TED-Ed - Channels Videos

Sign up for our newsletter and never miss an episode: With humor and persistence, filmmaker Mor...

View full lesson: If insects suddenly morphed into large beings and decided to wage war on us, ...

View full lesson: The shape, contents and future of the universe are all intricately related. W...

Why are comments off? We're definitely looking for feedback on this series demo! However, the int...

Computer graphics trailblazer Paul Debevec explains the scene-stealing technology behind Digital ...

View full lesson: The bacteria in our guts can break down food the body can’t digest, produce i...

How do tornadoes form? - James Spann

View full lesson: Tornadoes are the most violent storms on Earth, with wind velocities that can...

View full lesson: In a fun, excited talk, teenager Henry Lin looks at something unexpected in t...

View full lesson: All the stars in a spiral galaxy rotate around a center -- but to astronomers...

Just How Small is an Atom?

Just how small are atoms? And what's inside them? The answers turn out to be astounding, even for...

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View full lesson: You can't help it; sometimes, you just get a bad feeling about someone that's...