TED-Ed
TED-Ed’s commitment to creating lessons worth sharing is an extension of TED’s mission of spreading great ideas. Within TED-Ed’s growing library of TED-Ed animations, you will find carefully curated educational videos, many of which represent collaborations between talented educators and animators nominated through the TED-Ed website (ed.ted.com). Want to suggest an idea for a TED-Ed animation or get involved with TED-Ed? Visit our website at: http://ed.ted.com/get_involved. Also, consider donating to us on Patreon! By doing so, you directly support our mission and receive some pretty awesome rewards: https://www.patreon.com/teded For more information on using TED for commercial purposes (e.g. employee learning, in a film, or in an online course), please submit a Media Request using this link: https://media-requests.ted.com/

1533 videos
Can you trust your memory? - Sheila Marie Orfano Can you trust your memory? - Sheila Marie Orfano
3 days ago En
Explore the Rashomon effect, where individuals give significantly different but equally believable accounts of the same event. -- A samurai is found dead in a quiet bamboo grove. One by one, the crime’s only known witnesses recount their version of the events. But as they each tell their tale, it becomes clear that every testimony is plausible yet different. And each witness implicates themselves. What’s going on? Sheila Marie Orfano explores the phenomenon of warring perspectives known as the Rashomon effect. Lesson by Sheila Marie Orfano, directed by Jeremiah Dickey. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Pee
Ugly History: The U.S. Syphilis Experiment - Susan M. Reverby Ugly History: The U.S. Syphilis Experiment - Susan M. Reverby
5 days ago En
Dig into the unethical Tuskegee Syphilis Study, which spanned 40 years and lied to its participants about receiving treatment for syphilis. -- Afflicting nearly 1 in 10 Americans, syphilis was ravaging the U.S. in the 1930s. Many doctors believed syphilis affected Black and white patients differently, and the Public Health Service launched an experiment to investigate, recruiting 600 Black men to take part. But the study was centered on a lie: the men wouldn’t actually receive treatment. Susan Reverby details the Tuskegee Syphilis Study. Lesson by Susan M. Reverby, directed by Ouros Animation. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http:/
A day in the life of an Ancient Greek oracle - Mark Robinson A day in the life of an Ancient Greek oracle - Mark Robinson
6 days ago En
Follow Aristonike, an Oracle-in-training in Delphi, as she studies to become the Pythia and communicate Apollo’s will and prophecies. -- As the sun rises over Delphi in 500 BCE, Aristonike hurries to the temple of Apollo where a single oracle known as the Pythia communicates Apollo’s will. Reserved only for women, this is the most important job in the city— and one that Aristonike will soon have to take on if city council officials decide she meets their standards. Mark Robinson outlines a day in the life of an Oracle-in-training. Lesson by Mark Robinson, directed by WOW-HOW Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TED
Why do we have hair in such random places? - Nina G. Jablonski Why do we have hair in such random places? - Nina G. Jablonski
1 week ago En
Discover how humans lost their fur as they evolved from primates, and why we still have hair on our bodies. -- We have lots in common with our closest primate relatives. But comparatively, humans seem a bit… underdressed. Instead of thick fur covering our bodies, many of us mainly have hair on top of our heads— and a few other places. So, how did we get so naked? And why do we have hair where we do? Nina G. Jablonski explores the evolution of human hair. Lesson by Nina G. Jablonski, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram
The epic of Gilgamesh, the king who tried to conquer death - Soraya Field Fiorio The epic of Gilgamesh, the king who tried to conquer death - Soraya Field Fiorio
1 week ago En
Dive into the Epic of Gilgamesh, and follow the king of Uruk on a series of dangerous quests as he searches for immortality. -- In 1849, in the ancient city of Nineveh in Iraq, archaeologists sifted through dusty remains, hoping to find records to prove that Bible stories were true. What they found instead was a 4,000-year-old story inscribed on crumbling clay tablets— a story that was so riveting, the first person to translate it started stripping from excitement. Soraya Field Fiorio tells the epic tale of Gilgamesh. Lesson by Soraya Field Fiorio, directed by Amir Houshang Moein. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEd
