Up Next
Back to Show
It's Okay to Be Smart
Why the Heck Are We Ticklish?
Season 8
Episode 8
I’ve explained a lot of weird bodily functions on this show but there’s one that we haven’t covered that’s always confused me: Tickling. What are you for, tickling? What’s the point of you? Why do you exist? Why do you make us laugh even though we hate you? Let’s dig into our evolutionary past to try and find an answer.
Support Provided By
Season
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.
15:07
We learn how spider vision works.
12:44
Let's learn the story of one of the worst natural disasters that’s ever happened!
27:56
We learn about all the reasons that Earth’s climate changes, natural and otherwise.