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

Because we know you've been wondering why your stomach doesn't digest itself. Just when you think you’ve got it all figured out, you discover the FDA allows 13 insect heads per 100 grams of fig paste.

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

Do you ever feel like people can read your mind just by looking at you? Well, they probably can! Only 7% of our communication ...

From trouble sleeping to wimpy muscles, living on board the International Space Station really does a number on the human body. Get to know how your body could react to life in orbit with these 6 fun ...