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The wars that inspired Game of Thrones - Alex Gendler
 
06:01
View full lesson: http://ed.ted.com/lessons/the-wars-that-inspired-game-of-thrones-alex-gendler Beginning around 1377, medieval England was shaken by a power struggle between two noble families, which spanned generations and involved a massive cast of characters, complex motives and shifting loyalties. Sound familiar? Alex Gendler illustrates how the historical conflict known as the Wars of the Roses served as the basis for much of the drama in Game of Thrones. Lesson by Alex Gendler, animation by Brett Underhill.
Views: 4675836 TED-Ed
What makes muscles grow? - Jeffrey Siegel
 
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View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow. Jeffrey Siegel illustrates how a good mix of sleep, nutrition and exercise keep your muscles as big and strong as possible. Lesson by Jeffrey Siegel, animation by Brett Underhill.
Views: 8324422 TED-Ed
The benefits of a bilingual brain - Mia Nacamulli
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/how-speaking-multiple-languages-benefits-the-brain-mia-nacamulli It’s obvious that knowing more than one language can make certain things easier — like traveling or watching movies without subtitles. But are there other advantages to having a bilingual (or multilingual) brain? Mia Nacamulli details the three types of bilingual brains and shows how knowing more than one language keeps your brain healthy, complex and actively engaged. Lesson by Mia Nacamulli, animation by TED-Ed.
Views: 5424449 TED-Ed
The tragic myth of Orpheus and Eurydice - Brendan Pelsue
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-tragic-myth-of-orpheus-and-eurydice-brendan-pelsue The marriage of Orpheus, the greatest of all poets and musicians, to Eurydice, a wood nymph, was heralded as the perfect union. Anyone could tell the couple was deeply in love. So when their wedding ceremony ended in Eurydice's untimely death, Orpheus had no choice but to venture into the underworld to try to reclaim his lost love. Brendan Pelsue shares the tragic myth of Orpheus and Eurydice. Lesson by Brendan Pelsue, animation by Anton Bogaty. Thank you so much to our patrons for your support! Without you this video would not be possible! Silas Schwarz, Fabio Peters, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Michael Aquilina, Joanne Luce, Henry Li, Elias Wewel, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Rishi Pasham, Jhuval , SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, ilya bondarik, maxi kobi einy, Runarm , Misaki Sato, Peter Koebel, Levi Cook, Alex Kongkeo, Craig Sheldon, Andrew Bosco and Catherine Sverko.
Views: 3388515 TED-Ed
What makes tattoos permanent? - Claudia Aguirre
 
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View full lesson: http://ed.ted.com/lessons/what-makes-tattoos-permanent-claudia-aguirre The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That's some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last? Claudia Aguirre details the different methods, machines and macrophages (you'll see) that go into making tattoos stand the test of time. Lesson by Claudia Aguirre, animation by TOGETHER.
Views: 3455958 TED-Ed
The myth of Prometheus - Iseult Gillespie
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-prometheus-iseult-gillespie Before the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight, persuaded his brother Epimetheus to fight with him on the side of the Gods. Iseult Gillespie shares the myth of Prometheus. Lesson by Iseult Gillespie, directed by Léa Krawczyk. Thank you so much to our patrons for your support! Without you this video would not be possible. Yalda A., Susan Herder, Andrew Bosco, Craig Sheldon, Javier Aldavaz, Bruno Pinho, Rishi Pasham, Nick Johnson, Alex Kongkeo, Levi Cook, Peter Koebel, Misaki Sato, Runarm, Maxi Kobi Einy, Ilya Bondarik, Darren Toh, Bozhidar Karaargirov, Boytsov Ilya, Marc Veale, Rodrigo Carballo, Humberto A OjedaGomez, Daniel Day, SookKwan Loong, Jhuval, Nik Maier.
Views: 3768989 TED-Ed
What would happen if you didn’t sleep? - Claudia Aguirre
 