Can you solve the Trojan War riddle? - Dennis E. Shasha Can you solve the Trojan War riddle? - Dennis E. Shasha
2 weeks ago En Ru
Practice more problem-solving at https://brilliant.org/TedEd -- On Olympus, you’ve been waiting for an opportunity to bring the bloody Trojan War to its conclusion. The two sides have agreed to a brief truce, and when you consult the Fates, they advise: should the peace last for 10 days, all will end soon. But if the truce is broken, there will be 10 more devastating years of war. Can you help the Greeks and Trojans keep the peace? Dennis Shasha shows how. Lesson by Dennis E. Shasha, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram
Could you survive the real Twilight Zone? - Philip Renaud and Kenneth Kostel Could you survive the real Twilight Zone? - Philip Renaud and Kenneth Kostel
2 weeks ago En
Find out how a hatchetfish survives its daily journey from the depths of the ocean’s Twilight Zone to the resource-rich surface. -- You’re traveling deep beneath the ocean’s surface, where faint lights flicker and toothy grins flash. Your mission is to survive these depths and journey to the surface after sundown to feed. And as a hatchetfish, almost every other deep-sea creature is trying to eat you. Can you complete the quest? Philip Renaud and Kenneth Kostel share how to survive the ocean's Twilight Zone. Lesson by Philip Renaud and Kenneth Kostel, directed by Cris Wiegandt. Designed by Bárbara Fonseca Sound design by Claudia Ioana Vasiliu Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: htt
The woman who stared at the sun - Alex Gendler The woman who stared at the sun - Alex Gendler
2 weeks ago En
Get to know the legacy of Hisako Koyama, whose drawings of the sun’s surface helped scientists reconstruct 400 years of sunspot activity. -- In 1944, amateur astronomer Hisako Koyama’s latest endeavor was sketching the sun’s shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these drawings were the start of one of the most important records of solar activity in human history. Alex Gendler details the incredible legacy of Koyama's work. Lesson by Alex Gendler, directed by Martina Meštrović. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTw
Run, sail, or hide? How to survive the destruction of Pompeii - Gary Devore Run, sail, or hide? How to survive the destruction of Pompeii - Gary Devore
3 weeks ago En Ru
Download a free audiobook version of “Into Thin Air“ and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- It’s a bustling day in Pompeii. After a quick visit to the market, Fabia spots her brothers, Lucius and Marcus, crossing the Forum. The siblings begin discussing Lucius’ wedding — but a deafening boom interrupts them. They watch Vesuvius spew smoke, ash, and rock — and realize they’ve been living in the shadow of a volcano. Gary Devore follows the siblings as they attempt to survive the disaster. Lesson by Gary Devore, directed by Totem Creative. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Pe
Can you be awake and asleep at the same time? - Masako Tamaki Can you be awake and asleep at the same time? - Masako Tamaki
3 weeks ago En Ru
Discover the phenomenon known as asymmetrical sleep, where parts of an animal's brain are asleep while other areas remain active. -- Many animals need sleep. But all of the threats and demands animals face don’t just go away when it’s time to doze. That’s why a range of birds, mammals, and even humans experience some degree of asymmetrical sleep, where parts of the brain are asleep and other areas are more active. So, how does it work? Masako Tamaki explores how animals' brains remain vigilant even at their most vulnerable. Lesson by Masako Tamaki, directed by Biljana Labović. Animated by Iva Ćirić, designed by Manja Ćirić. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFace
What causes migraines? - Marianne Schwarz What causes migraines? - Marianne Schwarz
3 weeks ago En Ru
Find out what’s happening in the brain when you have a migraine and what we still don’t know about this complex disorder. -- A throbbing, pounding headache. Bright zigzagging lines across your field of vision. Sensitivity to light, lingering fatigue, disrupted sleep. While an incapacitating headache is one of the most common symptoms, a migraine can include any of these experiences. So what exactly is a migraine? And what causes it? Marianne Schwarz explores what we know— and don't know— about this complex disorder. Lesson by Marianne Schwarz, directed by Bálint Gelley, CUB Animation. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/T
