SciShow
SciShow explores the unexpected. Seven days a week, Hank Green, Michael Aranda, and Olivia Gordon delve into the scientific subjects that defy our expectations and make us even more curious! Schedule: Sundays - Learn about the amazing topics we can't quite make a stand-alone show about in SciShow List Show! Mondays - Tune in for a short Dose about our weird world. Tuesdays - Find answers to our most asked Quick Questions. Wednesdays - Hank or Michael dives deep into a long-form Infusion episode, or an unscripted talk show or quiz show with a guest! Thursday - Another new dose about the wonders of the world. Fridays - Learn the latest in science News. Saturdays - Get your quick questions answered! Don't forget to check out our sister-channels SciShow Space, SciShow Psych, and SciShow Kids!

1151 videos
Why Nutrition Studies Keep Contradicting Each Other
22 hours ago En
It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why? Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.vox.com/2016/1/14/10760622/nutrition-science-complicated https://www.vox.com/2015/1/5/7482871/types-of-study-design http://fivethirtyeight.com/features/you-cant-trust-what-you-read-about-nutrition/ https://www.hsph.harvard.edu/nutritionsource/media-full-story/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2921609/#R46 https://academic.oup.com/advances/article/7/2/383/4558081 https://academic.oup.com/advances/article/7/1/44/4524046 https://www.ncbi.nlm.nih.gov/pubmed/23934737 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3065151/ https://www.washingtonpost.com/national/health-science/drinking-red-wine-is-good-for-you--or-maybe-not/2017/12/01/49f55e7a-cbd3-11e7-aa96-54417592cf72_story.html?utm_term=.aa32598b01df https://link.springer.com/article/10.1007%2Fs00018-014-1808-8 https://academic.oup.com/alcalc/article/48/3/270/244770 https://content.iospress.com/articles/clinical-hemorheology-and-microcirculation/ch1424 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4346286/ Image Sources: https://en.wikipedia.org/wiki/Resveratrol#/media/File:Resveratrol3d.png https://en.wikipedia.org/wiki/Beta-Carotene#/media/File:Beta-Carotene-3D-spacefill.png
Does Stretching Before Exercise Actually Help?
2 days ago En
It seems like a good idea to stretch before exercising, but does it actually prevent injuries, or improve your performance? Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.researchgate.net/profile/David_Behm/publication/229071265_Should_Static_Stretching_Be_Used_During_a_Warm-Up_for_Strength_and_Power_Activities/links/59da08ffa6fdcc2aad1297ad/Should-Static-Stretching-Be-Used-During-a-Warm-Up-for-Strength-and-Power-Activities.pdf https://link.springer.com/article/10.1007%2Fs40279-017-0682-6 https://www.ncbi.nlm.nih.gov/pubmed/10194214 https://www.ncbi.nlm.nih.gov/pubmed/12629458 https://www.ncbi.nlm.nih.gov/pubmed/16503682 https://www.tandfonline.com/doi/full/10.1080/15438620802310784?scroll=top&needAccess=true http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.525.2286&rep=rep1&type=pdf http://cel.webofknowledge.com/InboundService.do?customersID=atyponcel&smartRedirect=yes&mode=FullRecord&IsProductCode=Yes&product=CEL&Init=Yes&Func=Frame&action=retrieve&SrcApp=literatum&SrcAuth=atyponcel&SID=8AVhu8wykbZ8T8ug38c&UT=WOS%3A000079278200005 https://www.ncbi.nlm.nih.gov/pubmed/12834132 https://pdfs.semanticscholar.org/90d7/3acf883ce7bb568f1f2e7a1ed3d791a89620.pdf https://www.ncbi.nlm.nih.gov/pubmed/8947416 http://www.bmj.com/content/325/7362/468?linkType=FULL&resid=325/7362/468&journalCode=bmj https://www.ncbi.nlm.nih.gov/pubmed/12617692/ https://clinicalgate.com/flexibility-and-stretching/#f0015 http://web.mit.edu/tkd/stretch/stretching_2.html#SEC7 https://pdfs.semanticscholar.org/ef8a/e534e7bbffeed21db61165a6569ea2f3153f.pdf https://www.ncbi.nlm.nih.gov/pubmed/8775109 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4127040/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2756006/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4157925/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3666507/ ---------- Images: https://archive.org/details/Exercise1949 http://www.thinkstockphotos.com/image/stock-illustration-digital-illustration-of-neuromuscular/90113488 https://www.videoblocks.com/video/young-girl-doing-flexible-routine-zmerqjv https://commons.wikimedia.org/wiki/File:Jogging_Woman_in_Grass.jpg https://commons.wikimedia.org/wiki/File:Animation_triceps_biceps.gif https://commons.wikimedia.org/wiki/File:Smooth_muscle_tissue.jpg http://www.thinkstockphotos.com/image/stock-photo-young-woman-runner-warm-up-outdoor/477628210
Why Do Some Shots Make Your Arm Hurt So Much?
4 days ago En
From MMR boosters to tetanus, you'll probably get a lot of shots in your life. And one thing you might notice is that some of them don't feel like much, but some of them can make your arm reallllly sore! Why is that? Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.wsj.com/articles/why-do-some-vaccines-hurt-more-than-others-1473096166 http://www.cmaj.ca/content/182/18/E843.full https://www.popsci.com/why-does-my-arm-hurt-day-after-i-get-my-flu-shot#page-2 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1118997/ https://www.sciencedirect.com/science/article/pii/S0264410X14016673?via%3Dihub http://www.chicagotribune.com/brandpublishing/leahdurantlaw/ct-what-a-misplaced-needle-can-mean-for-you-20160914-htmlstory.html https://www.cdc.gov/vaccines/pubs/pinkbook/vac-admin.html https://www.cdc.gov/vaccines/hcp/acip-recs/general-recs/administration.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1570021/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769648/ http://www.cochrane.org/CD010720/SYMPT_needle-size-for-vaccination-procedures-in-children-and-adolescents http://www.tandfonline.com/doi/pdf/10.4161/hv.4.1.4747 https://www.sciencedirect.com/science/article/pii/S0952791517300869?via%3Dihub http://www.patientcareonline.com/vaccines/vaccine-adjuvants-little-pain-worth-gain/page/0/1 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4494348/ https://journals.lww.com/pidj/Fulltext/2015/02000/Pain_in_Adolescent_Girls_Receiving_Human.18.aspx https://academic.oup.com/jpids/article/4/4/396/2580461 https://www.cdc.gov/vaccinesafety/concerns/adjuvants.html
These 'Fossilized Brains' Might Not Be Brains At All
5 days ago En
A new study calls the claims of fossilized brains into question, and another finds ichthyosaurs might have been bigger than our current champions, the blue whales. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://rspb.royalsocietypublishing.org/lookup/doi/10.1098/rspb.2018.0051 https://www.nature.com/articles/ncomms4560 http://palaeo.gly.bris.ac.uk/Palaeofiles/Lagerstatten/chngjang/index.html http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0194742 https://www.eurekalert.org/emb_releases/2018-04/uom-ugi040518.php Images: https://commons.wikimedia.org/wiki/File:Fuxianhuia_protensa_life_restoration.jpg https://www.nature.com/articles/ncomms4560/figures/5 https://en.wikipedia.org/wiki/File:Maotianshan_shale_outcrop.JPG https://en.wikipedia.org/wiki/File:Haikouella_lanceolata_China.jpg https://en.wikipedia.org/wiki/File:Artemia_salina_4.jpg https://en.wikipedia.org/wiki/File:Ichthyosaur_and_Plesiosaur_1863.jpg https://en.wikipedia.org/wiki/File:Ichthyosaurios5.jpg https://www.eurekalert.org/multimedia/pub/167232.php https://commons.wikimedia.org/wiki/File:Anim1754_-_Flickr_-_NOAA_Photo_Library.jpg https://en.wikipedia.org/wiki/File:Stenopterygius_quadriscissus.jpg
The Hardest We've Ever Pushed Matter
6 days ago En
Scientists have had to come up with some extreme ways to generate the extreme pressures needed to simulate the conditions at the cores of planets! Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.britannica.com/science/high-pressure-phenomena https://serc.carleton.edu/NAGTWorkshops/mineralogy/mineral_physics/diamond_anvil.html https://www.youtube.com/watch?v=vO4kZfhpWBU https://www.youtube.com/watch?v=rZf6tZs5Fjk http://www.laserfocusworld.com/articles/2016/07/diamond-anvil-cell-achieves-record-1-terapascal-pressure.html http://www.pnas.org/content/104/22/9172 http://advances.sciencemag.org/content/2/7/e1600341.full https://www.nature.com/articles/511294a https://www.llnl.gov/news/nif-achieves-record-ramp-compression-pressures http://www.princeton.edu/geosciences/news/archive/index.xml?id=6667 https://www.nature.com/articles/nature13526 https://str.llnl.gov/June10/evans.html https://www.upi.com/Science_News/2018/02/06/Lab-experiment-yields-evidence-of-superionic-ice/5001517930145/ https://www.nature.com/articles/s41567-017-0017-4 https://pdfs.semanticscholar.org/667f/4d468b802f3c5ff07825c31ad62a15ea4439.pdf https://www.princeton.edu/~ota/disk1/1989/8909/890905.PDF https://carnegiescience.edu/news/just-what-sustains-earth%E2%80%99s-magnetic-field-anyway https://e-reports-ext.llnl.gov/pdf/344248.pdf http://iopscience.iop.org/article/10.1070/PU1994v037n11ABEH000055 https://books.google.com/books?id=Rg6dBAAAQBAJ&pg=RA1-PA158&lpg=RA1-PA158&dq=ramp+compression+wave&source=bl&ots=VI37QxS-9G&sig=Dxag79eMBvZKkW8JpCKIjkC-oDI&hl=en&sa=X&ved=0ahUKEwiiw92znrrZAhWmhOAKHdu6AYk4ChDoAQhEMAU#v=onepage&q=ramp%20compression%20wave&f=false Images: https://commons.wikimedia.org/wiki/File:Earth_poster.svg https://commons.wikimedia.org/wiki/File:Diamond_Anvil_Cell_-_Cross_Section.svg https://commons.wikimedia.org/wiki/File:Cfaser_haarrp.jpg https://commons.wikimedia.org/wiki/File:NIF_building_layout.png https://commons.wikimedia.org/wiki/File:Jupiter_interior.png https://commons.wikimedia.org/wiki/File:Preamplifier_at_the_National_Ignition_Facility.jpg https://commons.wikimedia.org/wiki/File:Neptune_storms.jpg https://commons.wikimedia.org/wiki/File:Diamond_anvil_cell.jpg
How Worried Should You Be About Smart Home Security?
1 week ago En
As we hurtle through the development of the digital world, it's important to keep in mind the security implications of the technology we use. Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ophtek.com/default-passwords-biggest-weakness-iot-security/ https://www.ic3.gov/media/2015/150910.aspx https://www.nbcnews.com/tech/internet/smart-refrigerators-hacked-send-out-spam-report-n11946 https://www.proofpoint.com/us/threat-insight/post/Your-Fridge-is-Full-of-SPAM https://www.wired.com/story/mirai-botnet-minecraft-scam-brought-down-the-internet/ http://www.latimes.com/business/autos/la-fi-hy-car-hacking-20150914-story.html https://www.itnews.com.au/news/hacked-terminals-capable-of-causing-pacemaker-mass-murder-319508 https://techcrunch.com/2015/10/24/why-iot-security-is-so-critical/ https://www.gartner.com/newsroom/id/2636073 Personal interview with Troy Hunt The report available from https://pages.arm.com/iot-security-manifesto.html https://csrc.nist.gov/CSRC/media/Publications/nistir/8200/draft/documents/nistir8200-draft.pdf https://www.usenix.org/system/files/conference/usenixsecurity17/sec17-antonakakis.pdf https://busybox.net/downloads/BusyBox.html Image Sources: https://commons.wikimedia.org/wiki/File:Mirai-botnet-linked-to-massive-ddos-attacks-on-dyn-dns-gif.gif https://commons.wikimedia.org/wiki/File:GOJI_Smart_Lock_(15207853585).jpg https://www.flickr.com/photos/robertwebbe/36334648072
Do You Have a Maximum Heart Rate?