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View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-sleep-claudia-aguirre In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily harm. Claudia Aguirre shows what happens to your body and brain when you skip sleep. Lesson by Claudia Aguirre, animation by TED-Ed.
Views: 6409019 TED-Ed
Does time exist? - Andrew Zimmerman Jones
 
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Download a free audiobook version of "A Brief History of Time" and support TED-Ed's nonprofit mission: https://adbl.co/2NWYjAh Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-brief-history-of-time View full lesson: https://ed.ted.com/lessons/does-time-exist-andrew-zimmerman-jones The earliest time measurements were observations of cycles of the natural world, using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came along to put time in more convenient boxes. But what exactly are we measuring? Andrew Zimmerman Jones contemplates whether time is something that physically exists or is just in our heads. Lesson by Andrew Zimmerman Jones, directed by Nice Shoes. Thank you so much to our patrons for your support! Without you this video would not be possible! Chung Wah Gnapp, Andrew Sprott, Jane White, Ayan Doss, BRENDAN NEALE, Lawrence Teh Swee Kiang, Alex Pierce, Nick Cozby, Jeffrey Segrest, Anthony Arcis, Ugur Doga Sezgin, Kathryn Vacha, Allyson Martin, Srinivasa C Pasumarthi, 张晓雨, Ann Marie Reus, Nishant Suneja, Javier Lara Rosado, Jerry Yang, Shubham Arora, Sebastian Regez, Danielle Downs, Clovis Norroy, Liz Candee, Vinh-Thuy Nguyen, Amy Lopez, SANG HAN, Aries SW, Sebastiaan Hols, Grimes Gregory, João Henrique Rodrigues, Michael Lucke, Annastasshia Ames, Claudia Hernandez Chavarria, Livia-Alexandra Sarban, Lee, Karthik Balsubramanian, Mathew Samuel, Turine Tran, Ido brown, Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ and Latora Slydell.
Views: 1756078 TED-Ed
How blood pressure works - Wilfred Manzano
 
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View full lesson: http://ed.ted.com/lessons/how-blood-pressure-works-wilfred-manzano If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s tissues. What effect does this pressure have on the walls of the blood vessels? Wilfred Manzano gives the facts on blood pressure. Lesson by Wilfred Manzano, animation by Fox Animation Domination High-Def.
Views: 2518485 TED-Ed
What makes something "Kafkaesque"? - Noah Tavlin
 
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View full lesson: http://ed.ted.com/lessons/what-makes-something-kafkaesque-noah-tavlin The term Kafkaesque has entered the vernacular to describe unnecessarily complicated and frustrating experiences, especially with bureaucracy. But does standing in a long line to fill out confusing paperwork really capture the richness of Kafka’s vision? Beyond the word’s casual use, what makes something "Kafkaesque"? Noah Tavlin explains. Lesson by Noah Tavlin, animation by TED-Ed.
Views: 3553385 TED-Ed
A brie(f) history of cheese - Paul Kindstedt
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brie-f-history-of-cheese-paul-s-kindstedt Before empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. As early as 8000 BCE, Neolithic farmers began a legacy of cheesemaking almost as old as civilization. Today, the world produces roughly 22 billion kilograms of cheese a year, shipped and consumed around the globe. Paul Kindstedt shares the history of one of our oldest and most beloved foods. Lesson by Paul S. Kindstedt, directed by Charlotte Cambon. Thank you so much to our patrons for your support! Without you this video would not be possible! Nick Johnson, Won Jang, Johnnie Graham, Junjie Huang, Harshita Jagdish Sahijwani, Amber Alexander, Yelena Baykova, Laurence McMillan, John C. Vesey, Karmi Nguyen, Chung Wah Gnapp, Andrew Sprott, Jane White, Ayan Doss, BRENDAN NEALE, Lawrence Teh Swee Kiang, Alex Pierce, Nick Cozby, Jeffrey Segrest, Anthony Arcis, Ugur Doga Sezgin, Kathryn Vacha, Allyson Martin, Srinivasa C Pasumarthi, 张晓雨, Ann Marie Reus, Nishant Suneja, Javier Lara Rosado, Jerry Yang, Shubham Arora, Sebastian Regez, Danielle Downs, Clovis Norroy, Liz Candee, Vinh-Thuy Nguyen, Amy Lopez, SANG HAN, Aries SW, Sebastiaan Hols, Grimes Gregory, João Henrique Rodrigues, Michael Lucke, Annastasshia Ames, Claudia Hernandez Chavarria, Livia-Alexandra Sarban, Lee , Karthik Balsubramanian, Mathew Samuel, Turine Tran and Ido brown.
Views: 2530252 TED-Ed
How to practice effectively...for just about anything - Annie Bosler and Don Greene
 