Should you donate your DNA to help cure diseases? - Greg Foot Should you donate your DNA to help cure diseases? - Greg Foot
1 month ago En
Discover how scientists are using crowdsourced DNA to find the causes of untreatable diseases, and developing new drug treatments for them. -- When scientists don't know the cause of a medical condition, developing a drug treatment takes significant trial and error, and lots of money— which is why we only have drugs for a small proportion of diseases. Researchers are hoping to change this using crowdsourced DNA. So how does this work, and what do your genes have to do with it? Greg Foot digs into the science of therapeutic targets. Lesson by Greg Foot, directed by Pierangelo Pirak. Produced for TED-Ed by https://www.sciencemedia.studio and NIHR University College London Hospitals Biomedical Research Centre. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our ne
What really happened during the Attica Prison Rebellion - Orisanmi Burton What really happened during the Attica Prison Rebellion - Orisanmi Burton
1 month ago En
Dig into the Attica Prison Rebellion, where prisoners took control of the facility in response to inhumane living conditions, and the violent retaking that followed. -- On September 9th 1971, a spontaneous uprising began in a New York State prison. A group of prisoners overpowered guards, broke windows, started fires, and captured supplies, sparking the Attica Rebellion. Soon, over 1,200 prisoners had assembled with 42 hostages to demand better treatment and better living conditions. Orisanmi Burton details the revolt and deadly retaking of Attica prison. Lesson by Orisanmi Burton, directed by Tomás Pichardo-Espaillat. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook
What’s in the air you breathe? - Amy Hrdina and Jesse Kroll What’s in the air you breathe? - Amy Hrdina and Jesse Kroll
1 month ago En
Together, nitrogen, oxygen and argon make up 99.93% of our air. So what’s the other .07%? Find out what makes up the air you breathe. -- Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you’re breathing were likely exhaled by members of ancient civilizations and innumerable humans since. But what exactly are we all breathing? Amy Hrdina and Jesse Kroll investigate. Lesson by Amy Hrdina and Jesse Kroll, directed by Sharon Colman. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit
How one design flaw almost toppled a skyscraper - Alex Gendler How one design flaw almost toppled a skyscraper - Alex Gendler
1 month ago En
Dig into the unique engineering of New York City’s Citicorp Center tower, and the design flaw that threatened to topple it. -- In 1978, Diane Hartley was writing her undergraduate architecture thesis when she made a shocking discovery. After weeks of poring over the Citicorp Center’s building plans, she’d stumbled on an oversight that threatened to topple the 59-story tower into one of New York City’s most densely populated districts. Alex Gendler digs into the skyscraper’s potentially deadly mistake. Lesson by Alex Gendler, directed by Nicholas Paim, Alopra Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us
Who decides what’s in the dictionary? - Ilan Stavans Who decides what’s in the dictionary? - Ilan Stavans
1 month ago En
Explore the history of the Merriam-Webster Dictionary and find out how old words get redefined and how new words are added. -- While the concept of a dictionary dates back to ancient civilizations, the first English dictionary wasn’t published until 1604. In the centuries that followed, many more dictionaries were written by individual authors who chose what to include or exclude, with most quickly becoming outdated. One 19th century lexicon had a different fate. Ilan Stavans digs into the history of Webster's Dictionary. Lesson by Ilan Stavans, directed by Lisa LaBracio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter
Meet the bluefin tuna, the toughest fish in the sea - Grantly Galland and Raiana McKinney Meet the bluefin tuna, the toughest fish in the sea - Grantly Galland and Raiana McKinney
1 month ago En