1 week ago En
Does your heart rate have an upper limit and could you ever reach it? Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://courses.washington.edu/conj/heart/cardiacoutput.htm https://www.ncbi.nlm.nih.gov/books/NBK459238/ http://bjsm.bmj.com/content/39/4/190#ref-1 http://www.cvphysiology.com/Cardiac%20Function/CF002 https://www.ncbi.nlm.nih.gov/pubmed/10688280 https://www.ncbi.nlm.nih.gov/pubmed/22376273 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273956/ http://www.pathophys.org/physiology-of-cardiac-conduction-and-contractility/refractoryperiod/ https://link.springer.com/article/10.1007/s40279-015-0321-z https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025459/ http://hmphysiology.blogspot.com/2013/10/q-absolute-vs-refractory-period-of.html https://www.ncbi.nlm.nih.gov/pubmed/10993416 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1180211/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4896996/ http://circ.ahajournals.org/content/circulationaha/65/1/141.full.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2494835/ https://journals.lww.com/acsm-msse/Fulltext/2011/07000/Quantity_and_Quality_of_Exercise_for_Developing.26.aspx http://www.nytimes.com/2001/04/24/health/maximum-heart-rate-theory-is-challenged.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935487/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3922500/ https://www.jstage.jst.go.jp/article/jjphysiol1950/17/5/17_5_538/_pdf ---------- Images: http://www.thinkstockphotos.com/image/stock-photo-sporty-young-fitness-woman-running-at/938976080 http://www.thinkstockphotos.com/image/stock-illustration-anatomical-heart-isolated-muscular/625147262 https://commons.wikimedia.org/wiki/File:2026_Action_Potential_Heart_Contraction.jpg https://en.wikipedia.org/wiki/File:Cardiac-Cycle-Animated.gif http://www.thinkstockphotos.com/image/stock-illustration-heart-character-fitness/629320658
6 Accidental Discoveries You've Probably Never Heard Of
1 week ago En
From insects to infections, and polymers to pacemakers, scientists have discovered some very cool things entirely by accident, thanks to some careful observation and curiosity. Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.npr.org/2016/02/24/467805055/whoops-twelve-tales-of-accidental-brilliance-in-science http://discovermagazine.com/galleries/2015/jan-feb/accidental-discoveries https://www.britishscienceweek.org/app/uploads/2015/10/NSEW-Accidental-Discoveries-Primary-PackFULLOPT.pdf https://www.pbs.org/newshour/health/the-real-story-behind-the-worlds-first-antibiotic Wasps https://sites.lsa.umich.edu/tibbetts-lab/wp-content/uploads/sites/40/2014/03/tibbetts_and_dale_2004.pdf https://www.npr.org/2016/03/01/468673964/golden-mole-award-winner-to-be-announced http://www.cell.com/current-biology/pdf/S0960-9822(12)00065-6.pdf https://sites.lsa.umich.edu/tibbetts-lab/wp-content/uploads/sites/40/2014/03/tibbettsir2002.pdf https://www.nature.com/scientificamerican/journal/v309/n6/full/scientificamerican1213-62.html Strep http://www.pnas.org/content/101/40/14491.short https://www.cedars-sinai.edu/Research/Research-Labs/Liu-Lab/ https://www.researchgate.net/publication/8332747_Sword_and_shield_Linked_group_B_streptococcal_-hemolysincytolysin_and_carotenoid_pigment_function_to_subvert_host_phagocyte_defense https://www.sciencedaily.com/releases/2004/09/040921084106.htm http://nizetlab.ucsd.edu/Publications/SourcebookChapter.pdf Parasitic aphrodisiac https://academic.oup.com/icb/article/54/2/159/638703 https://www.npr.org/sections/health-shots/2014/05/01/300999096/contagious-aphrodisiac-virus-makes-crickets-have-more-sex http://www.adamolab.ca/research.html http://jeb.biologists.org/content/early/2014/03/04/jeb.103408 CRISPR https://labblog.uofmhealth.org/lab-report/new-crispr-cas9-tool-edits-both-rna-and-dna-precisely https://phys.org/news/2018-03-crispr-cas9-rna.html https://elifesciences.org/articles/32724 http://www.cell.com/molecular-cell/fulltext/S1097-2765(18)30054-6 https://medicine.umich.edu/dept/biochem/yan-zhang-phd https://www.sciencedaily.com/releases/2018/03/180315122940.htm Pacemaker http://www.nytimes.com/2011/09/28/business/wilson-greatbatch-pacemaker-inventor-dies-at-92.html http://www.independent.co.uk/news/obituaries/wilson-greatbatch-inventor-of-the-implantable-cardiac-pacemaker-2363206.html https://gizmodo.com/5844558/wilson-greatbatch-the-man-who-accidentally-invented-the-pacemaker-has-died https://lemelson.mit.edu/winners/wilson-greatbatch Polymer http://science.sciencemag.org/content/344/6185/732 https://www.scientificamerican.com/article/new-class-of-polymers-discovered-by-accident/ https://www.technologyreview.com/lists/innovators-under-35/2015/pioneer/jeannette-garcia/ https://theconversation.com/recycling-the-unrecyclable-a-new-class-of-thermoset-plastics-26594 http://www.techtimes.com/articles/7108/20140517/eureka-moment-ibms-error-at-lab-leads-to-discovery-of-new-polymer-materials.htm https://www.popularmechanics.com/technology/gadgets/a12954/one-of-the-most-important-materials-in-tech-is-now-recyclable-16795168/ Images: https://en.wikipedia.org/wiki/File:Synthetic_Production_of_Penicillin_TR1468.jpg https://commons.wikimedia.org/wiki/File:Bundesarchiv_Bild_183-23912-0002,_K%C3%B6nigs_Wusterhausen,_%22M%C3%A4rkische_Apotheke%22,_Schaufenster.jpg https://commons.wikimedia.org/wiki/File:%C5%9Awierszcz_domowy.jpg https://commons.wikimedia.org/wiki/File:African.field.cricket.arp.jpg https://en.wikipedia.org/wiki/File:Streptococcus_agalactiae.tif https://commons.wikimedia.org/wiki/File:Aligned_peperonis.JPG https://commons.wikimedia.org/wiki/File:Northern_Paper_Wasp_-_Polistes_fuscatus,_Meadowood_Farm_SRMA,_Mason_Neck,_Virginia.jpg https://commons.wikimedia.org/wiki/File:Brown_Paper_Wasp-27527-4.jpg https://commons.wikimedia.org/wiki/File:COlmeia_SD.jpg https://en.wikipedia.org/wiki/File:Neisseria_meningitidis_Colonies_growth_on_New_York_City_Medium_Agar.jpg https://commons.wikimedia.org/wiki/File:Crispr.png https://en.wikipedia.org/wiki/File:St_Jude_Medical_pacemaker_with_ruler.jpg https://en.wikipedia.org/wiki/File:Duelchamber.JPG https://en.wikipedia.org/wiki/File:Herzschrittmacher_auf_Roentgenbild.jpg
Can You Keep Donating and Regrowing Your Liver?
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Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that really the case? Special Thanks: Dr. George Michalopoulos, University of Pittsburgh School of Medicine and Medical Center Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Dr. George Michalopoulos, personal communication http://science.sciencemag.org/content/276/5309/60 https://www.mayoclinic.org/diseases-conditions/toxic-hepatitis/symptoms-causes/syc-20352202 https://link.springer.com/article/10.1007/BF02889179 http://onlinelibrary.wiley.com/doi/10.1002/hep.20969/full http://onlinelibrary.wiley.com/doi/10.1002/hep.20214/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701258/ http://onlinelibrary.wiley.com/doi/10.1111/j.1432-2277.2005.00158.x/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3976740/
Lemurs Are Into Networking, Too!
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The first 77 viewers to sign up at https://brilliant.org/scishow will get 20% off their annual premium subscription AND support SciShow. New research says that even lemurs benefit from networking skills and some frogs are finally bouncing back from the Chytrid epidemic. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.cell.com/current-biology/fulltext/S0960-9822 http://science.sciencemag.org/content/359/6383/1517 https://amphibiaweb.org/chytrid/chytridiomycosis.html ---------- Images: https://commons.wikimedia.org/wiki/File:Ringtailed_lemurs.jpg http://www.thinkstockphotos.com/image/stock-photo-baby-lemur-with-family/518460792 https://en.wikipedia.org/wiki/File:Lemur_catta_003.jpg https://commons.wikimedia.org/wiki/File:Chytridiomycosis2.jpg http://www.thinkstockphotos.com/image/stock-photo-view-at-panama-city/597658018 https://commons.wikimedia.org/wiki/File:Atelopus_varius_1.jpg https://www.flickr.com/photos/briangratwicke/38249141464/ https://www.flickr.com/photos/briangratwicke/39129578104/ http://www.thinkstockphotos.com/image/stock-illustration-mathematical-vector-seamless-pattern/908884386 http://www.thinkstockphotos.com/image/stock-illustration-set-of-gear-icon/895674904 https://freesound.org/people/straget/sounds/405423/
Do Spicy Food Lovers Live Longer?
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Spicy food is delicious, but how does it affect our health? Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0070583 https://academic.oup.com/bioscience/article/49/6/453/229475 http://www.ckbiobank.org/site/ https://www.cdc.gov/nchs/nhanes/index.htm Mortality studies: http://www.bmj.com/content/351/bmj.h3942 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0169876 Anti-cancer: http://ar.iiarjournals.org/content/36/3/837.long http://cancerres.aacrjournals.org/content/71/8/2809 https://pubs.acs.org/doi/ipdf/10.1021/jf506098s https://www.ncbi.nlm.nih.gov/pubmed/24337453 Diabetes/obesity: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2890380/ https://www.ncbi.nlm.nih.gov/pubmed/24941669 https://www.ncbi.nlm.nih.gov/pubmed/27174467 Salt/hypertension: https://www.reuters.com/article/us-health-diet-sodium-spice/can-spicy-foods-curb-salt-cravings-or-lower-blood-pressure-idUSKBN1D02Z8 http://hyper.ahajournals.org/content/early/2017/10/30/HYPERTENSIONAHA.117.09950 Bacteria: https://www.ncbi.nlm.nih.gov/pubmed/22427935 https://www.ncbi.nlm.nih.gov/pubmed/26617603 Images: https://commons.wikimedia.org/wiki/File:Capsaicin-3D-vdW.png
Why Is It So Hard to Fix Traffic?
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Fixing traffic seems easy—just add more roads, right? Turns out that this is a problem studied by physicists and psychologists alike, with no easy answers. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.physics.upenn.edu/liugroup/jamming.html https://journals.aps.org/pre/abstract/10.1103/PhysRevE.48.3290 https://www.theatlantic.com/magazine/archive/2000/12/the-physics-of-gridlock/378457/ http://jliszka.github.io/2013/10/01/how-traffic-actually-works.html https://www.researchgate.net/publication/243567449_Shock_Wave_Relation_Containing_Lane_Change_Source_Term_for_Two-Lane_Traffic_Flow https://books.google.com/books?id=dHW1BQAAQBAJ&pg=PA509&lpg=PA509#v=onepage&q&f=false https://link.springer.com/chapter/10.1007/978-3-540-77074-9_41 http://homepage.ruhr-uni-bochum.de/Dietrich.Braess/Paradox-BNW.pdf https://www.forbes.com/sites/quora/2016/10/20/bad-traffic-blame-braess-paradox/ https://papers.ssrn.com/sol3/papers.cfm?abstract_id=783424 http://www.vtpi.org/gentraf.pdf https://www.theguardian.com/environment/2006/nov/01/society.travelsenvironmentalimpact https://grist.org/infrastructure/2011-04-04-seoul-korea-tears-down-an-urban-highway-life-goes-on/ http://legacy.wbur.org/2012/07/12/big-dig-effect https://www.youtube.com/watch?v=iHzzSao6ypE https://pdfs.semanticscholar.org/a59b/0aa97491aed923a38742142fc6492e51b080.pdf https://www.ncbi.nlm.nih.gov/pubmed/7375327 https://www.wsj.com/articles/one-driver-can-prevent-a-traffic-jam-1476204858 https://vtechworks.lib.vt.edu/bitstream/handle/10919/55073/811079.pdf?sequence=1 http://iopscience.iop.org/article/10.1088/1367-2630/aa95f0 https://www.quora.com/At-a-red-light-why-do-some-drivers-leave-a-huge-gap-between-themselves-and-the-car-in-front-of-them https://www.sciencedaily.com/releases/2016/09/160913125211.htm http://www.telegraph.co.uk/news/science/science-news/8011029/Aggressive-and-timid-drivers-cause-traffic-jams-scientists-discover.html https://link.springer.com/chapter/10.1007%2F978-3-642-24660-9_25 https://www.nytimes.com/2016/10/13/us/why-last-second-lane-mergers-are-good-for-traffic.html Media: https://commons.wikimedia.org/wiki/File:Miami_traffic_jam,_I-95_North_rush_hour.jpg https://commons.wikimedia.org/wiki/File:Seoul-Restoration_site_02.jpg https://commons.wikimedia.org/wiki/File:San_Francisco-Embarcadero_Freeway_demolition.jpg https://commons.wikimedia.org/wiki/File:San_Francisco_(5765603478).jpg https://commons.wikimedia.org/wiki/File:Cheonggyecheon.jpg https://commons.wikimedia.org/wiki/File:Jazda_na_suwak_ulica_Starzy%C5%84skiego_wjazd_na_Most_Gda%C5%84ski_w_Warszawie.JPG
Is There Less Oxygen in the Winter Since It's Colder?
