If you think you know your own body, you probably don't. Most of us are walking around with hidden features we'll never notice. There's a reason your nose runs when you cry, and it's weirder than ...

While we tend to think we know ourselves pretty well, the human body still has all sorts of ways to surprise us. The truth is that we’re pretty complicated organisms, where a lot can go wrong (or ...

You and your body have a bit of a "need to know" relationship. And apparently, you don't need to know much. While you're busy ...

is a miraculous machine, and these days we can actually peer inside ourselves to watch it work. Tonight's National Geographic special takes advantage of the newest medical imaging procedures to help ...

The human body is often described as a marvel of “perfect design”: elegant, efficient and finely tuned for its purpose. Yet, when we look closer, a rather different picture emerges. Far from being a ...