Discover the unique adaptations that make the Atlantic bluefin tuna one of the most dominant predators in the ocean. -- What’s as big as a polar bear, swallows its prey whole, and swims at forty miles an hour? It’s not a shark or a killer whale... it’s the Atlantic bluefin tuna— the largest and longest-lived of the 15 tuna species. Its unique set of adaptations make it one of the most dominant predators in the ocean. Grantly Galland and Raiana McKinney detail how these fish go from tiny hatchling to ocean giant. Lesson by Grantly Galland and Raiana McKinney, directed by Anna Benner. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TED
How long should your naps be? - Sara C. Mednick How long should your naps be? - Sara C. Mednick
1 month ago En
Download a free audiobook version of "Take a Nap: Change Your Life" by Sara Mednick or Matthew Walker's "Why We Sleep" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Your eyes get heavy and gradually close… But wait! It’s only lunch time and you still have so much to do. Would taking a nap help? Or would it derail your day? Well, that depends on a few things— especially what stages of sleep the nap includes. Sara C. Mednick details the cognitive benefits of napping, and explores the optimal length and time of day for a quick snooze. Lesson by Sara C. Mednick, directed by Qian Shi. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on T
Demolition, disease, and death: Building the Panama Canal - Alex Gendler Demolition, disease, and death: Building the Panama Canal - Alex Gendler
1 month ago En
Discover what it took to build the Panama Canal, and how this colossal construction project changed the region. -- In the 19th century, the California gold rush brought thousands of settlers to America's west coast. But finding gold may have been easier than transporting it back east. The only hope for avoiding a grueling six month wagon journey was to travel the narrowest portion of the continent — the 48-kilometer Isthmus of Panama. Alex Gendler details the creation of the Panama Canal. Lesson by Alex Gendler, directed by Cabong Studios. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit
Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha
1 month ago En
Practice more problem-solving at https://brilliant.org/TedEd -- According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dungeons full of traps and monsters. If one person were to bring all three together, they could reinvent the world however they saw fit. Can you collect the hexagons before your rival? Dennis E. Shasha shows how. Lesson by Dennis E. Shasha, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstag
How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor
1 month ago En
Explore how wind turbines convert wind into electricity, and the challenges of powering the world entirely with wind energy. -- Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible amount of energy, and is it possible to create a world powered entirely by wind? Rebecca Barthelmie and Sara Pryor dig into the science of wind turbine technology. Lesson by Rebecca J. Barthelmie & Sara C. Pryor, directed by Gavin Edwards, Movult. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter:
How the world’s tallest skyscraper was built - Alex Gendler How the world’s tallest skyscraper was built - Alex Gendler
1 month ago En
Discover the engineering innovations that made building Burj Khalifa, the world’s tallest skyscraper, possible. -- In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the world’s skyscrapers. Five years later, the 828-meter Burj Khalifa was complete, surpassing the previous record-holder by over 60%. What innovations allowed for such a huge leap in height? Alex Gendler digs into the architecture of this unprecedented project. Lesson by Alex Gendler, directed by WOW-HOW Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit
The world’s most painful insect sting - Justin Schmidt The world’s most painful insect sting - Justin Schmidt
1 month ago En Ru
Find out whether a honeybee, a tarantula hawk wasp, or a bullet ant has the most painful insect sting, and what each of their stings feel like. -- One of these three creatures is thought to possess the world’s most painful insect sting: there’s an ant that forages in rainforest canopies, a bee that protects a hive of delectable honey, and a wasp that paralyzes tarantulas. So which has the nastiest sting? Justin Schmidt describes and ranks the pain inflicted by each insect. Lesson by Justin Schmidt, directed by Nicholas Paim, Alopra Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.