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Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter? Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:
Solving the Mystery of Darwin’s Lifelong Illness
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Charles Darwin had a great mind, but a not-so great body. Scientists have spent years trying to uncover the mysteries of his poor health. Written by: Jill Teige Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Jerry Perez, Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.britannica.com/biography/Charles-Darwin https://www.cdc.gov/parasites/chagas/gen_info/detailed.html http://www.who.int/mediacentre/factsheets/fs340/en/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2166138/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1326207/ https://malvernmuseum.co.uk/water-cure/ https://www.darwinproject.ac.uk/letter/DCP-LETT-1236.xml https://www.britannica.com/science/mitochondrion http://www.bmj.com/content/339/bmj.b4968.full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3632469/ https://rarediseases.info.nih.gov/diseases/7048/mitochondrial-genetic-disorders https://www.umdf.org/what-is-mitochondrial-disease/ https://rarediseases.org/rare-diseases/melas-syndrome/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4737121/#!po=3.12500 http://www.mayo.edu/research/centers-programs/mitochondrial-disease-biobank/about http://pmj.bmj.com/content/81/954/248 https://www.ncbi.nlm.nih.gov/pubmed/15038596 http://rsnr.royalsocietypublishing.org/content/61/1/23 http://rsnr.royalsocietypublishing.org/content/62/2/205
6 Animal Noses That Outsniff Dogs
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Dogs are humanity’s go-to friend when it comes to super sniffers, but here are 6 other creatures that give puppers a run for their money. Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nytimes.com/2018/01/11/arts/dog-training-museum.html https://www.cwp.org/working-with-dogs-to-sniff-out-sewage-leaks/ http://www.pbs.org/wgbh/nova/nature/dogs-sense-of-smell.html http://www.nytimes.com/1982/03/24/garden/truffles-why-pigs-can-sniff-them-out.html https://link.springer.com/article/10.1007/BF01989905 https://modernfarmer.com/2013/08/truffle-smelling-dogs/ https://www.britannica.com/science/truffle-fungus http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2010.03523.x/full https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-13-584 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0075411 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC329419/ http://www.pnas.org/content/97/6/2870.full https://theconversation.com/its-a-myth-that-humans-sense-of-smell-is-inferior-to-that-of-other-animals-heres-why-77519 https://www.healthline.com/health/animals-that-detect-disease#2 http://www.cell.com/cell-reports/fulltext/S2211-1247(16)30801-4 https://news.nationalgeographic.com/2015/10/151006-giant-rats-landmines-cambodia-science-animals/ https://blogs.scientificamerican.com/running-ponies/giant-african-rats-detect-land-mines-and-tb-for-a-living/ http://www.krugerpark.co.za/africa_african_giant_rat.html https://www.apopo.org/en/herorats/faqs#bs-href-0 https://link.springer.com/article/10.1007%2FBF03391761 https://www.seeker.com/why-cats-could-make-skilled-search-and-rescue-animals-2277969871.html https://www.sciencedirect.com/science/article/pii/S0168159116303501 https://www.smithsonianmag.com/innovation/can-bees-be-trained-to-sniff-out-cancer-180948269/ https://www.theguardian.com/science/2013/nov/12/honey-bees-trained-detect-cancer https://news.illinois.edu/view/6367/206824 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1626641/ http://www.nytimes.com/2011/02/20/business/20proto.html http://forensicentomology.tamu.edu/wp-content/uploads/sites/63/2016/11/Final_draft_Grains_et_al2008.pdf https://abcnews.go.com/Technology/story?id=1315335 ---------- Images: https://commons.wikimedia.org/wiki/File:Cochon_truffier.JPG https://commons.wikimedia.org/wiki/File:CrycetomysGambianus_Apsilia.JPG https://commons.wikimedia.org/wiki/File:US_Soldiers_removing_landmines.jpg https://commons.wikimedia.org/wiki/File:Truffles_white_Croatia.jpg https://commons.wikimedia.org/wiki/File:Tomato_Hornworm_Parasitized_by_Braconid_Wasp.jpg https://commons.wikimedia.org/wiki/File:Blood_test.jpg https://commons.wikimedia.org/wiki/File:Colorized_transmission_electron_micrograph_of_Avian_influenza_A_H5N1_viruses.jpg https://commons.wikimedia.org/wiki/File:Honey_Bee_(21604806832).jpg https://commons.wikimedia.org/wiki/File:Food_Reward.JPG
Why Do You Get Hangry?
2 weeks ago En
Hanger is the grumpiness you feel when you are hungry. We've all been there, but what's the science behind it? Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.pnas.org/content/111/17/6254 https://www.eurekalert.org/emb_releases/2018-01/uoe-gim012218.php https://www.ncbi.nlm.nih.gov/pubmed/21064166 https://search.proquest.com/openview/a6ee662b30e2cc5257952e157ca4a98f/1?pq-origsite=gscholar&cbl=18750&diss=y https://www.sciencedirect.com/science/article/pii/S0376635702000827 https://www.sciencedirect.com/science/article/pii/B9780123743879000015 https://link.springer.com/chapter/10.1007/978-1-4613-4467-4_6 https://theconversation.com/health-check-the-science-of-hangry-or-why-some-people-get-grumpy-when-theyre-hungry-37229 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC515123/ Images: https://commons.wikimedia.org/wiki/File:MRI_anterior_cingulate.png https://commons.wikimedia.org/wiki/File:MRI_Location_Amygdala_up.png https://commons.wikimedia.org/wiki/File:Panthera_tigris_-Franklin_Park_Zoo,_Massachusetts,_USA-8a_(1).jpg https://commons.wikimedia.org/wiki/File:Neuropeptide_Y.png
Why Is It So Hard to Make a Male Birth Control Pill?
2 weeks ago En
A safe, reversible option for male birth control has eluded scientists for decades, but a new pill is showing a lot of promise! Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.endocrine.org/news-room/2018/dimethandrolone-undecanoate-shows-promise-as-a-male-birth-control-pill http://www.abstractsonline.com/pp8/#!/4482/presentation/6619 https://www.cnn.com/2018/03/20/health/male-birth-control-pill-study/index.html https://clinicaltrials.gov/ct2/show/NCT03455075?term=Dimethandrolone+undecanoate,+contraceptive&rank=2 https://www.plannedparenthood.org/learn/birth-control/withdrawal-pull-out-method/how-effective-is-withdrawal-method-pulling-out https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5352517/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4762912/ http://www2.oakland.edu/biology/lindemann/spermfacts.htm https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3271653/ https://www.cdc.gov/nchs/fastats/contraceptive.htm http://goaskalice.columbia.edu/answered-questions/how-do-birth-control-pills-work https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897047/#ref53 Image Sources: https://commons.wikimedia.org/wiki/File:Testosteron.svg https://commons.wikimedia.org/wiki/File:Dimethandrolone_undecanoate.svg
3 (Actually Safe) Ways to Fight Climate Change
2 weeks ago En
Climate change is happening we all need to get serious about limiting our carbon dioxide emissions! At the same time, scientists are looking for plan B because we might need it. Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://royalsociety.org/~/media/Royal_Society_Content/policy/publications/2009/8693.pdf https://www.scientificamerican.com/article/geoengineering-and-climate-change/ http://www.ce-conference.org/what-climate-engineering http://e360.yale.edu/features/how_third_way_technologies_can_help_win_the_climate_fight https://www.theguardian.com/books/2015/nov/20/climate-crisis-future-brighter-tim-flannery https://www.researchgate.net/publication/259892834_Negative_Carbon_Via_Ocean_Afforestation https://qz.com/534553/seaweed-could-save-the-worlds-oceans-from-becoming-too-acidic/ http://www.climatecentral.org/news/we-just-breached-the-410-parts-per-million-threshold-21372 https://www.nationalgeographic.com/environment/oceans/critical-issues-ocean-acidification/ https://www.pmel.noaa.gov/co2/story/What+is+Ocean+Acidification%3F http://e360.yale.edu/features/pulling_co2_from_the_air_promising_idea_big_price_tag https://www.theguardian.com/sustainable-business/2015/jul/14/carbon-direct-air-capture-startups-tech-climate https://www.pri.org/stories/2015-08-30/artificial-tree-part-solution-climate-change-these-guys-think-so https://www.theguardian.com/environment/2016/jan/12/artificial-trees-fight-climate-change https://cnce.engineering.asu.edu/ http://www.sciencemag.org/news/2017/06/switzerland-giant-new-machine-sucking-carbon-directly-air https://qz.com/1100221/the-worlds-first-negative-emissions-plant-has-opened-in-iceland-turning-carbon-dioxide-into-stone/ https://journals.ametsoc.org/doi/pdf/10.1175/JAMC-D-16-0135.1 http://earthtechling.com/2015/11/could-we-sequester-co2-in-antarctic-ice/ http://www.gi.alaska.edu/alaska-science-forum/cool-idea-locking-carbon-dioxide https://journals.ametsoc.org/doi/full/10.1175/JAMC-D-12-0110.1 https://judithcurry.com/2012/08/24/a-modest-proposal-for-sequestration-of-co2-in-the-antarctic/ ---------- Images: https://www.nasa.gov/content/earths-horizon-and-clouds-over-the-south-pacific-ocean https://www.flickr.com/photos/noaaphotolib/5123553062/in/photostream/ https://en.wikipedia.org/wiki/Seaweed#/media/File:WomenWorking_SeaweedZanzibar_3.jpg https://www.flickr.com/photos/noaaphotolib/5077882249/in/album-72157625320966201/ http://www.thinkstockphotos.com/image/stock-photo-christmas-fir-tree/498027148 https://commons.wikimedia.org/wiki/File:Hirtstein2.jpg https://en.wikipedia.org/wiki/File:AntarcticaDomeCSnow.jpg https://www.flickr.com/photos/noaaphotolib/5277912058/in/album-72157624899643697/
Why Do Some Drugs Make Your Pupils Wider?