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View full lesson: http://ed.ted.com/lessons/how-to-practice-effectively-for-just-about-anything-annie-bosler-and-don-greene Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us perform with more ease, speed, and confidence. But what does practice actually do to make us better at things? Annie Bosler and Don Greene explain how practice affects the inner workings of our brains. Lesson by Annie Bosler and Don Greene, animation by Martina Meštrović.
Views: 4763990 TED-Ed
The immortal cells of Henrietta Lacks - Robin Bulleri
 
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View full lesson: http://ed.ted.com/lessons/the-immortal-cells-of-henrietta-lacks-robin-bulleri Imagine something small enough to float on a particle of dust that holds the keys to understanding cancer, virology, and genetics. Luckily for us, such a thing exists in the form of trillions upon trillions of human, lab-grown cells called HeLa. But where did we get these cells? Robin Bulleri tells the story of Henrietta Lacks, a woman whose DNA led to countless cures, patents, and discoveries. Lesson by Robin Bulleri, animation by Brandon Denmark.
Views: 2363251 TED-Ed
Schrödinger's cat: A thought experiment in quantum mechanics - Chad Orzel
 
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View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment. Lesson by Chad Orzel, animation by Agota Vegso.
Views: 3332583 TED-Ed
The great conspiracy against Julius Caesar - Kathryn Tempest
 
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View full lesson: http://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempest On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60 of his own senators. Why did these self-titled Liberators want him dead? And why did Brutus, whose own life had been saved by Caesar, join in the plot? Kathryn Tempest investigates the personal and political assassination of Julius Caesar. Lesson by Kathryn Tempest, animation by Brett Underhill.
Views: 4005701 TED-Ed
The myth of Arachne  - Iseult Gillespie
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-arachne-and-athena-iseult-gillespie From sailors who were turned into pigs, nymphs that sprouted into trees, and a gaze that converted the beholder to stone, Greek mythology brims with shape-shifters. The powerful Gods usually changed their own forms at will - but for mortals, the mutations were often unwanted. Iseult Gillespie shares how one such unnerving transformation befell the spinner Arachne. Lesson by Iseult Gillespie, animation by Mette Ilene Holmriis. Thank you so much to our patrons for your support! Without you this video would not be possible! Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, Mary Sawyer, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, Silas Schwarz, Fabio Peters, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Michael Aquilina, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Rishi Pasham, Jhuval , SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, ilya bondarik, maxi kobi einy, Runarm , Misaki Sato, Levi Cook, and Alex Kongkeo.
Views: 4494828 TED-Ed
Why incompetent people think they're amazing - David Dunning
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-incompetent-people-think-they-re-amazing-david-dunning How good are you with money? What about reading people’s emotions? How healthy are you, compared to other people you know? Knowing how our skills stack up against others is useful in many ways. But psychological research suggests that we’re not very good at evaluating ourselves accurately. In fact, we frequently overestimate our own abilities. David Dunning describes the Dunning-Kruger effect. Lesson by David Dunning, directed by Wednesday Studio, music and sound by Tom Drew. Thank you so much to our patrons for your support! Without you this video would not be possible! Juan, Jordan Tang, Kent Logan, Alexandra Panzer, Jen, Ellen Spertus, Ryan Mehendale, Mary Sawyer, Scott Gass, Ruth Fang, Mayank Kaul, Hazel Lam, Tan YH, Be Owusu, Samuel Doerle, David Rosario, Katie Winchester, Michel Reyes, Dominik Kugelmann, Siamak H, Stephen A. Wilson, Manav Parmar, Jhiya Brooks, David Lucsanyi, Querida Owens.
Views: 4303309 TED-Ed
Can you solve the prisoner hat riddle? - Alex Gendler
 