Why are airplanes slower than they used to be? - Alex Gendler Why are airplanes slower than they used to be? - Alex Gendler
1 month ago En
Why aren’t commercial flights getting faster? Dig into the technological and environmental problems facing supersonic flight. -- In 1996, a British Airways plane flew from New York to London in a record-breaking two hours and fifty-three minutes. Today, however, passengers flying the same route can expect to spend no less than six hours in the air — twice as long. So why, in a world where everything seems to be getting faster, have commercial flights lagged behind? Alex Gendler details the problems facing supersonic flight. Lesson by Alex Gendler, directed by Zedem Media. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter
Should you be worried about acid rain? - Joseph Goffman Should you be worried about acid rain? - Joseph Goffman
2 months ago En
Discover what causes acid rain, and how scientists were able to largely eliminate this major environmental threat. -- In 1963, scientists studying Hubbard Brook Experimental Forest made a shocking discovery. Their most recent rainfall samples were nearly 100 times more acidic than usual; which could destroy the area’s ecosystems in a matter of decades. What was causing this deadly rainfall? And what could be done to stop it? Joseph Goffman details how scientists transformed this major threat into a minor issue. Lesson by Joseph Goffman, directed by Nick Hilditch. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us o
This tool will help improve your critical thinking - Erick Wilberding This tool will help improve your critical thinking - Erick Wilberding
2 months ago En
Explore the technique known as the Socratic Method, which uses questions to examine a person’s values, principles, and beliefs. -- Socrates, one of the founding fathers of Western philosophical thought, was on trial. Many believed he was an enemy of the state, accusing the philosopher of corrupting the youth and refusing to recognize their gods. But Socrates wasn’t feared for claiming to have all the answers, but rather, for asking too many questions. Erick Wilberding digs into the technique known as the Socratic Method. Lesson by Erick Wilberding, directed by Draško Ivezić. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitt
The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara
2 months ago En
Dig into the incredible fighting, feeding, and flying capabilities of hummingbirds. -- In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an aerial feat no other bird can perform. How do they do it? Kristiina J. Hurme and Alejandro Rico-Guevara explore the incredible flying capabilities of hummingbirds. Lesson by Kristiina J. Hurme and Alejandro Rico-Guevara, directed by Lisa Vertudaches. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep u
Why good ideas get trapped in the valley of death— and how to rescue them Why good ideas get trapped in the valley of death— and how to rescue them
2 months ago En Ru
Explore why zero-carbon technologies are vulnerable to the valley of death in product development and how we can change it. -- All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that’s ok— if they don’t work, don’t fill a need, or for any number of reasons. One of the fields where this problem is most pressing is zero-carbon technologies. Why is it vulnerable to this trap, and can we change it? Explore how to break the cycle of the funding gap. Directed by Lisa LaBracio Animation and art direction by Luísa M H Copetti, Hype CG In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for ou
Can you outsmart the apples and oranges fallacy? - Elizabeth Cox Can you outsmart the apples and oranges fallacy? - Elizabeth Cox
2 months ago En
Dig into the false analogy fallacy, which assumes that because two things share a characteristic, they must be alike in other respects. -- It’s 1997. The United States Senate has called a hearing about global warming. Some expert witnesses point out that past periods in Earth’s history were warmer than the 20th century. Because such variations existed long before humans, they claim the current trend is also the result of natural variation. Can you spot the problem with this argument? Elizabeth Cox explores the false analogy fallacy. Lesson by Elizabeth Cox, directed by TOGETHER. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTw
How to see with sound - Jacques S. Abramowicz How to see with sound - Jacques S. Abramowicz
2 months ago En
Discover how scientists and doctors used bats' ultrasound capabilities as inspiration for SONAR and non-invasive medical procedures. -- In a dark cave, bats can’t see much. But even with their eyes shut, they can navigate rocky topography at incredible speeds. This is because bats aren't just guided by their eyes, but rather, by their ears. It may seem impossible to see with sound, but bats, naval officers, and doctors do it all the time. How is that possible? Jacques S. Abramowicz digs into the unique properties of ultrasound. Lesson by Jacques S. Abramowicz, directed by Sofia Pashaei. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly
A brief history of the devil - Brian A. Pavlac A brief history of the devil - Brian A. Pavlac
2 months ago En
Download a free audiobook version of "Devil in the White City" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Satan, the beast crunching sinners’ bones. Lucifer, the fallen angel. Mephistopheles, the trickster striking deals. These three divergent devils are all based on Satan of the Old Testament. But unlike any of these literary devils, the Satan of the Bible was a relatively minor character. So how did he become the ultimate antagonist, with so many different forms? Brian A. Pavlac investigates. Lesson by Brian A. Pavlac, directed by Reza Riahi & Mehdi Shiri. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.