3 weeks ago En
How do your pupils work and why do some substances make them dilate? Written by: Jill Teige Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072432/ http://bjo.bmj.com/content/bjophthalmol/53/6/428.full.pdf http://eyewiki.aao.org/Pharmacologic_dilation_of_pupil https://www.scientificamerican.com/article/eye-opener-why-do-pupils-dialate/ https://www.scientificamerican.com/article/experts-chemical-pupil-dilate/ https://www.healthline.com/health/anticholinergics#drug-list http://www.pamf.org/asthma/medications/inhaled/atrovent.html https://www.healthline.com/health/mydriasis https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025459/ http://scienceline.ucsb.edu/getkey.php?key=3036 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1629580/ https://books.google.com/books?id=mDLYCQAAQBAJ&pg=PA600&lpg=PA600&dq=dopamine+mydriasis&source=bl&ots=RVZQQjWvpw&sig=1fl4afkHFU3EZ3H7Wtv8HxflEz8&hl=en&sa=X&ved=0ahUKEwjCi8Wbj7HZAhWBKWMKHUoFBjYQ6AEIYDAH#v=onepage&q=dopamine%20mydriasis&f=false https://io9.gizmodo.com/5966571/why-do-your-pupils-get-larger-when-youre-on-drugs http://www.jefferson.edu/university/jmc/departments/neurosurgery/research/basic_research/coceffect.html ------------ Images: http://www.thinkstockphotos.com/image/stock-illustration-human-eye-anatomy-vector-illustration/848075772 https://commons.wikimedia.org/wiki/File:Iris_close-up.jpg https://commons.wikimedia.org/wiki/File:Eye_dilate.gif https://www.flickr.com/photos/medicalmuseum/3299290165/
8 Medications with Surprising Secondary Uses
3 weeks ago En
Sometimes medications that were developed to treat one condition can end up being useful for seemingly unrelated ailments. Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Dextromethorphan https://www.ncbi.nlm.nih.gov/pubmed/19137121 https://www.ncbi.nlm.nih.gov/pubmed/21476614 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3849173/ Memantine http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0123289 https://www.nimh.nih.gov/health/topics/obsessive-compulsive-disorder-ocd/index.shtml https://www.ncbi.nlm.nih.gov/pubmed/23525525 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4540409/ https://www.ncbi.nlm.nih.gov/pubmed/24406251 Naltrexone https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2851054/ https://www.samhsa.gov/medication-assisted-treatment/treatment/naltrexone https://www.samhsa.gov/sites/default/files/programs_campaigns/medication_assisted/efficacy-naltrexone-treatment-alcohol-dependence.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2666924/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3164585/ https://www.ncbi.nlm.nih.gov/pubmed/28877518 https://academic.oup.com/alcalc/article/48/4/402/533312 Sildenafil https://www.mayoclinic.org/diseases-conditions/pulmonary-hypertension/symptoms-causes/syc-20350697 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1994020/ http://www.phauk.org/treatment-for-pulmonary-hypertension/phosphodiesterase-5-inhibitors/ Spironolactone http://www.internationaljournalofcardiology.com/article/S0167-5273(15)01190-0/fulltext https://www.ncbi.nlm.nih.gov/pubmed/10760075 http://www.academia.edu/13992257/Vanders_Human_Physiology_-_The_Mechanisms_of_Body_Function https://academic.oup.com/endo/article-abstract/97/1/52/2619110?redirectedFrom=fulltext https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3315877/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1994020/ Propranolol https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/in-depth/beta-blockers/art-20044522 http://www.heart.org/HEARTORG/Conditions/HeartAttack/DiagnosingaHeartAttack/Angina-Pectoris-Stable-Angina_UCM_437515_Article.jsp#.Wn-zBJMbO-o https://www.ncbi.nlm.nih.gov/pubmed/26487439 https://www.sciencedirect.com/science/article/pii/027858469290004X?via%3Dihub Minoxidil http://onlinelibrary.wiley.com/doi/10.1111/j.1524-6175.2004.03585.x/full https://www.ncbi.nlm.nih.gov/pubmed/14996087 https://www.hshairclinic.co.uk/hair-loss/all-about-hair/hair-cycle/ https://www.karger.com/Article/Pdf/248894 Bimatoprost https://www.aao.org/eye-health/diseases/what-is-glaucoma https://www.latisse.com/AboutLatisse.aspx https://www.ncbi.nlm.nih.gov/pubmed/20384750 https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/021275s022lbl.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769924/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2861943/ ---------- Images: http://www.thinkstockphotos.com/image/stock-photo-bottles-of-pills-in-cabinet-close-up/103583051 https://en.wikipedia.org/wiki/File:Dextrometorfano.jpg http://www.thinkstockphotos.com/image/stock-illustration-body-organs/510154886 http://www.thinkstockphotos.com/image/stock-illustration-brain-polygon/666908262 https://commons.wikimedia.org/wiki/File:Pachinko_parlor_dsc04790.jpg http://www.thinkstockphotos.com/image/stock-photo-opioid-epidemic-and-drug-abuse-concept/829000374 https://commons.wikimedia.org/wiki/File:Pulmonary_hypertensive_arteriopathy_(4348170715).jpg http://www.thinkstockphotos.com/image/stock-illustration-acne-vulgaris-or-pimple-healthy-hair/875814728 https://commons.wikimedia.org/wiki/File:Propranolol_tablets.png http://www.thinkstockphotos.com/image/stock-illustration-man-scratching-his-head-and-hair/840062408 http://www.thinkstockphotos.com/image/stock-photo-closeup-young-man-serious-hair-loss-problem/596370890 https://en.wikipedia.org/wiki/File:Hair-follicle_cycling.ogv http://www.thinkstockphotos.com/image/stock-photo-cosmetics-on-male-eye/56293595 http://www.thinkstockphotos.com/image/stock-illustration-glaucoma/490313946 http://www.thinkstockphotos.com/image/stock-illustration-hand-drawn-woman-s-sexy-luxurious-eye/873336344
Meet the World’s Most Terrifying Caterpillar
3 weeks ago En
When you think of a caterpillar, you probably picture a cute, chubby little critter, chewing on leaves and dreaming of becoming a butterfly. But the whip-fast, razor clawed Hawaiian inchworm is here to challenge those stereotypes. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://link.springer.com/article/10.1007/BF00218529 http://hawaiianforest.com/wp/hawaiian-carnivorous-caterpillar-eupithecia/ https://link.springer.com/article/10.1134/S0013873814010114 http://science.sciencemag.org/content/309/5734/575 http://onlinelibrary.wiley.com/doi/10.1111/evo.12599/abstract
Pain-Killing Hunger and Superpowered Diabetic Fish
3 weeks ago En
Check out Rene Ritchie's channel Vector: https://www.youtube.com/watch?v=UsDIHVWSUtg Animals that eat things are at the forefront of this week’s news, from mice with pain-killing hunger to fish with signs of diabetes. Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.cell.com/cell/fulltext/S0092-8674(18)30234-4 http://web.sas.upenn.edu/betley-lab/ http://nature.com/articles/doi:10.1038/nature26136 https://ghr.nlm.nih.gov/condition/rabson-mendenhall-syndrome https://rarediseases.info.nih.gov/diseases/226/rabson-mendenhall-syndrome https://www.neb.com/faqs/2015/04/10/what-is-the-difference-between-glycosylation-and-glycation https://www.stowers.org/faculty/rohner-lab http://research.stowers.org/rohnerlab/ https://www.news-medical.net/news/20160713/Changes-in-cavefishc2a0metabolism-could-lead-to-new-insights-into-diabetes.aspx
How to Survive a Nuclear Attack
3 weeks ago En
If you want to be prepared for a nuclear attack, here’s a science-based guide to help you get there. Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ready.gov/nuclear-blast https://www.dhs.gov/xlibrary/assets/prep_nuclear_fact_sheet.pdf https://www.epa.gov/radiation/protecting-yourself-radiation https://emergency.cdc.gov/radiation/ https://www.fema.gov/media-library-data/20130726-1821-25045-3023/planning_guidance_for_response_to_a_nuclear_detonation___2nd_edition_final.pdf http://rspa.royalsocietypublishing.org/content/470/2163/20130693 https://emergency.cdc.gov/radiation/getinside.asp http://www.iflscience.com/health-and-medicine/chinese-state-media-release-a-guide-in-case-of-nuclear-attack/all/ https://plannownyc.cityofnewyork.us/types-of-terrorist-attacks/ https://fas.org/irp/agency/dhs/fema/ncr.pdf https://tonic.vice.com/en_us/article/nz8jpg/how-to-survive-the-first-hour-of-a-nuclear-attack https://www.npr.org/sections/health-shots/2017/08/15/543647878/in-the-event-of-a-nuclear-blast-don-t-condition-your-hair https://www.racked.com/2017/8/10/16114814/post-nuclear-decontamination-shower-no-conditioner https://emergency.cdc.gov/radiation/arsphysicianfactsheet.asp https://www.ncbi.nlm.nih.gov/books/NBK219165/ https://sites.psu.edu/siowfa15/2015/09/18/how-does-hair-conditioner-work/ https://books.google.com/books?id=6xPNBQAAQBAJ&lpg=PA240&ots=bMz9Y_yscI&dq=50%25%20blast%2C%2035%25%20thermal&pg=PA240#v=onepage&q&f=false Images: https://commons.wikimedia.org/w/index.php?title=File%3AOperation_Upshot_test.ogv https://en.wikipedia.org/wiki/File:Operation_Crossroads_Baker_Edit.jpg https://commons.wikimedia.org/wiki/File:Blast-wave.png http://www.thinkstockphotos.com/image/stock-photo-burning-armchair/526073941 https://en.wikipedia.org/wiki/File:Trinity_explosion_film_strip.jpg http://www.thinkstockphotos.com/image/stock-photo-african-american-man-showering/82981558 https://en.wikipedia.org/wiki/File:Chelyabinsk_meteor_event_consequences_in_Drama_Theatre.jpg http://www.thinkstockphotos.com/image/stock-photo-bomb-shelter/618362552 http://www.thinkstockphotos.com/image/stock-photo-blurred-defocused-background-of-old-garage/814041856
The Truth About the Five Stages of Grief
4 weeks ago En
The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief. Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pubmed/20499613 http://journals.sagepub.com/doi/full/10.1177/0030222817691870 https://www.psychology.org.au/publications/inpsych/2011/december/hall/ https://www.scientificamerican.com/article/five-fallacies-of-grief/ https://www.ncbi.nlm.nih.gov/pubmed/10848151 https://www.ncbi.nlm.nih.gov/pubmed/12416919 https://grief.com/the-five-stages-of-grief/ https://www.psycom.net/depression.central.grief.html https://www.nhpco.org/history-hospice-care http://www.hindshospice.org/history-of-hospice.html http://content.time.com/time/magazine/article/0,9171,2042372-1,00.html http://www.nytimes.com/2004/08/26/us/elisabeth-kubler-ross-78-dies-psychiatrist-revolutionized-care-terminally-ill.html https://www.psychologytoday.com/blog/supersurvivors/201707/why-the-five-stages-grief-are-wrong http://therapychanges.com/wp-content/uploads/2013/07/GriefDepressionDSM5.pdf https://www.psychologytoday.com/blog/good-mourning/201701/complicated-grief-is-complicated https://www.ncbi.nlm.nih.gov/pubmed/18729566 https://ideas.ted.com/11-fascinating-funeral-traditions-from-around-the-globe/ http://theconversation.com/what-ancient-cultures-teach-us-about-grief-mourning-and-continuity-of-life-86199 https://www.counseling.org/docs/default-source/vistas/Metatheory_of_Grief.pdf?sfvrsn=6 https://jamanetwork.com/journals/jama/fullarticle/205661 https://www.researchgate.net/publication/45658453_An_Examination_of_Stage_Theory_of_Grief_among_Individuals_Bereaved_by_Natural_and_Violent_Causes_A_Meaning-Oriented_Contribution
Will Stress Really Make You Go Gray?
4 weeks ago En
Just like the myth that plucking one gray hair will make three sprout, stress making your hair white isn't actually a thing. Or is it?! Hosted by: Olivia Gordon Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.scientificamerican.com/article/why-does-hair-turn-gray/# https://www.health.harvard.edu/blog/hair-turn-gray-2017091812226 https://www.ncbi.nlm.nih.gov/pubmed/21466661 https://www.ncbi.nlm.nih.gov/pubmed/11162910/ https://www.scientificamerican.com/article/fact-or-fiction-stress-causes-gray-hair/ http://www.aocd.org/?page=TelogenEffluviumHA https://www.researchgate.net/profile/Christiane_Liezmann/publication/7060213_Towards_a_free_radical_theory_of_graying_melanocyte_apoptosis_in_the_aging_human_hair_follicle_is_an_indicator_of_oxidative_stress_induced_tissue_damage/links/00b49525797be5bdf3000000.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3614697/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3673399/
What Happens If You Use Your Feces as Fertilizer?
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Being able to use human feces as fertilizer could be really helpful for human colonies on other planets. It could also be useful for human colonies on THIS planet! And who doesn’t love recycling!? Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://aem.asm.org/content/68/5/2605.full https://motherboard.vice.com/en_us/article/8q8xnk/turns-out-that-using-human-poop-to-fertilize-crops-might-not-be-such-a-great-ide https://www.npr.org/sections/thesalt/2013/05/07/182010827/is-it-safe-to-use-compost-made-from-treated-human-waste https://modernfarmer.com/2015/10/can-you-grow-plants-on-mars/ https://modernfarmer.com/2014/07/stink-human-poop-fertilizer/ https://video.nationalgeographic.com/video/best-job-ever/160818-sciex-bje-poop-into-soil-sasha-kramer-txtd-stereo-dotcom https://www.usaid.gov/div/portfolio/s2sanergy https://topics.blogs.nytimes.com/2009/05/08/manure-safe-or-not/ https://www.sciencedirect.com/science/article/pii/S0301479717303808 https://pubs.er.usgs.gov/publication/70192093 https://pubs.er.usgs.gov/publication/sir20145240 https://pubs.er.usgs.gov/publication/70126464 http://water.epa.gov/scitech/wastetech/biosolids/tnsss-overview.cfm#results https://www.sciencedirect.com/science/article/pii/S0048969712009308 http://bayareabiosolids.com/about_us http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S1909-36672016000200008 https://www.epa.gov/sites/production/files/2015-05/documents/a_plain_english_guide_to_the_epa_part_503_biosolids_rule.pdf Images: https://commons.wikimedia.org/wiki/File:Biosolid.pumpkin.row.jpg https://commons.wikimedia.org/wiki/File:CSIRO_ScienceImage_4522_Testing_for_pathogens_in_agricultural_soil_containing_biosolids.jpg https://commons.wikimedia.org/wiki/File:Compost_site_germany.JPG https://commons.wikimedia.org/wiki/File:Composting_in_the_Escuela_Barreales.jpg https://commons.wikimedia.org/wiki/File:Spontaneous_combustion_of_compost_pile.jpg https://commons.wikimedia.org/wiki/File:MRF_Composter03.jpg https://commons.wikimedia.org/wiki/File:Sludge.jpg
7 Organisms That Can Clean Toxic Waste
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Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://discovermagazine.com/2013/julyaug/13-mushrooms-clean-up-oil-spills-nuclear-meltdowns-and-human-health https://motherboard.vice.com/en_us/article/jp5k9x/the-plan-to-mop-up-the-worlds-largest-oil-spill-with-fungus https://www.livescience.com/20573-fungal-cleanup-newtown-creek.html https://blog.nationalgeographic.org/2013/06/28/the-power-of-mushrooms-to-save-the-planet/ http://www.yesmagazine.org/issues/a-resilient-community/how-mushrooms-eat-oil http://www.nytimes.com/2010/07/18/science/earth/18enviro.html https://japantoday.com/category/national/sunflowers-used-to-clean-up-radiation https://www.sciencenews.org/sites/default/files/15003-14.pdf https://www.seeker.com/mussels-and-clams-can-clean-up-polluted-water-1768972732.html https://pubs.acs.org/doi/abs/10.1021/es5011576 https://pubs.acs.org/doi/pdf/10.1021/es5033212 https://pubchem.ncbi.nlm.nih.gov/compound/Triclocarban https://www.fws.gov/midwest/endangered/clams/mussels.html https://www.sciencedaily.com/releases/2018/01/180117131134.htm http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0189726 http://www.who.int/mediacentre/factsheets/fs379/en/ http://rydberg.biology.colostate.edu/phytoremediation/2006/webpage_trez/Pennycress.htm, http://news.cornell.edu/stories/2007/10/researchers-explore-power-plants-clean-soils https://link.springer.com/article/10.1007/s00299-011-1013-2 http://www.nature.com/news/1999/990429/full/news990429-5.html https://pubs.acs.org/doi/abs/10.1021/es070507a https://www.theguardian.com/science/2017/apr/24/plastic-munching-worms-could-help-wage-war-on-waste-galleria-mellonella https://www.theguardian.com/commentisfree/2017/apr/25/plastic-eating-bugs-wax-moth-caterpillars-bee http://www.cell.com/current-biology/abstract/S0960-9822(17)30231-2 Images: http://www.thinkstockphotos.com/image/stock-photo/126482861 https://en.wikipedia.org/wiki/File:Pleurotus_ostreatus_JPG7.jpg http://www.thinkstockphotos.com/image/stock-photo-sunflower-field-in-the-summer-bulgaria/514381204 http://www.thinkstockphotos.com/image/stock-photo-field-of-sunflowers/200279231-001 http://www.thinkstockphotos.com/image/stock-photo-clams-in-a-white-background/927195038 https://commons.wikimedia.org/wiki/File:Anodonta_californiensis_FWS_19245.jpg https://commons.wikimedia.org/wiki/File:Corbicula_fluminea.jpg http://www.thinkstockphotos.com/image/stock-photo-hand-in-glove-holding-a-test-tube-of-clear/543560076 https://en.wikipedia.org/wiki/File:Ltshp.JPG https://en.wikipedia.org/wiki/File:Sporophyte_of_Funaria.jpg https://en.wikipedia.org/wiki/File:Gebirgs-Hellerkraut.jpg https://en.wikipedia.org/wiki/File:Nicotiana_Tobacco_Plants_1909px.jpg https://en.wikipedia.org/wiki/File:Galleria_mellonella_dorsal.jpg https://www.eurekalert.org/multimedia/pub/138863.php
Why Do Geiger Counters Make That Clicking Sound?