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View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler Want more? Try the buried treasure riddle: https://www.youtube.com/watch?v=tCeklW2e6_E You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they’re not sure whether you qualify, so they decide to give you all a test. Can you solve this hat riddle? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.
Views: 14953237 TED-Ed
The myth of Icarus and Daedalus - Amy Adkins
 
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View full lesson: http://ed.ted.com/lessons/the-myth-of-icarus-and-daedalus-amy-adkins In mythological ancient Greece, Icarus flew above Crete on wings made from wax and feathers, defying the laws of man and nature. To witnesses on the ground, he looked like a god, and he felt like one too. But, in his society, the line that separated god from man was absolute, and the punishment for mortals who attempted to cross it was severe. Amy Adkins explains the myth of Icarus and Daedalus. Lesson by Amy Adkins, animation by TED-Ed.
Views: 3787360 TED-Ed
Why don't perpetual motion machines ever work? - Netta Schramm
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-machines-ever-work-netta-schramm Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not? Netta Schramm describes the pitfalls of perpetual motion machines. Lesson by Netta Schramm, animation by TED-Ed.
Views: 7564114 TED-Ed
The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala
 
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View full lesson: http://ed.ted.com/lessons/the-egyptian-book-of-the-dead-tejal-gala Ancient Egyptians believed that in order to become immortal after death, a spirit must first pass through the underworld — a realm of vast caverns, lakes of fire, and magical gates. Needless to say, one needed to come prepared. But how? Tejal Gala describes an Egyptian "Book of the Dead" -- a customized magic scroll written by the living to promote a smooth passage to the afterlife when they died. Lesson by Tejal Gala, animation by Silvia Prietov.
Views: 3166983 TED-Ed
The rise and fall of the Berlin Wall - Konrad H. Jarausch
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-berlin-wall-konrad-h-jarausch On August 13, 1961, construction workers began tearing up streets and erecting barriers in Berlin. This night marked the beginning of one of history’s most infamous dividing lines: the Berlin Wall. Construction continued for a decade as the wall cut through neighborhoods, separated families, and divided not just Germany, but the world. Konrad H. Jarausch details the history of the Berlin Wall. Lesson by Konrad H. Jarausch, directed by Remus & Kiki.
Views: 3808981 TED-Ed
Why are sloths so slow? - Kenny Coogan
 
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View full lesson: http://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioral adaptations that allow sloths to be so slow. Lesson by Kenny Coogan, animation by Anton Bogaty.
Views: 2831203 TED-Ed
The myth of Thor's journey to the land of giants - Scott A. Mellor
 
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Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2om4O4Q Check out Neil Gaiman's "Norse Mythology": http://bit.ly/2opZptA View full lesson: https://ed.ted.com/lessons/the-myth-of-thor-s-journey-to-the-land-of-giants-scott-a-mellor Thor – son of Odin, god of thunder, and protector of mankind – struggled mightily against his greatest challenge yet: opening a bag of food. How had the mighty god fallen so far? Scott Mellor tells the myth of Thor's journey to Utgard. Lesson by Scott A. Mellor, animation by Rune F.B. Hansen. Thank you so much to our patrons for your support! Without you this video would not be possible! Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Sarah Lundegaard, Charlsey, Anna-Pitschna Kunz, Tim Armstrong, Alessandro, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Znosheni Kedy, Caitlin de Falco, Scheherazade Kelii, Errys, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Alexandrina Danifeld, Danny Romard, Yujing Jiang, Stina Boberg, Mariana Ortega, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovič, Chris Adriaensen, Lowell Fleming, Lorenzo Margiotta, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Rachel Birenbaum, Vijayalakshmi, Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Thien Loc Huynh, Bogdan Alexandru Stoica, Hector Quintanilla, PH Chua, Raheem, and Varinia Bohoslavsky.
Views: 3898962 TED-Ed
Why do cats act so weird? - Tony Buffington
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-do-cats-act-so-weird-tony-buffington They’re cute, they’re lovable, and judging by the 26 billion views on over 2 million YouTube videos of them, one thing is certain: cats are very entertaining. But their strange feline behaviors, both amusing and baffling, leave many of us asking: Why do cats do that? Tony Buffington explains the science behind some of your cat’s strangest behaviors. Lesson by Tony Buffington, animation by Chintis Lundgren.
Views: 6574711 TED-Ed
The psychology of narcissism - W. Keith Campbell
 
