Have you ever given any extra thought to your stomach lining or the bones in your skull or pondered whether double uteruses ...

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 ...

19. The largest known prime number contains 41,024,320 digits. 20. Frogs breathe and drink through their skin. 21. A bullet ...

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 ...