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You don't have to fight feral ghouls to be familiar with the clicking sound of a geiger counter, but what exactly makes these radiation detecting devices click? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://large.stanford.edu/courses/2017/ph241/russo2/ https://io9.gizmodo.com/heres-how-geiger-counters-really-work-1425617341 http://www.bbc.co.uk/bitesize/standard/physics/health_physics/nuclear_radiation/revision/5/ https://www.orau.org/ptp/collection/GMs/introgms.htm
How Intergalactic Particles Are Attacking Your Laptop
1 month ago En
The first 77 viewers to sign up over at brilliant.org/scishow will get 20% off their annual premium subscription: https://brilliant.org/scishow In the early 1980s IBM engineers had a hard time to to figure out inexplicable computer module failures in Denver, Colorado. When they finally cracked the puzzle, the cause turned out to be otherworldly. Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.dailytelegraph.com.au/a-flash-then-we-plunged/story-e6freuy9-1111117691511 www.smh.com.au/good-weekend/the-untold-story-of-qf72-what-happens-when-psycho-automation-leaves-pilots-powerless-20170510-gw26ae.html https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1479948 https://www.researchgate.net/publication/220497892_Field_testing_for_cosmic_ray_soft_errors_in_semiconductor_memories https://www.eng.auburn.edu/~agrawvd/TALKS/tutorial_6pg.pdf http://www.pld.ttu.ee/IAF0030/curtis.pdf https://www.sciencemag.org/content/206/4420/776#aff-2 http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.29 http://onlinelibrary.wiley.com/book/10.1002/9781118479308 https://spectrum.ieee.org/computing/hardware/how-to-kill-a-supercomputer-dirty-power-cosmic-rays-and-bad-solder https://phys.org/news/2017-02-particles-outer-space-wreaking-low-grade.html Interview with Bharat Bhuva Image Source: https://commons.wikimedia.org/wiki/File:Crshower2_nasa.jpg https://commons.wikimedia.org/wiki/File:Ram_chip.jpg https://en.wikipedia.org/wiki/File:Windows_XP_BSOD.png https://upload.wikimedia.org/wikipedia/commons/1/18/U.S._Department_of_Energy_-_Science_-_477_015_010_%289737767578%29.jpg https://commons.wikimedia.org/wiki/File:Inside_Suite.jpg https://www.flickr.com/photos/andrewfhart/8106189987 :
Why Do the Planets Orbit in the Same Plane?
1 month ago En
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that? Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ast.cam.ac.uk/public/ask/3088 https://www.noao.edu/staff/csalyk/AST101/presentations/SolarSystemFormation.pdf http://theconversation.com/pluto-and-its-collision-course-place-in-our-solar-system-43404 http://www.astronomy.com/news/2013/11/astronomers-establish-the-strength-of-high-inclination-asteroids https://arxiv.org/pdf/1501.06204.pdf http://iopscience.iop.org/article/10.1086/320391/pdf https://www.scientificamerican.com/article/experts-where-is-the-oort-cloud/ https://nerdfighteria.info/v/ZJscxTyI__s/ ------ Images: https://images.nasa.gov/details-PIA11800.html https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10635 https://commons.wikimedia.org/wiki/File:Orion_Nebula_with_proplyd_highlights_(captured_by_the_Hubble_Space_Telescope).jpg https://en.wikipedia.org/wiki/File:Plutoorbit1.5sideview.gif https://en.wikipedia.org/wiki/Halley%27s_Comet#/media/File:Halley%27s_Comet_animation.gif http://www.thinkstockphotos.com/image/stock-illustration-planets-of-the-solar-system/525563143
3 of the Biggest Experiments Ever
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Go to https://www.squarespace.com/scishow for a free trial and use the offer code SCISHOW to support this channel and save 10% off your first purchase of a website or domain. Whether it's robots under the sea, wave detectors in space, or star-power on land, this episode has big experiments covered. NEPTUNE camera live feeds: http://www.oceannetworks.ca/sights-sounds/live-video Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: NEPTUNE: https://water.usgs.gov/edu/earthhowmuch.html https://www.popsci.com/science/article/2011-07/supersized-10-most-awe-inspiring-projects-universe#page-3 http://www.interactiveoceans.washington.edu/story/The_NEPTUNE_Concept_A_Regional_Cabled_Ocean_Observatory_in_the_Northeast_Pacific_Ocean http://www.oceannetworks.ca/observatories/pacific#northeast http://www.oceannetworks.ca/methane-flux-barkley-canyon http://www.oceannetworks.ca/introduction-cascadia-basin http://www.oceannetworks.ca/introduction-clayoquot-slope http://www.oceannetworks.ca/sights-sounds/live-video http://www.oceannetworks.ca/endeavours-complex-environment http://www.oceannetworks.ca/introduction-folger-passage http://www.oceannetworks.ca/introduction-middle-valley http://www.oceannetworks.ca/crabs-everywhere-mystery-caught-camera NIF: https://www.youtube.com/watch?v=yixhyPN0r3g http://www.world-nuclear.org/information-library/nuclear-fuel-cycle/nuclear-wastes/radioactive-wastes-myths-and-realities.aspx https://lasers.llnl.gov/education/faqs https://lasers.llnl.gov/about/how-nif-works http://www.sciencemag.org/news/2016/06/giant-us-fusion-laser-might-never-achieve-goal-report-concludes https://lasers.llnl.gov/about/how-nif-works/beamline/amplifiers LISA: https://www.ligo.org/detections/GW150914.php https://www.ligo.caltech.edu/page/what-is-interferometer https://www.ligo.caltech.edu/page/ligos-ifo http://physicsworld.com/cws/article/news/2016/feb/11/ligo-detects-first-ever-gravitational-waves-from-two-merging-black-holes https://lisa.nasa.gov/ https://arxiv.org/pdf/1704.00009.pdf Images: https://commons.wikimedia.org/wiki/File:CERN_Aerial_View.jpg https://commons.wikimedia.org/wiki/File:NEPTUNE_Canada_overview_map.jpg https://commons.wikimedia.org/wiki/File:Clouds_over_the_Atlantic_Ocean.jpg https://commons.wikimedia.org/wiki/File:Hydrophone_being_lowered_into_the_Atlantic.jpg https://commons.wikimedia.org/wiki/File:Exterior_patio_of_the_National_Ignition_Facility.jpg https://commons.wikimedia.org/wiki/File:NIF_Laser_Bay.jpg https://commons.wikimedia.org/wiki/File:U.S._Department_of_Energy_-_Science_-_115_033_004_(9575298575).jpg https://commons.wikimedia.org/wiki/File:LISA-waves.jpg https://commons.wikimedia.org/w/index.php?title=File%3AWarped_Space_and_Time_Around_Colliding_Black_Holes_(Courtesy_Caltech-MIT-LIGO_Laboratory%2C_produced_by_SXS_project).webm https://commons.wikimedia.org/wiki/File:Aerial_View_Of_LIGO_Livingston_599x400.jpg
7 of the Strangest Allergies
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When you think of allergies, the first thing that comes to mind is probably seasonal allergies, but there are a handful of strange allergies can be much harder to avoid than pollens. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Sources: https://www.researchgate.net/publication/276147913_Physical_urticaria_Review_on_classification_triggers_and_management_with_special_focus_on_prevalence_including_a_meta-analysis https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2492902/ http://www.pcds.org.uk/clinical-guidance/urticaria-physical-urticaria http://www.merckmanuals.com/professional/dermatologic-disorders/approach-to-the-dermatologic-patient/urticaria http://www.merckmanuals.com/professional/immunology-allergic-disorders/allergic,-autoimmune,-and-other-hypersensitivity-disorders/overview-of-allergic-and-atopic-disorders https://emedicine.medscape.com/article/762917-overview http://abcnews.go.com/Health/AllergiesNews/story?id=7401149&page=1 https://mosaicscience.com/story/why-do-we-have-allergies/ dermographism https://www.dermnetnz.org/topics/dermographism/ https://emedicine.medscape.com/article/1050294-overview https://www.ncbi.nlm.nih.gov/pubmed/16405609 vibration https://ghr.nlm.nih.gov/condition/vibratory-urticaria#genes https://www.nih.gov/news-events/news-releases/nih-scientists-discover-genetic-cause-rare-allergy-vibration water https://rarediseases.info.nih.gov/diseases/10901/aquagenic-urticaria http://www.bbc.com/future/story/20160915-the-woman-who-is-allergic-to-water https://www.sciencealert.com/here-s-what-happens-if-you-develop-an-allergy-to-water http://onlinelibrary.wiley.com/doi/10.1111/j.1525-1470.2012.01801.x/abstract exercise https://emedicine.medscape.com/article/886641-overview#showall https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3020292/ https://www.aafp.org/afp/2001/1015/p1367.html semen https://clinicalmolecularallergy.biomedcentral.com/articles/10.1186/1476-7961-6-13 https://www.uptodate.com/contents/allergic-reactions-to-seminal-plasma http://www.issm.info/sexual-health-qa/what-is-a-sperm-allergy/ http://www.tandfonline.com/doi/abs/10.3810/pgm.2011.01.2253 http://www.annallergy.org/article/S1081-1206(13)00005-7/abstract http://www.allergologyinternational.com/article/S1323-8930(17)30110-7/fulltext https://sciencealert.com/rare-post-orgasm-illness-is-real-and-warrants-further-research-study-finds-pois-semen https://rarediseases.info.nih.gov/diseases/10809/postorgasmic-illness-syndrome http://www.jsm.jsexmed.org/article/S1743-6095(15)33455-X/fulltext https://www.nature.com/articles/nrurol.2011.17 progesterone https://rarediseases.info.nih.gov/diseases/9139/autoimmune-progesterone-dermatitis https://rarediseases.info.nih.gov/diseases/9139/autoimmune-progesterone-dermatitis/cases/33524 https://www.medscape.com/viewarticle/712365 http://www.annallergy.org/article/S1081-1206(10)61838-8/abstract https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3423662/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC509283/ https://www.dermnetnz.org/topics/autoimmune-progesterone-dermatitis Image Sources: https://commons.wikimedia.org/wiki/File:Skin_writing01.jpg https://upload.wikimedia.org/wikipedia/commons/a/a0/SMCpolyhydroxysmall.jpg https://en.wikipedia.org/wiki/Histamine#/media/File:Histamine.svg https://commons.wikimedia.org/wiki/File:PSA_KLK3_PDB_2ZCK.png https://en.wikipedia.org/wiki/Progesterone#/media/File:Progesterone-3D-balls.png
Why Do Some Harmonies Sound Prettier Than Others?