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View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell, animation by TOGETHER.
Views: 5342226 TED-Ed
The benefits of good posture - Murat Dalkilinç
 
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View full lesson: http://ed.ted.com/lessons/the-benefits-of-good-posture-murat-dalkinic Has anyone ever told you, “Stand up straight!” or scolded you for slouching at a family dinner? Comments like that might be annoying—but they’re not wrong. Your posture is the foundation for every movement your body makes and can determine how well your body adapts to the stresses on it. Murat Dalkilinç gives the pros of good posture. Lesson by Murat Dalkilinç, animation by Nadav Arbel.
Views: 5238544 TED-Ed
Can you solve the temple riddle? - Dennis E. Shasha
 
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View full lesson: http://ed.ted.com/lessons/can-you-solve-the-temple-riddle-dennis-e-shasha Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an hour before it empties, and a rumbling tells you that you don’t want to be around when that happens. Can you use math to escape the temple? Dennis E. Shasha shows how. Lesson by Dennis E. Shasha, animation by Artrake Studio.
Views: 6873302 TED-Ed
Can you solve the bridge riddle? - Alex Gendler
 
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View full lesson: https://ed.ted.com/lessons/can-you-solve-the-bridge-riddle-alex-gendler Want more? Try the buried treasure riddle: https://www.youtube.com/watch?v=tCeklW2e6_E Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn’t so smart either. But now is not the time for regrets because you need to get away from these mutant zombies...fast. Can you use math to get you and your friends over the bridge before the zombies arrive? Alex Gendler shows how. Lesson by Alex Gendler, animation by Artrake Studio.
Views: 14762341 TED-Ed
The myth of Sisyphus - Alex Gendler
 
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Download a free audiobook version of "Man's Search for Meaning" and support TED-Ed's nonprofit mission: https://adbl.co/2z7JGWx Check out our full book recommendation: https://bit.ly/2JYUn1y Sisyphus was both a clever ruler who made his city prosperous, and a devious tyrant who seduced his niece and killed visitors to show off his power. While his violation of the sacred hospitality tradition greatly angered the gods, it was Sisyphus’ reckless confidence that proved to be his downfall -- resulting in Zeus condemning him for all eternity. Alex Gendler shares the myth of Sisyphus. Lesson by Alex Gendler, directed by Adriatic Animation. Thank you so much to our patrons for your support! Without you this video would not be possible! Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, Nicolas Silva, Melvin Williams, Tirath Singh Pandher, Terry Minion, Mauricio Basso, Jamesbo87 , Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Prefer Anonymous, Chris Thompson, Derek Drescher, Karisa Caudill, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Max Ngomane, Rafael Kato, Jen O'Hogan, Renu Balak, JY Kang, Anastasiia, Madee Lo, Arpita Singh, Karl Laius, Barbarossa, Tu-Anh Nguyen, Guy Hardy, Sebastiaan Vleugels, Joel Alfonso, Derya Goekcay, Brandy Sarver, Jose Arcadio Valdes Franco, Akinola Emmanuel, igor romanenko, Dian Atamyanov, Abhishek Bansal and Austin Randall.
Views: 1950522 TED-Ed
The science of attraction - Dawn Maslar
 
