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Dig into the science of avian influenza to find out what makes the H5N1 virus so dangerous, and its potential to jump to humans.

View full lesson: http://ed.ted.com/lessons/could-human-civilization-spread-across-the-whole-galaxy-roey-tzezana Could human ...

Explore the possibilities and challenges of what a vegetarian world could look like if we all immediately stopped eating meat.

Episode 8: Explore what building blocks you need to best explain complex ideas in ways your audience will understand and ...

View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsen It's so obvious that it's practically proverbial: you ...

Check out our Patreon page: https://www.patreon.com/teded View full lesson: ...

At what age are you smartest? Dig into how your brain development affects your skills at different stages of your life. -- Tomorrow ...

View full lesson: http://ed.ted.com/lessons/3-tips-to-boost-your-confidence-ted-ed Made in partnership with the Always #LikeAGirl ...

Dig into the bitter history of kola nuts, a sacred ingredient in West African culture and part of Coca-Cola's original recipe.

Explore different philosophers' ideas on immortality and dig into their theories about the positives and negatives of eternal life.

Download a free audiobook version of "The Boys on the Boat" and support TED-Ed's nonprofit mission: https://adbl.co/2Lf9Pa2 ...

Practice more problem-solving at https://brilliant.org/TedEd -- Once every century, the world's greatest spiders gather to compete ...

View full lesson: http://ed.ted.com/lessons/why-do-we-like-to-scare-ourselves-margee-kerr At this very moment, people are lining ...

Dig into the history of medieval European castles, and explore how the design of these formidable fortresses evolved over time.