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Whether your favorite band is One Direction or Slayer, you can probably tell tense chords from relaxed ones, but what exactly gives them those qualities? Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.newscientist.com/article/dn20930-why-harmony-pleases-the-brain/ https://physics.aps.org/story/v28/st9 https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.107.108103 http://www.sciencemag.org/news/2016/07/your-culture-not-your-biology-shapes-your-musical-taste https://www.nature.com/articles/nature18635 http://www.salford.ac.uk/computing-science-engineering/research/acoustics/psychoacoustics/sound-quality-making-products-sound-better/sound-quality-testing/roughness-fluctuation-strength
How Tattoos Really Work... At Least in Mice
1 month ago En
Check out the great YouTube channel Technicality and get a special offer from Skillshare here: https://youtu.be/TjKuu0U2yA4 People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making drought-proof plants! Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.smithsonianmag.com/history/tattoos-144038580/ https://www.popsci.com/science/article/2013-06/fyi-what-makes-tattoos-permanent http://www.businessinsider.com/what-happens-to-skin-when-you-get-a-tattoo-2015-6 https://www.theatlantic.com/health/archive/2014/07/the-real-reason-tattoos-are-permanent/374825/ http://redo.com.my/wp-content/uploads/2016/12/97_Ferguson_NeodymiumYAG-Laser_BJD_Nd.pdf http://dx.doi.org/10.1084/jem.20171608 https://ensia.com/voices/gmos-silver-bullets-and-the-trap-of-reductionist-thinking/ http://nature.com/articles/doi:10.1038/s41467-018-03231-x http://ripe.illinois.edu/team/executive-committee http://science.sciencemag.org/content/354/6314/857
Why Frogs Sometimes Fall From the Sky
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The first 77 viewers to sign up at brilliant.org/scishow will get 20% off their annual premium subscription AND support SciShow. Test your knowledge with Hank at https://brilliant.org/SciShowAtmospheric/ It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://io9.gizmodo.com/5895116/the-mystery-of-raining-animals-and-other-impossible-but-real-weather-weirdness http://www.telegraph.co.uk/news/newstopics/howaboutthat/5491846/Sky-rains-tadpoles-over-Japan.html https://io9.gizmodo.com/5725175/why-are-thousands-of-dead-birds-suddenly-falling-from-the-sky https://news.nationalgeographic.com/news/2011/01/110106-birds-falling-from-sky-bird-deaths-arkansas-science/ http://www.loc.gov/rr/scitech/mysteries/rainingfrogs.html https://www.smithsonianmag.com/science-nature/strange-rain-why-fish-frogs-and-golf-balls-fall-skies-180956527/ https://www.livescience.com/44760-raining-frogs.html http://www.huffingtonpost.co.uk/2015/05/18/spiders-rain-australian-town-goulburn_n_7305192.html http://www.wafb.com/Global/story.asp?S=6771977 https://www.weather.gov/apx/waterspout https://oceantoday.noaa.gov/waterspouts/ ---------- Images: http://www.thinkstockphotos.com/image/stock-illustration-border-of-small-dogs-and-cats-arranged/667787162 https://en.wikipedia.org/wiki/File:Wea02218_-_Flickr_-_NOAA_Photo_Library.jpg https://en.wikipedia.org/wiki/File:Gravure_de_pluie_de_poissons.jpg http://www.thinkstockphotos.com/image/stock-illustration-frog-cartoon-tropical-animal-cartoon/660559510 http://www.thinkstockphotos.com/image/stock-illustration-flying-birds/617776890 https://www.youtube.com/watch?v=5_QJV9kqOzY https://en.wikipedia.org/wiki/Common_starling#/media/File:Sturnus_vulgaris_in_Napa_Valley_1.jpg https://www.flickr.com/photos/noaaphotolib/5033385343/ https://www.flickr.com/photos/noaaphotolib/9627148799/ https://www.flickr.com/photos/noaaphotolib/5034008524/in/photolist-8EMrfT-8EQBmq-8EMq6V-fF1b5J-fEHDW8-fF1cnQ-fEHC7e-8GHPRS-9gBJBv-fJskkR-9gEPAJ-9gBJwe-9gBJuk-9gBJzn-9gEPLf-9gBJyc-9gBJsp-fJqVPt-9gEPR9-w88DfC https://www.flickr.com/photos/noaaphotolib/5054533468/in/photolist-8GDNGL-93pq1m-8EPxCC-8ELmyB-8EPwZA-8GAD9R-8ELmeH-8ELmFz-93pqvY-8EPwwq-8GED4V-93mhV2-93mhQD-8GADzM-8GADFM-8ELmj6-8ELmWD-8ELmAB-8GDNj5-8EPwvq-93pqD5-8KeNvA-8GHPDU-8GDNso-93mhGx-93mibi-8GAFuc-8GADRV-8GDPa3-8EPxEE-8ELmYg-8ELndZ-8EPxjC-8EPwMj-8EPxzG-8EPxhW-93pqrj-93pqsY-93mhA8-93mhTa-93pqyJ-93micc-8GDS1m-93mhEg-8GABPa-93mhZ6-8GAFok-8GDRj9-8GXFTf-8GDQdj https://www.videoblocks.com/video/new-zealand-rock-rain-and-waves-stpnbfntirsm31ct https://freesound.org/people/straget/sounds/412308/ http://www.thinkstockphotos.com/image/stock-photo-storm-over-the-fields/528739644
Football, Dementia, and the Future of Sports
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It’s not like anyone thought head injuries were good for people, but the long term effects of concussions has researchers, coaches, and doctors concerned about the extra risks of some popular sports. Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.profootballhof.com/football-history/pro-footballs-birth-certificate/ https://www.ncbi.nlm.nih.gov/books/NBK185339/ https://jamanetwork.com/journals/jamaneurology/article-abstract/2654232?redirect=true http://n.neurology.org/content/neurology/48/3/581.full.pdf https://www.pbs.org/wgbh/pages/frontline/sports/league-of-denial/timeline-the-nfls-concussion-crisis/ http://thejns.org/doi/abs/10.3171/foc.2006.21.4.13%40col.2012.116.issue-6?journalCode=col https://www.sciencedaily.com/releases/2000/05/000505064356.htm https://www.bu.edu/cte/about/frequently-asked-questions/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC34454/ https://www.bostonglobe.com/metro/2018/01/18/cte-can-begin-soon-after-head-injury-even-teens-study-finds/yApExpCyyiESvgOYviI6NK/story.html?s_campaign=bostonglobe%3Asocialflow%3Atwitter http://abcnews.go.com/Nightline/cheerleading-dangerous-sport-young-girls/story?id=9473938 http://www.nytimes.com/2007/03/31/sports/31cheerleader.html http://www.nationwidechildrens.org/news-room-articles/cheerleading-injuries-found-to-be-significant-source-of-injury-to-girls?contentid=46084 http://aacca.org/safety-rules/ https://www.sbs.com.au/topics/science/humans/article/2016/08/09/what-happens-gymnasts-body-it-ages https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3751410/ http://www.jpeds.com/article/S0022-3476(00)70094-1/fulltext https://www.karger.com/Article/Pdf/84282 https://www.nof.org/patients/what-is-osteoporosis/ https://www.arthritis.org/about-arthritis/types/osteoarthritis/ https://www.cdc.gov/arthritis/data_statistics/cost.htm https://www.mayoclinic.org/diseases-conditions/sprained-ankle/symptoms-causes/syc-20353225 https://www.mayoclinic.org/diseases-conditions/tendinitis/symptoms-causes/syc-20378243 https://www.mayoclinic.org/diseases-conditions/stress-fractures/symptoms-causes/syc-20354057 https://www.nytimes.com/2016/04/10/opinion/sunday/baseball-is-injuring-too-many-kids.html?mtrref=www.google.com&assetType=opinion http://grantland.com/features/comparing-mortality-rates-football-baseball/ https://www.ncbi.nlm.nih.gov/pubmed/15262641 http://bjsm.bmj.com/content/48/4/287.full?sid=bd122323-896f-4b27-afe1-d37beeed4a8e http://pediatrics.aappublications.org/content/early/2016/08/25/peds.2016-2148 http://journals.sagepub.com/doi/full/10.1177/0363546517710213 https://www.npr.org/sections/health-shots/2017/07/25/539334374/student-athletes-who-specialize-early-are-injured-more-often-study-finds https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3658407/ https://www.nytimes.com/2017/09/29/health/sports-injuries-football-yale.html http://www.bbc.com/news/health-33478629 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2953356/ http://kidshealth.org/en/teens/runners-knee.html http://thesportjournal.org/article/sports-equipment-and-technology/ https://engineeringsport.co.uk/2012/08/09/what-is-sports-engineering/ https://www.washingtonpost.com/news/early-lead/wp/2017/11/22/theres-a-new-safest-football-helmet-for-sale-now-can-anyone-afford-it/?utm_term=.d8b63bf2e886 https://www.sciencedirect.com/science/article/pii/S1877065716300069 http://natajournals.org/doi/10.4085/1062-6050-51.4.05 http://www.tandfonline.com/doi/abs/10.1080/00336297.2017.1386114 Images: https://en.wikipedia.org/wiki/File:Chronic_Traumatic_Encephalopathy.png http://www.thinkstockphotos.com
Should You Talk to Your Plants to Help Them Grow?