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View full lesson: http://ed.ted.com/lessons/the-science-of-attraction-dawn-maslar Romantic chemistry is all about warm, gooey feelings that gush from the deepest depths of the heart...right? Not quite. Actually, the real boss behind attraction is your brain, which runs through a very quick, very complex series of calculations when assessing a potential partner. Dawn Maslar explores how our five senses contribute to this mating game, citing some pretty wild studies along the way. Lesson by Dawn Maslar, animation by TOGETHER.
Views: 3991638 TED-Ed
How smart are dolphins? - Lori Marino
 
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View full lesson: http://ed.ted.com/lessons/how-smart-are-dolphins-lori-marino Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino details some incredible facts about dolphins. Lesson by Lori Marino, animation by Zedem Media.
Views: 1680316 TED-Ed
Why are some people left-handed? - Daniel M. Abrams
 
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View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution. Lesson by Daniel M. Abrams, animation by TED-Ed.
Views: 4686370 TED-Ed
History’s deadliest colors - J. V. Maranto
 
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View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn’t until much later that we realized that radium’s harmful effects outweighed its visual benefits. Unfortunately, radium isn’t the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details history’s deadliest colors. Lesson by J. V. Maranto, animation by Juan M. Urbina.
Views: 3464293 TED-Ed
From slave to rebel gladiator: The life of Spartacus - Fiona Radford
 
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Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radford Spartacus was a slave -- one of millions taken from territories conquered by Rome to work the mines, till the fields or fight for a crowd’s entertainment. Imprisoned for deserting the Roman Army, he and other slaves fought their way free and started a rebellion. How did a slave become synonymous with freedom and courage? Fiona Radford delves into the life and legend of Spartacus. Lesson by Fiona Radford, directed by Kozmonot Animation Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid , emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Latora Slydell, Sydney Evans, Victor E Karhel, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Zhexi Shan, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Heather Slater, Dr Luca Carpinelli, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Ricardo Paredes, David Douglass, Grant Albert, Jen, Megan Whiteleather, Mayank Kaul, Ryohky Araya, Tan YH, Ph.D., Brittiny Elman, Kostadin Mandulov, Yanuar Ashari, Mrinalini , Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Siamak H and Dominik Kugelmann.
Views: 1749304 TED-Ed
How Thor got his hammer - Scott A. Mellor
 
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Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/how-thor-got-his-hammer-scott-a-mellor Loki the mischief-maker, writhes in Thor’s iron grip. The previous night, he’d snuck up on Thor’s wife and shorn off her beautiful hair. To fix what he’d done, Loki rushes to the dwarves and tricks them into making gifts for the gods. Wanting to best their smith rivals, the dwarves make a set of golden treasures, including a hammer called Mjolnir. Scott A. Mellor traces the legend of Thor’s hammer. Lesson by Scott A. Mellor, directed by Remus and Kiki. Thank you so much to our patrons for your support! Without you this video would not be possible! Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Siamak H, Dominik Kugelmann, Mary Sawyer, David Rosario, Samuel Doerle, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Dawn Jordan, Kevin Wong, Goh Xiang Ting Diana, Cristóbal Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Rishi Pasham, Jhuval , SookKwan Loong, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Boytsov Ilya, EdoKun, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman and Gilly.
Views: 4945449 TED-Ed
The myth of Pandora’s box - Iseult Gillespie
 
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Find out how students can share their ideas as TED Talks here: http://bit.ly/2zpAQUc View full lesson: https://ed.ted.com/lessons/the-myth-of-pandora-s-box-iseult-gillespie Pandora was the first mortal woman, breathed into being by Hephaestus, god of fire. The gods gave her gifts of language, craftsmanship and emotion. From Zeus she received two gifts: the trait of curiosity and a heavy box screwed tightly shut -- never to be opened. But what treasure could never be seen by human eyes, and why was it in her care? Iseult Gillespie explores the mystery of Pandora’s box. Lesson by Iseult Gillespie, directed by Silvia Prietov. Thank you so much to our patrons for your support! Without you this video would not be possible! Antony Lee, Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Páez, Jørgen Østerpart, Karla Brilman, Cindy O., Nicu Boanda, Reagen O'Connor, Sabrina Gonzalez, Dino Biancolini, FAWWAZ GHUWAIDI, Hadi Salahshour, Clement, Sarah Burns, Abdullah Altuwaijri, Jessie McGuire, Divina Grace Dar Santos, Brian Richards, Farah Abdelwahab, Joe Meyers, Mikhail Shkirev, Raphaël LAURENT, Malcolm Callis, Sweetmilkcoco, David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt and Joe Huang.
Views: 2255619 TED-Ed
How batteries work - Adam Jacobson
 
