Back to Show
It's Okay to Be Smart
Evolution Fails in the Human Body
Season 7
Episode 26
The human body is full of design flaws. Except they aren’t really design flaws, because the human body wasn’t designed. It was evolved, and it is still evolving. And that means some of our parts don’t work as well as they could, they just work well enough. Here’s a rundown of a few of the human body’s biggest evolutionary fails!
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

10:16
Eating turkey this holiday season? You’re eating a dinosaur!

6:08
The edge of everything might not even exist…

7:41
The 1918 Flu outbreak killed 5% of the world's population--could it happen again?

5:30
Scientists have discovered the largest river on Earth, and it’s in the sky above.

6:40
Teeth are made from some biological nanotechnology that will blow your mind.

5:24
Raindrops are shaped like teardrops, right? Wrong! Let's discover rain's true shape.

6:07
Turns out the inheritance of height is a lot more complicated than we thought.

6:33
Ever wondered why restaurants warn you about raw or undercooked seafood on their menus?

5:48
Got a bad habit you can’t break? That’s because it’s literally wired into your brain.

6:05
The answer led me to new knowledge about human development.

8:03
From anatomy to genes, here are some stories of how you got to be the way you are.

4:20
Why do we cry? It’s weird.