Curiosity is the ultimate discovery tool. It can lead us to dream about the future, or question the world around us, or discover new ideas worth spreading. Ready to sharpen your curiosity this week? Watch the 5 TED-Ed Lessons below [...]

American society often tells restless kids to do two very different things at the same time. Go change the world — but do it in a way that makes us comfortable. Question authority — as long as “authority” lives somewhere [...]

Shakespearean insults, mind-boggling numbers, universal mysteries, and microscopic battles — these topics are just hint of the intellectual expanse covered by the educators and animators in the top ten most viewed Lessons on ed.ted.com. Click any image to view the full Lesson.