Why every world map is wrong - Kayla Wolf Why every world map is wrong - Kayla Wolf
2 months ago En
Dig into the inaccuracies of flat maps and how different map designs can shift our point of view. -- Fourteen Greenlands could fit in Africa— but you wouldn’t guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. Actually, it’s impossible to make a flat map of the whole spherical world 100% right. So why do we bother with these inaccurate maps at all? Kayla Wolf explores how even the simplest changes in map design can shift our point of view. Lesson by Kayla Wolf, directed by Hernando Bahamon, Globizco Studios. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagr
Can you solve the fantasy election riddle? - Dennis E. Shasha Can you solve the fantasy election riddle? - Dennis E. Shasha
2 months ago En
Practice more problem-solving at https://brilliant.org/TedEd/​ -- After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will win. There’s a lot riding on this: if you get it wrong, heads— well, your head— will quite literally roll. Can you predict the winner? Dennis Shasha shows how. Lesson by Dennis E. Shasha, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagra
Ugly History: The Spanish Inquisition - Kayla Wolf Ugly History: The Spanish Inquisition - Kayla Wolf
2 months ago En
Dig into the era of the Spanish Inquisition, when the Catholic Church was charged with rooting out and punishing heresy. -- In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish kingdoms. The inquisition quickly turned its attention to ridding the region of people who were not part of the Catholic Church— leading to more than 350 years of ethnic cleansing. Kayla Wolf digs into the persecution and brutality of the Spanish Inquisition. Lesson by Kayla Wolf, directed by Luísa M H Copetti, Hype CG. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter P
What’s the best fuel for your car? What’s the best fuel for your car?
2 months ago En
Dig into which fuel— gasoline, electric, biofuels, or electrofuels— is both affordable for consumers and sustainable for the planet. -- Historically, most cars have run on gasoline, but that doesn’t have to be the case in the future: other liquid fuels and electricity can also power cars. So what are the differences between these options? And which one’s best? Dig into which fuel— gasoline, electric, biofuels, or electrofuels— is both affordable for consumers and sustainable for the planet. Directed by Lisa LaBracio. Animation and art direction by Kevin Herrmann, AIM Creative Studios. In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: h
A brief history of antidepressants - Neil R. Jeyasingam A brief history of antidepressants - Neil R. Jeyasingam
2 months ago En
Dig into the discovery of antidepressant drugs, how they work, and what we still don’t know about depression. -- In the 1950s, the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all— many doctors and scientists believed psychotherapy was the only approach to treatment. Neil R. Jeyasingam details the decades-long journey that followed and how it revolutionized our understanding of depression. Lesson by Neil R. Jeyasingam, directed by Skirmanta Jakaitė, Art Shot. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us
How much land does it take to power the world? How much land does it take to power the world?
2 months ago En
Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use. -- No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nuclear power takes uranium mines, facilities to refine it, a reactor, and a place to store the spent fuel safely. Renewable energy needs wind turbines or solar panels. So how much space would it take to power the whole world? Explore the sustainability of different power sources. Directed by Lisa LaBracio. Animation and art direction by Kevin Herrmann, AIM Creative Studios. In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us -------------------------------------
The incredible, bendable, twistable, expandable elephant trunk - Chase LaDue & Bruce A. Schulte The incredible, bendable, twistable, expandable elephant trunk - Chase LaDue & Bruce A. Schulte
3 months ago En
Discover the incredible ways elephants use their trunks to sense and communicate information and emotion. -- As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But it’s not seeing— it’s sniffing. Containing no bones and an estimated 40,000 muscles, an elephant trunk is one of the most versatile tools in the animal kingdom. Chase LaDue and Bruce Schulte detail the incredible capabilities of these agile appendages. Lesson by Chase LaDue and Bruce A. Schulte, directed by Petya Zlateva. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagr
How does artificial intelligence learn? - Briana Brownell How does artificial intelligence learn? - Briana Brownell
3 months ago En
Explore the three major methods of machine learning, which allows computers to write their own rules to problem solve and process data. -- Today, artificial intelligence helps doctors diagnose patients, pilots fly commercial aircraft, and city planners predict traffic. These AIs are often self-taught, working off a simple set of instructions to create a unique array of rules and strategies. So how exactly does a machine learn? Briana Brownell digs into the three basic ways machines investigate, negotiate, and communicate. Lesson by Briana Brownell, directed by Champ Panupong Techawongthawon. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://b
How much electricity does it take to power the world? How much electricity does it take to power the world?