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You may have heard that plants do better with verbal encouragement, but is there any evidence supporting this gardening tale? Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.discovery.com/tv-shows/mythbusters/mythbusters-database/talking-to-plants/ http://news.psu.edu/story/141343/2008/08/25/research/probing-question-does-talking-plants-help-them-grow https://link.springer.com/article/10.1007/s11032-007-9122-x https://www.sciencedirect.com/science/article/pii/S0927776504000840?via%3Dihub http://www.bbc.com/earth/story/20160118-can-your-plants-really-hear-you-if-you-sing-to-them http://scholar.cu.edu.eg/sites/default/files/redagreen/files/advances_in_effects_of_sound_waves_on_plants.pdf https://www.nature.com/scitable/knowledge/library/effects-of-rising-atmospheric-concentrations-of-carbon-13254108 http://erj.ersjournals.com/content/15/1/177.short
Slug Sex and Bubble Rafts: Nature's Most Unusual Slime
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Slime videos have been a popular trend on YouTube recently, but there are a few animals with their own versions of slime, which they use for some very cool things! Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Slime composition https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/solidsliquidsgases/chemmatters-dec2004-slime.pdf https://www.ncbi.nlm.nih.gov/pubmed/19201713 https://www.researchgate.net/profile/Robert_Prezant2/publication/236964382_Molluscan_mucins_a_unifying_thread/links/53dfcb890cf2aede4b4940ab.pdf Hagfish http://jeb.biologists.org/content/213/7/1092 https://gizmodo.com/ooey-gooey-hagfish-slime-is-an-amazingly-versatile-mate-1784713798 https://gizmodo.com/hagfish-slime-is-wonderful-1796918961 https://www.youtube.com/watch?v=Bta18FdkVcA https://www.ncbi.nlm.nih.gov/pubmed/16326943 https://www.smithsonianmag.com/science-nature/14-fun-facts-about-hagfish-77165589/ https://www.ncbi.nlm.nih.gov/pubmed/20348334 Slug http://web.mit.edu/nnf/research/phenomena/slug.html https://www.theguardian.com/science/2017/jul/27/from-goo-to-glue-slug-slime-inspires-new-wound-mending-surgical-adhesive https://www.sciencenewsforstudents.org/article/slip-sliming-away https://www.npr.org/sections/health-shots/2017/07/27/539473673/slug-slime-inspires-scientists-to-invent-sticky-surgical-glue https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4157752/ http://www.bbc.com/earth/story/20150114-the-strange-sensational-world-of-leopard-slug-sex https://www.wired.com/2015/09/absurd-creature-week-slug-big-penis-mate-upside/ Violet sea snail https://news.nationalgeographic.com/news/2011/10/pictures/111019-about-sea-snail-mucus-bubble-rafts/ https://www.livescience.com/16476-bubble-rafting-snail-evolution.html http://www.cell.com/current-biology/abstract/S0960-9822%2811%2900886-4 http://ur.umich.edu/1112/Oct17_11/2761-in-bubble-rafting-snails http://www.mesa.edu.au/atoz/Violet_Sea_Snail.asp Images: https://commons.wikimedia.org/wiki/File:M.E._Blochii_..._Systema_ichthyologiae_iconibus_CX_illustratum_(Plate_104)_(7038552661).jpg https://www.nature.com/articles/srep30371 https://commons.wikimedia.org/wiki/File:Limax_maximus_5.jpg https://commons.wikimedia.org/wiki/File:Slug-oh_my!.jpg https://commons.wikimedia.org/wiki/File:Mating_Great_Grey_Slug_4111.jpg https://commons.wikimedia.org/wiki/File:Janthina_janthina.jpg https://commons.wikimedia.org/wiki/File:Janthina.jpg https://commons.wikimedia.org/wiki/File:Portuguese_Man-O-War_(Physalia_physalis).jpg
6 Supplements That Might Actually Help You
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More than half of Americans take a dietary supplement, but the truth is, most people don't need them. There are, however, a handful of supplements that can be helpful in some situations! Hosted by: Hank Green ---------- Sources: http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/overview-of-dietary-supplements https://nccih.nih.gov/health/herbsataglance.htm https://nccih.nih.gov/health/supplements/wiseuse.htm https://nccih.nih.gov/health/vitamins https://ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-Consumer/ https://ods.od.nih.gov/factsheets/WeightLoss-Consumer/ http://time.com/5118902/nih-dietary-supplement/ http://www.nejm.org/doi/full/10.1056/NEJMsa1504267 ER visits http://time.com/4072487/supplements-cause-more-than-23000-er-visits-a-year/ https://jamanetwork.com/journals/jama/article-abstract/2565733 supplement paradox https://jamanetwork.com/journals/jama/fullarticle/183163 selenium/vitE on prostate cancer https://www.nytimes.com/2016/11/21/well/live/which-supplements-if-any-may-be-worth-your-money.html https://www.nytimes.com/2016/11/15/well/eat/studies-show-little-benefit-in-supplements.html https://newsatjama.jama.com/2016/03/24/jama-forum-why-take-vitamin-d-supplements-if-they-dont-improve-health/ http://www.nejm.org/doi/full/10.1056/NEJMoa052771 glucosamine combo http://www.nejm.org/doi/full/10.1056/NEJMcp1210380 calcium & fracture https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3970298/ calcium & osteop http://www.cochrane.org/CD004760/NEUROMUSC_creatine-for-treating-muscle-disorders https://jissn.biomedcentral.com/articles/10.1186/s12970-017-0173-z https://www.webmd.com/men/creatine#1 http://umich.edu/~medfit/supplementation/creatinebasicsandbiochemistry101705.html https://theconversation.com/health-check-which-sports-supplements-actually-work-83093 http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/creatine https://www.webmd.com/food-recipes/features/truth-about-beetroot-juice https://www.medscape.com/viewarticle/865211 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4288952/ http://ajcn.nutrition.org/content/103/1/25.abstract https://link.springer.com/article/10.1007%2Fs40279-016-0617-7 http://www.merckmanuals.com/professional/nutritional-disorders/vitamin-deficiency,-dependency,-and-toxicity/folate https://medlineplus.gov/folicacid.html https://www.womenshealth.gov/a-z-topics/folic-acid https://medlineplus.gov/neuraltubedefects.html https://medlineplus.gov/ency/article/000551.htm https://rarediseases.org/rare-diseases/anemia-megaloblastic/ https://www.cdc.gov/ncbddd/birthdefects/anencephaly.html https://jamanetwork.com/journals/jamapsychiatry/article-abstract/2667432 autism https://www.ncbi.nlm.nih.gov/pubmed/28756618 cochrane eyes https://jamanetwork.com/journals/jama/fullarticle/1684847 AREDS2 2013 https://nccih.nih.gov/health/antioxidants/introduction.htm http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD000254.pub4/abstract http://www.rnib.org.uk/eye-health-eye-conditions-age-related-macular-degeneration-amd/nutritional-supplements-age-related https://www.hopkinsmedicine.org/health/healthy-sleep/sleep-science/melatonin-for-sleep-does-it-work http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/melatonin https://nccih.nih.gov/health/melatonin https://www.webmd.com/sleep-disorders/tc/melatonin-overview#1 https://www.webmd.com/sleep-disorders/news/20171004/is-natural-sleep-aid-melatonin-safe http://news.mit.edu/2001/melatonin-1017 http://www.cochrane.org/CD001520/DEPRESSN_melatonin-for-the-prevention-and-treatment-of-jet-lag https://www.consumerreports.org/vitamins-supplements/does-melatonin-really-help-you-sleep/ http://news.mit.edu/2005/melatonin https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1370968/ BMJ 2006 http://onlinelibrary.wiley.com/doi/10.1002/lary.25689/full laryngoscope https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2829880/ https://archive.ahrq.gov/clinic/epcsums/melatsum.htm http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0063773 https://aasm.org/study-finds-that-melatonin-content-of-supplements-varies-widely/ http://jcsm.aasm.org/ViewAbstract.aspx?pid=30954 https://www.gwern.net/docs/melatonin/2005-brzezinski.pdf 2005 review https://www.webmd.com/depression/guide/st-johns-wort#1 http://www.merckmanuals.com/professional/special-subjects/dietary-supplements/st-john%E2%80%99s-wort https://nccih.nih.gov/health/stjohnswort/sjw-and-depression.htm https://www.umm.edu/health/medical/altmed/herb/st-johns-wort https://www.mayoclinic.org/drugs-supplements-st-johns-wort/art-20362212 http://pubs.acs.org/doi/abs/10.1021/ed081p1450 https://www.ncbi.nlm.nih.gov/pubmed/15492771 https://nccih.nih.gov/research/results/spotlight/120908.htm https://www.ncbi.nlm.nih.gov/pubmed/18843608
We Just Found Out Fat Cells Can Move!
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Fat cells don't often receive praise in everyday life, but they probably deserve more credit, as they might be healing our wounds. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.eurekalert.org/emb_releases/2018-02/cp-wfc022218.php http://www.cell.com/developmental-cell/fulltext/S1534-5807(18)30092-3 https://press.nature.com/?post_type=press_release&p=106047 http://nature.com/articles/doi:10.1038/s41467-018-03168-1 https://news.nationalgeographic.com/news/2014/07/140716-giant-viruses-science-life-evolution-origins/ https://arstechnica.com/science/2017/04/giant-viruses-likely-not-involved-in-the-origin-of-cells-after-all/ https://www.nature.com/scitable/topicpage/discovery-of-the-giant-mimivirus-14402410 https://www.newscientist.com/article/2127080-giant-viruses-may-just-be-small-viruses-that-stole-hosts-genes/ https://www.nature.com/news/giant-virus-discovery-sparks-debate-over-tree-of-life-1.21798 http://www.sciencemag.org/news/2017/04/giant-viruses-found-austrian-sewage-fuel-debate-over-potential-fourth-domain-life http://science.sciencemag.org/content/356/6333/82 https://www.the-scientist.com/?articles.view/articleNo/49154/title/New-Giant-Virus-Group-Reported/ https://phys.org/news/2017-04-group-giant-viruses.html Images: https://commons.wikimedia.org/wiki/File:Drosophila_melanogaster_Proboscis.jpg https://commons.wikimedia.org/wiki/File:Fruit_fly_pupae_01.jpg https://www.eurekalert.org/multimedia/pub/163743.php?from=385790 https://www.eurekalert.org/multimedia/pub/163741.php?from=385790 https://commons.wikimedia.org/wiki/File:Rio_de_Janeiro_visto_do_Parque_da_Cidade,_em_Niter%C3%B3i.jpg https://www.nature.com/articles/d41586-018-02591-0
Optogenetics: Using Light to Control Your Brain
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Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa. Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.newyorker.com/magazine/2015/05/18/lighting-the-brain https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4756725/ https://www.nature.com/articles/nmeth.f.324 https://www.ncbi.nlm.nih.gov/pubmed/17873414 https://www.nature.com/news/laser-used-to-control-mouse-s-brain-and-speed-up-milkshake-consumption-1.20995 https://www.nature.com/articles/nature19055 http://www.cell.com/molecular-therapy-family/molecular-therapy/fulltext/S1525-0016(16)32488-1 http://news.mit.edu/2011/blindness-boyden-0420 https://www.nature.com/articles/nbt.2834 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4582796/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC283525/ http://www.annualreviews.org/doi/abs/10.1146/annurev-neuro-061010-113817 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3124340/ https://kids.frontiersin.org/article/10.3389/frym.2017.00051 http://www.caltech.edu/news/mapping-neurons-improve-treatment-parkinsons-50521 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3155186/#bib-026 http://iopscience.iop.org/article/10.1088/1741-2560/4/3/S02/meta
What Are Eyeballs Made Of?
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Go to https://www.Squarespace.com/SciShow for a free trial and use the offer code SCISHOW to support this channel and save 10% off your first purchase of a website or domain. Eyeballs are unique organs, providing many animals with the ability to interpret the light waves in the world around them, but what are these squishy parts made of? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://books.google.com/books?id=UPUCDAAAQBAJ&lpg=PA119&dq=vitreous%20fluid%20center%20gel%20edges&pg=PA119#v=onepage&q&f=false https://thesis.library.caltech.edu/974/3/CSN_CH3.pdf https://www.sciencedirect.com/topics/veterinary-science-and-veterinary-medicine/vitreous-humour https://www.jci.org/articles/view/10706/pdf https://nei.nih.gov/health/floaters/floaters https://www.healthline.com/human-body-maps/eye-vitreous-and-aqueous-humor#seoBlock http://www.aclm.org.uk/index.php?url=04_FAQs/default.php&Q=3 https://www.healthline.com/human-body-maps/cornea Images: https://commons.wikimedia.org/wiki/File:Eye-diagram_bg.svg https://commons.wikimedia.org/wiki/File:FundusPhotoAntha.jpg http://www.thinkstockphotos.com/image/stock-photo-red-blood-cells/119246222/popup?sq=blood%20cell/f=CPIHVX/s=DynamicRank
When Sled Dogs Saved an Alaskan Town
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In 1925, 20 teams of sled dogs braved the harsh Alaskan winter to carry a package of diphtheria antitoxin over 1000 km to save a small town from a deadly outbreak! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://iditarod.com/about/history/ https://www.cdc.gov/about/24-7/savinglives/diphtheria/index.html https://www.cdc.gov/about/24-7/savinglives/diphtheria/campaign.html https://www.cdc.gov/laboratory/drugservice/formulary.html#dat http://www.history.com/news/the-sled-dog-relay-that-inspired-the-iditarod https://www.cdc.gov/vaccines/pubs/pinkbook/downloads/dip.pdf http://americanhistory.si.edu/blog/2013/08/how-horses-helped-cure-diphtheria.html Images: https://commons.wikimedia.org/wiki/File:2003_Iditarod_start_in_Anchorage_-_Aliy_Zirkle.jpg https://commons.wikimedia.org/wiki/File:Alaska_iditarod_route.png https://commons.wikimedia.org/wiki/File:Antitoxin_diphtheria.jpg https://commons.wikimedia.org/wiki/File:Engag%C3%A9_mit_einem_indianischen_Hundeschlitten_by_Maximilian_zu_Wied-Neuwied.jpg https://commons.wikimedia.org/wiki/File:Nome_Alaska_1903.jpg https://commons.wikimedia.org/wiki/File:Corynebacterium_diphtheriae_Gram_stain.jpg https://commons.wikimedia.org/wiki/File:StateLibQld_1_119772_Plane_built_by_Qantas_at_Longreach_in_the_late_1920s.jpg https://commons.wikimedia.org/wiki/File:Robert_Sorlie_and_Iditarod_team_near_Nome.jpg https://commons.wikimedia.org/wiki/File:Balto.jpg https://commons.wikimedia.org/wiki/File:Corrie_Mile_9_Landscape_-_Jacob_W._Frank_(8636566476).jpg
6 'Undetectable' Poisons (and How to Detect Them)
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Poisoning has always been a popular method of getting rid of one’s enemies, but is there actually a “perfect” poison capable of being completely undetectable? Here are 6 of the poisons that have confounded doctors throughout history! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.britannica.com/science/metalloid https://www.dartmouth.edu/~toxmetal/arsenic/history.html http://jmvh.org/article/arsenic-the-poison-of-kings-and-the-saviour-of-syphilis/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1742758/pdf/v079p00391.pdf https://www.chemistryworld.com/opinion/marshs-mirror/2500415.article https://www.health.ny.gov/environmental/emergency/chemical_terrorism/cyanide_general.htm https://calpoison.org/news/acute-cyanide-poisoning https://emergency.cdc.gov/agent/cyanide/basics/facts.asp https://phys.org/news/2015-03-cyanide-poisoning-seconds.html http://ccn.aacnjournals.org/content/31/1/72.full https://www.washingtonpost.com/archive/local/2004/05/18/howard-teen-guilty-in-poisoning/d063a0ea-aa01-4f2b-90b6-3bfd901005ed/ http://www.slate.com/blogs/crime/2013/10/01/tianle_li_xiaoye_wang_why_thallium_is_known_as_the_poisoner_s_poison.html https://calpoison.org/news/thallium-poisoning https://www.ncbi.nlm.nih.gov/pubmed/6338655 https://www.theguardian.com/world/2013/nov/06/polonium-210-poison-alexander-litvinenko https://www.theguardian.com/world/2016/mar/06/alexander-litvinenko-and-the-most-radioactive-towel-in-history http://www.independent.co.uk/life-style/health-and-families/health-news/alexander-litvinenko-what-does-polonium-do-to-the-body-inquiry-andrei-lugovoi-and-dmitri-kovtun-a6824811.html https://www.chemistryworld.com/news/polonium-210a-deadly-element/3003225.article https://www.britannica.com/science/alpha-particle https://www.livescience.com/54901-free-radicals.html https://www.poison.org/articles/2007-dec/antifreeze-bad-for-your-kids-and-pets https://calpoison.org/news/diagnosis-treatment-ethylene-glycol-antifreeze-ingestion http://www.motherjones.com/environment/2014/01/inquiring-minds-deborah-blum-poison-forensics/ http://www.tandfonline.com/doi/full/10.1080/15563650701419011 https://www.webmd.com/a-to-z-guides/what-is-metabolic-acidosis#1 http://articles.latimes.com/1988-09-01/news/ga-4412_1_common-poisons https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3089829/ https://www.britannica.com/topic/cardiovascular-drug#ref295301 http://articles.latimes.com/1991-04-09/local/me-223_1_murder-case Images: https://commons.wikimedia.org/wiki/File:GHS-pictogram-skull.svg https://commons.wikimedia.org/wiki/File:Arsen_1a.jpg https://commons.wikimedia.org/wiki/File:Marsh_James.jpg https://commons.wikimedia.org/wiki/File:Marsh_test_apparatus.jpg https://commons.wikimedia.org/wiki/File:Sodium_Cyanide.jpg https://commons.wikimedia.org/wiki/File:Kaliumcyanid.jpg https://commons.wikimedia.org/wiki/File:Thallium_pieces_in_ampoule.jpg https://commons.wikimedia.org/wiki/File:Alpha_po_lattice.jpg https://commons.wikimedia.org/wiki/File:Ethylene-glycol-3D-balls.png https://commons.wikimedia.org/wiki/File:Samlpe_of_Ethylene_glycol.jpg https://commons.wikimedia.org/wiki/File:Glycolic_acid_3D_ball.png https://commons.wikimedia.org/wiki/File:Calcium_oxalate_crystals_in_urine.jpg https://commons.wikimedia.org/wiki/File:Nerium_oleander_flowers_leaves.jpg
Where Should I Put My Wi-Fi Router?
