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

13:58
The secret physics at the core of every syllable, starting with the first words we speak.

9:56
The glow from faster-than-light particles gives us a unique way to explore the universe.

10:40
A mysterious and highly impactful phenomenon that scientists are still learning about.

9:10
Countershading is everywhere, and it may be nature’s most successful form of camouflage.

12:59
Global warming means more air conditioning…causing more warming 🤦. Could new chemistry he

14:49
How does iridescence work? From rainbow bubbles to beautiful birds, bugs, and gemstones.

11:53
Under house arrest in Egypt, one mathematician transformed how we examine the world.

8:32
Animals as simple as bees and as complex as you and me and have fun too!

13:10
We explore why embarrassment has lasted through evolution and its function.

13:49
We are in search of the blackest black things on Earth and why.

14:24
Knowing exactly what a “second” is is more complicated than you might think!

13:41
The secret is In order to know WHERE you are, you need to first know WHEN you are.