TED-Ed

View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendler

Uploaded 12-02-15

The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power, only one has left office as a result. Does Richard Nixon deserve to be remembered for more than the scandal that ended his presidency? Alex Gendler puts this disgraced president’s legacy on trial.

Lesson by Alex Gendler, animation by Brett Underhill.



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Practice more problem-solving at https://brilliant.org/TedEd/

Uploaded 09-01-20

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After years of war, the world’s kingdoms have come to an agreement. Every five years, teams representing the elves, goblins, and treefolk will compete in a grand tournament of dragon jousting. You have the important job of recording the scores for the inaugural tournament. But, you overslept and the games are already underway. Can you figure out the real score of each match? Alex Gendler shows how.

Lesson by Alex Gendler, directed by Artrake Studio.

This riddle is adapted from a puzzle that originally appeared in Puzzles for Pleasure, by E.R. Emmet.

Animator's website: https://www.artrake.com
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View full lesson: https://ed.ted.com/lessons/can-you-solve-the-dragon-jousting-riddle-alex-gendler

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Find out what’s happening in the brain when you have a migraine and what we still don’t know about this complex disorder.

Uploaded 17-05-21

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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.

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View full lesson: https://ed.ted.com/lessons/what-causes-migraines-marianne-schwarz
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Animator's website: http://cubanimation.com/en/about
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Thank you so much to our patrons for your support! Without you this video would not be possible! Erica Guerrero, Richard Manklow, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon, Aleksandar Donev, Nicole Klau Ibarra, Milo Vermeulen, Ryan Weiler, Jesse Lira, Ezekiel Raui, Itay Levi, Zongpu Kou, Cameron Chakraverty, Petr Vacek, Rhys Patterson, Dennis, Olivia Fu, Katrina Adams, Regina Post, Mary Collins, Kari Teffeau, clumsybunnie, Adam Leos, Jeremy Laurin, Cindy Lai, Liz, Bhargav Pandravada, Rajath Durgada Manjunath, Dan Nguyen, sarim haq, Chin Beng Tan, Alejandro Gomez, Tom Boman, Karen Warner, Isorn Sookwanish, Iryna Panasiuk, Diane Gallin, Aaron Torres, Vasundhar, Eric Braun, Denka Wee, Daru Bhargav, Sonja Worzewski, Amy, Michael Clement, Ghaith Tarawneh, Nathan Milford and Tomas Beckett.



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Like an actor's script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated, but once you've gotten the hang of a few simple elements like notes, bars and clefs, you're ready to rock. Tim Hansen hits the instrumental basics you need to read music.

Uploaded 18-07-13

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View full lesson: http://ed.ted.com/lessons/climate-change-earth-s-giant-game-of-tetris-joss-fong

Uploaded 22-04-14

There's a game of Tetris happening on a global scale: The playing space is planet Earth, and all those pesky, stacking blocks represent carbon dioxide -- a greenhouse gas that is piling up ever more rapidly as we burn the fossil fuels that run our cars, factories and power plants. Joss Fong outlines how this overload of CO2 leads to climate change and reminds us that, unlike Tetris, we won't get an opportunity to start over and try again.

Lesson by Joss Fong, animation by Provincia Studio.



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Download a free audiobook version of "Hallucinations" and support TED-Ed's nonprofit mission: https://adbl.co/2Kpt43k

Uploaded 26-06-18

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View full lesson: https://ed.ted.com/lessons/what-causes-hallucinations-elizabeth-cox

A condition called Charles Bonnet Syndrome can cause blind patients to hallucinate scenes in vivid color. fMRI studies show that these hallucinations activate the same brain areas as sight — areas that are not activated by imagination. Other hallucinations also involve the same brain areas as real sensory experiences. What's going on? Elizabeth Cox details the science of hallucinations.

Lesson by Elizabeth Cox, directed by Nerdo.

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View full lesson: http://ed.ted.com/lessons/pruney-fingers-a-gripping-story-mark-changizi

Why do fingers become pruney when they get wet? Likely, for the same reasons that tires have treads. Mark Changizi examines the evolutionary reasons for pruney fingers, while exploring natural and manmade phenomena, like river networks, that operate similarly.

Lesson by Mark Changizi, animation by Lippy.

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We have all changed someone's life -- usually without even realizing it. In this funny talk, Drew Dudley calls on all of us to celebrate leadership as the everyday act of improving each other's lives. (Filmed at TEDxToronto.)

Uploaded 15-08-13

Talk by Drew Dudley.



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Discover how scientists are using crowdsourced DNA to find the causes of untreatable diseases, and developing new drug treatments for them.

Uploaded 13-05-21

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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.

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View full lesson: https://ed.ted.com/lessons/should-you-donate-your-dna-to-help-cure-diseases-greg-foot
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Animator's website: https://www.pomonapictures.com
Educator's website: https://www.gregfoot.com
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Download a free audiobook version of "Sapiens" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed

Uploaded 22-09-20

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In the past 3,000 years, many populations have evolved genetic adaptations to their local environments. People in Siberia and the high arctic are uniquely adapted to survive extreme cold. The Bajau people can dive 70 meters and stay underwater for almost 15 minutes. So what are other recent changes? And will our technological innovations impact our evolution? Laurence Hurst investigates.

Lesson by Laurence Hurst, directed by Philip Piaget and Rikke Planeta.

Animator's website: https://www.ouros.net
Producer's website: https://animationworkshop.via.dk/
Sound designer's website: http://aimcreativestudios.com/
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View full lesson: https://ed.ted.com/lessons/is-human-evolution-speeding-up-or-slowing-down-laurence-hurst

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