This World

By TedEd Discover what colors are the most rare to see in nature, and how physics and evolution drive their […]

By TedEd Your favorite athlete closes in for a win; the crowd holds its breath, and at the crucial moment

By TedEd How do you get what you want, using just your words? Aristotle set out to answer exactly that

By TedEd Explore the circular reasoning fallacy, which occurs when the end of an argument comes back to the start

By TedEd Get to know the story of the Three Sisters, and what we can learn about sustainably growing food

By TedEd Trace the ancient history of the pigeon, and discover how these birds became one of the most abundant

By TedEd Learn how to spot some of the most common signs of emotional abuse and what you can do

By TedEd Trace the history of ketchup, from the condiment’s origins in 3rd century China to becoming a staple of

By TedEd Trace the history of coffee, from its first known origins to its rise in popularity due to trade