TED-Ed - Channels Videos

View full lesson: The things we eat and drink on a daily basis can impact our health in big way...

Explore the science of the phenomenon of “floaters,” those tiny blobs that swim across your field...

View full lesson: The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 t...

Check out our Patreon page: View full lesson: Perpetual motion machines — devices that can do...

View full lesson: Time travel is a staple of science fiction stories, but is it actually possib...

View full lesson: The Great Wall of China is a 13,000-mile dragon of earth and stone that winds...

View full lesson: The biggest challenge in a parasite’s life is to move from one host to anothe...

View full lesson: What do Charles Darwin, Michael Jordan, and Yoda have in common? They, like m...

View full lesson: You already know that a trip to the beach can give you a nasty sunburn, but t...

View full lesson: In August 2012, the Curiosity rover landed on Mars. The landing itself was a ...

View full lesson: Objects that fly faster than the speed of sound (like really fast planes) cre...

View full lesson: Each kind of light has a unique wavelength, but human eyes can only perceive ...