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View full lesson: http://ed.ted.com/lessons/why-batteries-die-adam-jacobson Batteries are a triumph of science—they allow smartphones and other technologies to exist without anchoring us to an infernal tangle of power cables. Yet even the best batteries will diminish daily, slowly losing capacity until they finally die. Why does this happen, and how do our batteries even store so much charge in the first place? Adam Jacobson gives the basics on batteries. Lesson by Adam Jacobson, animation by FOX Animation Domination High-Def.
Views: 1158594 TED-Ed
The treadmill's dark and twisted past - Conor Heffernan
 
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View full lesson: http://ed.ted.com/lessons/the-treadmill-s-dark-and-twisted-past-conor-heffernan The constant thud underneath your feet. The constrained space. The monotony of going nowhere fast. Running on a treadmill can certainly feel like torture, but did you know it was originally used for that very purpose? Conor Heffernan details the dark and twisted history of the treadmill. Lesson by Conor Heffernan, animation by Yukai Du.
Views: 2210527 TED-Ed
The myth of Hercules: 12 labors in 8-bits - Alex Gendler
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-hercules-12-labors-in-8-bits-alex-gendler Hercules — son of Zeus and champion of humankind — stricken with a temporary curse of madness, has just committed the most unspeakable crime imaginable. Seeking to atone for the deaths of his family, Hercules must complete twelve impossible tasks that pit him against invincible monsters and unfathomable forces. Alex Gendler retells this epic series of adventures. Lesson by Alex Gendler, directed by Jérémie Balais & Jeff Le Bars. Thank you so much to our patrons for your support! Without you this video would not be possible! Elizabeth Parker, Sai Krishna Koyoda, Samuel Barbas, Maxwell Ingram, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Barbara Younker, Cyrus Garay, Yvette Mocete, Mike Azarkman, Patricia Alves Panagides, William Biersdorf, Michael Aquilina, Vinamr , FireWolfLasers , Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam Dadkhah, Joshua Wasniewski, Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, Denison Martins Fernandes, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei and Abdallah Absi.
Views: 2201758 TED-Ed
Why do blood types matter? - Natalie S. Hodge
 
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View full lesson: http://ed.ted.com/lessons/why-do-blood-types-matter-natalie-s-hodge It’s often said that despite humanity’s many conflicts, we all bleed the same blood. It’s a nice thought, but not quite accurate. In fact, our blood comes in a few different varieties. Natalie S. Hodge defines the four major blood types and sheds light on why some bloods can mix while others cannot. Lesson by Natalie S. Hodge, animation by Brad Purnell.
Views: 1508593 TED-Ed
Who were the Vestal Virgins, and what was their job? - Peta Greenfield
 
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View full lesson: http://ed.ted.com/lessons/who-were-the-vestal-virgins-and-what-was-their-job-peta-greenfield In ancient Rome, Vestal Virgins were tasked with keeping vigil over the flame of Vesta, the virgin goddess of the hearth. The flame represented two things: the continuation of Rome as a power in the world and the continuing virginity of Vesta’s priestesses. But what was life really like for these Vestal Virgins? Peta Greenfield goes back in time to find out. Lesson by Peta Greenfield, animation by Kozmonot Animation Studio.
Views: 4727209 TED-Ed
The incredible history of China's terracotta warriors - Megan Campisi and Pen-Pen Chen
 
