Your body is with you 24/7. But how often do you actually stop to think about what it’s doing? Probably not much—and honestly, that’s for the best. Because the more you dig into how it really works, ...

Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we ...

WATCH OUR OTHER VIDEOS: 25 Body Features Not Everyone Has: 25 Facts That Are Surprisingly Scientifically Proven: Picture the scene. Youre telling your grandkids some cool facts about biology, and they ...