3 months ago En
Discover how much electricity humanity uses, and how clean energy sources could help revolutionize our energy supply in the future. -- All around the world, millions of people are flipping a switch, plugging in, and pressing an ‘on’ button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes to power the world, and how clean energy sources could help revolutionize our electricity supply. Directed by Lisa LaBracio. Animation and art direction: Vicente Nirõ, AIM Creative Studios In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter F
Las Mariposas: How three sisters defied a dictator - Lisa Krause Las Mariposas: How three sisters defied a dictator - Lisa Krause
3 months ago En
Get to know the story of the Mirabal sisters, who led a revolution against Rafael Trujillo’s dictatorship in the Dominican Republic. -- For over 30 years, thousands of people were imprisoned, tortured, and murdered under Rafael Trujillo’s dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired many, it threatened the man in power, and their lives would come to a tragic early end. Who were these brave women? Lisa Krause tells the story of Las Mariposas. Lesson by Lisa Krause, directed by Tomás Pichardo-Espaillat. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit
How would you finish the sentence, “Imagine if…”? - Sir Ken Robinson How would you finish the sentence, “Imagine if…”? - Sir Ken Robinson
3 months ago En
Share how you would reimagine the world by finishing the sentence “Imagine if…” Visit http://bit.ly/TEDEdImagineIf for inspiration and to learn more. -- Sir Ken Robinson believed that humans have an inexhaustible power: our imaginations. We don't just live in the world as we find it— we use our creativity to mold and reimagine our world with art, scientific theories, and technology. So, how would you choose to reimagine the world? What do we take for granted? What would you change? Remember, the only limit is your own imagination... Lesson by Sir Ken Robinson, directed by Avi Ofer. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDE
Can loud music damage your hearing? - Heather Malyuk Can loud music damage your hearing? - Heather Malyuk
3 months ago En
Dig into the properties of sound to find out just how bad loud music is for your hearing. -- After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it’s tough to make out their voice over the ringing in your ears. But, by the next morning, the effect has mostly worn off. So what caused these symptoms? And can you go to concerts without damaging your ears? Heather Malyuk explores the properties of sound. Lesson by Heather Malyuk, directed by Anne Beal. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEd
The material that could change the world... for a third time The material that could change the world... for a third time
3 months ago En
Explore the role concrete plays in global warming and how scientists are working to create a cleaner, more sustainable concrete. -- Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. There’s three tons of it for every person on Earth. It’s also played a surprisingly large role in rising global temperatures over the last century. So, what exactly makes concrete problematic, and what can we do to fix it? Explore how scientists are working to create a cleaner, more sustainable concrete. Directed by Lisa LaBracio. Animation and art direction by Luísa M H Copetti and Hype CG In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Check out the videos in this series: http://bit.ly/TEDEdClimate Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: ​http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Con
Debunking the myth of the Lost Cause: A lie embedded in American history - Karen L. Cox Debunking the myth of the Lost Cause: A lie embedded in American history - Karen L. Cox
3 months ago En
Examine the myth of the Lost Cause: a campaign created by pro-Confederates after the Civil War to promote the lie that they seceded for state's rights. -- In the 1860’s, 11 southern states withdrew from the United States and formed the Confederacy. They seceded in response to the growing movement for the nationwide abolition of slavery. Yet barely a year after the Civil War ended, southern sources began claiming the conflict was about state’s rights. How did this revisionist history come about? Karen L. Cox examines the cultural myth of the Lost Cause. Lesson by Karen L. Cox, directed by Anton Bogaty. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon​​ Check out our merch: http://bit.ly/TEDEDShop​​ ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter​​ Follow us on Facebook: http://bit.ly/TEDEdFacebook​​ Find us on
