TED-Ed

Discover the origins of dragon legends, and find out how geological events could have inspired these stories in ancient civilizations.

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From the Chinese Loong to the Filipino Bakunawa, the Scottish Beithir and the Greek Hydra, dragons have inflamed imaginations for millennia. Their ubiquity across world mythology has led many scholars to ponder their possible origins. Could it be that tales of dragons were crafted to make sense of violent weather events? Timothy J. Burbery shares what geomythology has uncovered about dragons.

Lesson by Timothy J. Burbery, directed by Sailesh Gopalan, Lanlan Studios.

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View full lesson: https://ed.ted.com/lessons/why-do-so-many-cultures-have-dragon-legends-timothy-j-burbery
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Animator's website: https://www.lanlan.in
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Ida B. Wells was an investigative journalist, civil rights leader, and anti-lynching advocate who fought for equality and justice.

Uploaded 04-02-19

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In the late 1800’s, lynchings were happening all over the American South, often without any investigation or consequences for the murderers. A young journalist set out to expose the truth about these killings. Her reports shocked the nation, launched her journalism career and a lifelong pursuit of civil rights. Christina Greer details the life of Ida B. Wells and her tireless struggle for justice.

Lesson by Christina Greer, directed by Anna Nowakowska.

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View full lesson: https://ed.ted.com/lessons/how-one-journalist-risked-her-life-to-hold-murderers-accountable-christina-greer

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Teaching is both a science and an art, and many teachers around the world spend endless hours perfecting their professional practice. At TEDActive 2013, a few teachers from the United States offer some tricks of the trade they've learned (and continue to hone) along the way.

Uploaded 21-06-13

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How do you deal with a bully without becoming a thug? In this wise and soulful talk, peace activist Scilla Elworthy maps out the skills we need -- as nations and individuals -- to fight extreme force without using force in return. To answer the question of why and how non-violence works, she evokes historical heroes -- Aung San Suu Kyi, Mahatma Gandhi, Nelson Mandela -- and the personal philosophies that powered their peaceful protests. (Filmed at TEDxExeter.)

Talk by Scilla Elworthy.

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Explore the physics of how jetpacks fly, and discover the technology that allows pilots to maneuver the engines.

Uploaded 10-02-22

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In 1961, Yuri Gagarin piloted a spacecraft in humanity’s first manned space flight. A week later, Bell Aerosystems debuted a gas-powered rocket pack that could fly 35 meters in 13 seconds. Unfortunately, engineers knew this short flight was all the rocket pack could muster. So why was a massive spacecraft easier to send flying than a single pilot? Richard Browning investigates.

Lesson by Richard Browning and Gravity Industries, directed by Mitch Hearn and Lisa Vertudaches.

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Animator's website: https://www.instagram.com/mitchographer, https://www.mitchhearn.com, https://lisavertudaches.com

Educator's website: https://gravity.co
Check out Gravity Industries on Instagram: https://www.instagram.com/takeongravity
Check out Gravity Industries on YouTube: https://www.youtube.com/c/GravityIndustries
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View full lesson: http://ed.ted.com/lessons/let-s-talk-about-sex-john-bohannon-and-black-label-movement

What would you tell your younger self about sex if you could? (Starting with the big question: Why does it exist in the first place?) Mixing talk and dance, John Bohannon and Black Label Movement explore why sex exists -- and implore adults to talk honestly to the kids in their lives about the confusion and joy of human sexuality.

Talk by John, dance by Black Label Movement, and music by Jelloslave.

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Look into the financial and environmental costs of taking a private jet, and find out what can be done to reduce aviation emissions.

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Across 2023 and 2024, one internationally renowned musician flew their private jet 396 times in 365 days. Figures like this aren’t uncommon among the world’s richest jetsetters— in fact, this frequent flier probably isn’t even the celebrity you’re thinking of. So, what’s the price tag for this high flying lifestyle? Rachel Yang digs into the financial and environmental costs of flying private.

Lesson by Rachel Yang, directed by Laura Jayne Hodkin.

This video made possible in collaboration with Speed & Scale
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Animator's website: https://laurajaynehodkin.com
Music: https://soundgoods.tv
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Dig into the science of how cancer cells grow, and why its rapid cell division is the disease’s strength— but also its weakness.

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How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer's "strength" -- and also its weakness.

Lesson by George Zaidan, animation by TED-Ed.

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View full lesson: http://ed.ted.com/lessons/dna-the-book-of-you-joe-hanson

Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to a detailed manual for building a person out of cells -- with 46 chapters (chromosomes) and hundreds of thousands of pages covering every part of you.

Lesson by Joe Hanson, animation by Nipun.Co Motion Craft.

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Teaching is both a science and an art, and many teachers around the world spend endless hours perfecting their professional practice. At TEDActive 2013, a few teachers from the United States offer some tricks of the trade they've learned (and continue to hone) along the way.

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