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View full lesson: http://ed.ted.com/lessons/the-incredible-history-of-china-s-terracotta-warriors-megan-campisi-and-pen-pen-chen In 1974, farmers digging a well near their small village stumbled upon one of the most important finds in archaeological history – vast underground chambers surrounding a Chinese emperor’s tomb that contained more than 8,000 life-size clay soldiers ready for battle. Megan Campisi and Pen-Pen Chen shares the fascinating history of Emperor Qin Shi Huang. Lesson by Megan Campisi and Pen-Pen Chen, animation by Zedem Media.
Views: 2400411 TED-Ed
The rise and fall of the Byzantine Empire - Leonora Neville
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-byzantine-empire-leonora-neville Most history books will tell you that the Roman Empire fell in the fifth century CE, but this would’ve come as a surprise to the millions who lived in the Roman Empire through the Middle Ages. This Medieval Roman Empire, today called the Byzantine Empire, began when Constantine, the first Christian emperor, moved Rome's capital. Leonora Neville details the rise and fall of the Byzantine Empire. Lesson by Leonora Neville, animation by Remus & Kiki. Thank you so much to our patrons for your support! Without you this video would not be possible! Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, Vinicius Lhullier, Connor Wytko, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jose Schroeder, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Govind Shukla, Srikote Naewchampa, Ex Foedus, Sage Curie, Exal Enrique Cisneros Tuch, Vignan Velivela, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3 , Аркадий Скайуокер, Milad Mostafavi, Singh Devesh Sourabh, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Sarah Yaghi, Benedict Chuah, Karthik Cherala, haventfiguredout, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, and Cas Jamieson.
Views: 1933713 TED-Ed
Meet the tardigrade, the toughest animal on Earth - Thomas Boothby
 
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View full lesson: http://ed.ted.com/lessons/meet-the-tardigrade-the-toughest-animal-on-earth-thomas-boothby Without water, a human can only survive for about 100 hours. But there’s a creature so resilient that it can go without it for decades. This 1-millimeter animal can survive both the hottest and coldest environments on earth, and can even withstand high levels of radiation. Thomas Boothby introduces us to the tardigrade, one of the toughest creatures on Earth. Lesson by Thomas Boothby, animation by Boniato Studio.
Views: 3016406 TED-Ed
What would happen if you didn’t drink water? - Mia Nacamulli
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-drink-water-mia-nacamulli Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration. Lesson by Mia Nacamulli, animation by Chris Bishop.
Views: 7469861 TED-Ed
How sugar affects the brain - Nicole Avena
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/how-sugar-affects-the-brain-nicole-avena When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation. Lesson by Nicole Avena, animation by STK Films.
Views: 7336491 TED-Ed
Why sitting is bad for you - Murat Dalkilinç
 
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View full lesson: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilinc Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinç investigates the hidden risks of sitting down. Lesson by Murat Dalkilinç, animation by Oxbow Creative.
Views: 4093036 TED-Ed
Can you solve the locker riddle? - Lisa Winer
 
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View full lesson: http://ed.ted.com/lessons/can-you-solve-the-locker-riddle-lisa-winer Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to you, but he knew that if he did, your relatives would pester you forever. Can you solve the riddle he left for you and get the inheritance? Lisa Winer shows how. Lesson by Lisa Winer, animation by Artrake Studio.
Views: 7172622 TED-Ed
What is the tragedy of the commons? - Nicholas Amendolare
 
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-the-tragedy-of-the-commons-nicholas-amendolare Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior that explains some of history’s biggest problems. Nicholas Amendolare describes the tragedy of the commons. Lesson by Nicholas Amendolare, directed by TED-Ed. Thank you so much to our patrons for your support! Without you this video would not be possible. Brandy Jones, John Ess, Jessica James, Tom Lee, Stephen Michael Alvarez, Hoang Ton, Jason Weinstein, Juliana, Alexander Walls, Kris Siverhus, Abhijit Kiran Valluri, Morgan Williams, Annamaria Szilagyi, Sama aafghani, Hannah Beth, Peter Owen, Mandeep Singh, سلطان الخليفي, Vinicius Lhullier, Marylise CHAUFFETON, Connor Wytko, Quinn Shen, Joshua Plant, Jayant Sahewal, Marvin Vizuett.
Views: 1231699 TED-Ed