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The first 77 viewers to sign up at http://brilliant.org/scishow will get 20% off their annual premium subscription AND support SciShow. If you want to improve your wireless internet signal, we've got a few things to keep in mind. Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.huffingtonpost.co.uk/entry/wifi-router-placement-tips_n_6943024 https://jasmcole.com/2014/08/25/helmhurts/ https://www.wired.com/2016/03/put-router-optimize-home-wi-fi/ https://www.lifewire.com/is-5-ghz-wifi-better-than-2-4-ghz-818293 https://water.usgs.gov/edu/propertyyou.html https://www.howtogeek.com/209450/how-you-and-your-neighbors-are-making-each-other%E2%80%99s-wi-fi-worse-and-what-you-can-do-about-it/
A Blood Test for Brain Damage, and AI Eye Doctors
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This week the FDA approves the first ever blood test for diagnosing concussions, and a group of scientists develop a neural network that could save you a trip to the eye doctor. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm596531.htm https://www.nytimes.com/2018/02/14/health/concussion-fda-bloodtest.html https://www.scientificamerican.com/article/fda-okays-first-concussion-blood-test-but-some-experts-are-wary/ https://gizmodo.com/the-fda-has-approved-the-first-blood-test-for-concussio-1823050720 https://qz.com/1197274/a-blood-test-could-be-used-to-monitor-nfl-players-brains-if-only-we-would-invent-it/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5003664/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3445330/ https://www.futuremedicine.com/doi/full/10.2217/cnc-2015-0002 https://www.nature.com/articles/s41598-017-04722-5 http://www.annemergmed.com/article/S0196-0644(17)30928-9/abstract https://clinicaltrials.gov/ct2/show/study/NCT01426919 https://www.cdc.gov/headsup/basics/concussion_whatis.html https://www.asnr.org/patientinfo/conditions/tbi.shtml https://www.fda.gov/Radiation-EmittingProducts/RadiationEmittingProductsandProcedures/MedicalImaging/MedicalX-Rays/ucm115329.htm https://www.scientificamerican.com/article/simple-blood-tests-for-rapid-concussion-diagnosis/ https://qbi.uq.edu.au/brain-basics/brain/brain-physiology/types-glia https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4601141/ https://www.technologyreview.com/s/540401/two-companies-close-in-on-a-concussion-blood-test/ http://banyanbio.com/~groverto/technology/publications.html https://www.ncbi.nlm.nih.gov/pubmed/27018834 https://www.bu.edu/cte/about/frequently-asked-questions/ https://www.eurekalert.org/emb_releases/2018-02/uoc--aiq021518.php http://dx.doi.org/10.1016/j.cell.2018.02.010 https://nei.nih.gov/health/macular-edema/fact_sheet http://ruder.io/transfer-learning/ https://link.springer.com/chapter/10.1007/978-3-319-10590-1_53 https://www.forbes.com/sites/stevedenning/2012/10/09/why-are-doctors-so-slow-to-learn/#7980f1a06e19
The Key to an Artificial Heart ... and Open-Heart Surgery
1 month ago En
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://books.google.com/books?id=UPUCDAAAQBAJ&lpg=PA119&dq=vitreous%20fluid%20center%20gel%20edges&pg=PA119#v=onepage&q&f=false https://thesis.library.caltech.edu/974/3/CSN_CH3.pdf https://www.sciencedirect.com/topics/veterinary-science-and-veterinary-medicine/vitreous-humour https://www.jci.org/articles/view/10706/pdf https://nei.nih.gov/health/floaters/floaters https://www.healthline.com/human-body-maps/eye-vitreous-and-aqueous-humor#seoBlock http://www.aclm.org.uk/index.php?url=04_FAQs/default.php&Q=3 https://www.healthline.com/human-body-maps/cornea Images: https://commons.wikimedia.org/wiki/File:Eye-diagram_bg.svg https://commons.wikimedia.org/wiki/File:FundusPhotoAntha.jpg
How Pregnancy Is Like Growing an Alien Inside You
1 month ago En
Pregnancy is quite a feat. The embryo manages to develop, get food, and get rid of their waste, all while staying under the radar of their parent’s immune system. Hosted by: Olivia Gordon ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.eurekalert.org/pub_releases/2017-12/cp-ic121317.php https://aeon.co/essays/why-pregnancy-is-a-biological-war-between-mother-and-baby http://www.annualreviews.org/doi/abs/10.1146/annurev-cellbio-100814-125620 forgotten organ https://www.ncbi.nlm.nih.gov/pubmed/28712140 reimagining parasite https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4928162/ physiological changes http://www.yourhormones.info/hormones/relaxin/ http://www.merckmanuals.com/home/women-s-health-issues/normal-pregnancy/stages-of-development-of-the-fetus https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3154715/ vascular changes speech https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4200776/ nutrient http://www.hapmd.com/home/hapmdcom/public_html/wp-content/uploads/2009/03/sub/articulos-e-imagenes/20110615_endocrinology_of_pregnancy_and_fetoplacental_unit.pdf http://www.cell.com/trends/immunology/fulltext/S1471-4906(17)30023-6 hla-g http://www.vivo.colostate.edu/hbooks/pathphys/reprod/placenta/transport.html https://www.medscape.com/viewarticle/408910_2 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4139600/ treg http://blogs.plos.org/dnascience/2013/10/03/when-does-a-human-life-begins-17-timepoints/ http://www.merckmanuals.com/professional/gynecology-and-obstetrics/approach-to-the-pregnant-woman-and-prenatal-care/physiology-of-pregnancy https://www.livescience.com/50877-regnancy-body-changes.html https://www.livescience.com/16937-body-pregnancy.html https://www.khanacademy.org/science/health-and-medicine/circulatory-system/fetal-circulation/v/meet-the-placenta https://www.researchgate.net/publication/7295162_Trowsdale_J_Betz_AGMother's_little_helpers_mechanisms_of_maternal-fetal_tolerance_Nat_Immunol_7241-246 https://f1000research.com/articles/6-1216/v1 https://www.nature.com/nri/journal/v17/n8/full/nri.2017.38.html http://www.sciencedirect.com/science/article/pii/S0143400417301790 https://www.ncbi.nlm.nih.gov/books/NBK53254/ placental stats http://www.diabetes.org/diabetes-basics/gestational/what-is-gestational-diabetes.html http://jme.endocrinology-journals.org/content/60/1/R23.full http://onlinelibrary.wiley.com/doi/10.1002/bies.201500059/full microchimerism http://onlinelibrary.wiley.com/doi/10.1007/s12522-011-0102-9/full remodeling https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4472320/ https://books.google.com/books?id=s53ImjKyJxIC&pg=PA266 ---------- Images: https://commons.wikimedia.org/wiki/File:Placenta.svg http://www.thinkstockphotos.com/image/stock-illustration-normal-pregnant-female-anatomy/530510038 http://www.thinkstockphotos.com/image/stock-illustration-from-ovulation-to-fertilization/646723326 https://en.wikipedia.org/wiki/Blastocyst#/media/File:Blastocyst_English.svg https://en.wikipedia.org/wiki/Blastocyst#/media/File:Human_blastocyst.jpg http://www.thinkstockphotos.com/image/stock-photo-3d-illustration-early-stage-embryo-stem-cell/904268718/popup http://www.thinkstockphotos.com/image/stock-illustration-count-dracula/514459808 http://www.thinkstockphotos.com/image/stock-photo-blood-vessels/155597214/popup?sq=blood%20vessels/f=CPIHVX/s=DynamicRank http://www.thinkstockphotos.com/image/stock-photo-virus-and-antibodies/639848808 http://www.thinkstockphotos.com/image/stock-photo-red-blood-cells-in-vein/637422184/popup?sq=blood/f=CPIHVX/s=DynamicRank http://www.thinkstockphotos.com/image/stock-photo-human-egg-and-womb/479892204/popup?sq=embryos/f=CPIHVX/s=DynamicRank http://www.thinkstockphotos.com/image/stock-illustration-how-does-insulin-work-illustrated/904816340/popup?sq=insulin/f=CPIHVX/s=DynamicRank http://www.thinkstockphotos.com/image/stock-photo-top-view-of-white-sugar-cubes-on-turquoise/833229890 https://commons.wikimedia.org/wiki/File:Healthy_Human_T_Cell.jpg http://www.thinkstockphotos.com/image/stock-photo-macrophage-binding-with-t-cell/629496602 http://www.thinkstockphotos.com/image/stock-photo-t-cells/628064556 http://www.thinkstockphotos.com/image/stock-photo-portrait-of-a-three-generation-family/200280711-001
Could Humans Ever Breathe Water?
1 month ago En
Wouldn’t it be wonderful if we could breathe underwater? But is it even possible? Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://scienceline.ucsb.edu/getkey.php?key=2087 https://www.livescience.com/32196-why-cant-human-beings-breathe-underwater.html https://gizmodo.com/can-humans-breathe-liquid-1156138301 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4258983/ http://www.f2chemicals.com/pdf/technical/Gas%20solubility.pdf https://www.cbsnews.com/news/drug-unapproved-by-fda-saves-infants-life/ https://dnr.mo.gov/env/esp/wqm/DOSaturationTable.htm http://www.fondriest.com/environmental-measurements/parameters/water-quality/dissolved-oxygen/ http://rainbow.ldeo.columbia.edu/dl/QA/43.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3191624/
3 Things Fish Shouldn't Be Able to Do
1 month ago En
When you think of animals with awesome abilities, fish usually aren’t the first thing that come to mind, but there are a few species that have taken their adaptations to the extreme! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.cell.com/cms/attachment/2110595655/2083227706/mmc2.mp4 https://link.springer.com/article/10.1007/BF00361900 http://www.cell.com/current-biology/fulltext/S0960-9822(06)01013-X http://www.cell.com/current-biology/fulltext/S0960-9822(14)00922-1?_returnURL=http%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0960982214009221%3Fshowall%3Dtrue http://jeb.biologists.org/content/jexbio/early/2017/01/11/jeb.146936.full.pdf https://www.nature.com/articles/srep27523 https://news.nationalgeographic.com/news/2007/11/071106-tree-fish.html http://jeb.biologists.org/content/jexbio/219/12/1860.full.pdf https://www.ncbi.nlm.nih.gov/pubmed/17371909 https://www.ncbi.nlm.nih.gov/pubmed/21029016 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3501099/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3501094/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3501097/ https://www.scientificamerican.com/article/fishes-use-problem-solving-and-invent-tools/ https://link.springer.com/article/10.1007%2Fs00338-011-0790-y https://cloudfront.escholarship.org/dist/prd/content/qt3qg3h7pd/qt3qg3h7pd.pdf https://www.amazon.ca/What-Fish-Knows-Underwater-Cousins/dp/0374288216
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