It’s easy to write off our prehistoric ancestors as idiots. When we think of the Stone Age, we usually think of a couple of big, dumb lugs in caves banging rocks together.

But that’s not exactly accurate. Even before we moved into towns and created an alphabet, we could do some pretty impressive things.

Prehistoric cavemen just don’t get many chances to stand up for themselves. Almost all we know about them are what they left in their graves. Even though they didn’t write anything down, though, their bodies let us see what their doctors could do—and some of it is downright incredible.

[Read the full article at Listverse.]