Can you solve the demon dance party riddle? - Edwin Meyer Can you solve the demon dance party riddle? - Edwin Meyer
3 months ago En
The only way into the world’s most exclusive club is to solve a challenge from the Demon of Reason. Can you get into the party? -- Once a year, thousands of logicians descend into the desert for Learning Man. At the center of that gathering is the world’s most exclusive club, where under the full moon the annual logician’s rave takes place. The entry is guarded by the Demon of Reason, and the only way in is to solve one of his dastardly challenges. Can you get into the rave? Edwin Meyer shows how. Lesson by Edwin Meyer, directed by Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon​​ Check out our merch: http://bit.ly/TEDEDShop​​ ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter​​ Follow us on Facebook: http://bit.ly/TEDEdFacebook​​ Find us on Twitter: http://bit.ly/TEDEdTwitter​​ Peep us on Inst
The world's biggest battery looks nothing like a battery The world's biggest battery looks nothing like a battery
3 months ago En
Discover the world’s biggest battery and explore how inventors are creating other giant batteries to help power the world— sustainably. -- As of 2020, the world’s biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How can lakes be a battery? Explore how inventors are rethinking what a battery can be, and how these surprising solutions could help us achieve a sustainable future. Directed by Lisa LaBracio. Animation and art direction by Luísa M H Copetti & Hype CG. In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero​ Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon​ Check out our merch: http://bit.ly/TEDEDShop​ ---------------------------------------------- Connect With Us ------------------------------------
Why do we, like, hesitate when we, um, speak? - Lorenzo García-Amaya Why do we, like, hesitate when we, um, speak? - Lorenzo García-Amaya
3 months ago En
Why do we fill pauses in speech with words like “um,” “uh,” and “like”? Dig into the hesitation phenomenon to find out their linguistic significance. -- For as long as we’ve had language, some people have tried to control it. And some of the most frequent targets of this communication regulation are the ums, ers, and likes that pepper our conversations. These linguistic fillers occur roughly 2 to 3 times per minute in natural speech. So are ums and uhs just a habit we can’t break? Or is there more to them? Lorenzo García-Amaya investigates. Lesson by Lorenzo García-Amaya, directed by Yael Reisfeld. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon​​ Check out our merch: http://bit.ly/TEDEDShop​​ ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter​​ Follow us on Facebook: http://bit.ly/TEDEdFacebook​​ Find us on Tw
The “myth” of the boiling frog The “myth” of the boiling frog
3 months ago En
Explore how greenhouse gas emissions impact global warming and why it’s necessary to get emissions down to net zero. -- Since 1850, global average temperatures have risen by 1 degree Celsius. That may not sound like a lot, but it is. Why? 1 degree is an average. Many places have already gotten much warmer and if average temperatures increase one more degree, the coldest nights in the Arctic might get 10 degrees warmer. So how did we get here? And what can be done? Explore the challenges of net zero emissions. Directed by Hype CG and Luísa M H Copetti. In partnership with Bill Gates, inspired by his book "How To Avoid A Climate Disaster": http://bit.ly/PlanForZero Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follo
Can origami save your life? - Evan Zodl Can origami save your life? - Evan Zodl
4 months ago En
Dig into the mathematical rules and patterns of folding origami, the ancient Japanese art of paper folding. -- Origami, which literally translates to “folding paper,” is a Japanese practice dating back to at least the 17th century. In origami, a single, traditionally square sheet of paper can be transformed into almost any shape, purely by folding. The same simple concepts yield everything from a paper crane with about 20 steps, to a dragon with over 1,000 steps. Evan Zodl explores the ancient art form. Lesson by Evan Zodl, directed by Charlotte Arene. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon​ Check out our merch: http://bit.ly/TEDEDShop​ ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter​ Follow us on Facebook: http://bit.ly/TEDEdFacebook​ Find us on Twitter: http://bit.ly/TEDEdTwitter​ Peep us on Inst
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