Skip to Main Content
Watch Senate Chambers Watch House Chambers

Do Chins Make Us Human?

You share a trait with every single human who's ever lived – but no other animal on Earth has it. It's not your big brain, or your opposable thumbs... it's actually this little shelf on your face that we call a chin. And here's the thing: we're not totally sure why it exists.
Season 8 Episode 3 Length 12:07 Premiere: 10/07/25

Recent Episodes

Sponsored by:

Specials

Season 8 Episodes

The Fiery Rise of Flowering Plants
S8 E11 Length 10:45 Premiere Date 02/10/26

When Ancient Weeds Fooled Us
S8 E10 Length 11:37 Premiere Date 01/27/26

How Brawn Led to Brains
S8 E9 Length 12:14 Premiere Date 01/13/26

When a Tiny Land Bridge Triggered an Ice Age
S8 E8 Length 10:27 Premiere Date 12/17/25

What Was Greenland Like When it Was Green
S8 E7 Length 09:07 Premiere Date 12/02/25

How Chewing May Have Beat Extinction
S8 E6 Length 09:35 Premiere Date 11/18/25

How We Figured Out an Asteroid Killed the Dinosaurs
S8 E5 Length 10:43 Premiere Date 11/04/25

Crawling Out Of The Water Was An Evolutionary Accident
S8 E4 Length 08:19 Premiere Date 10/21/25

Do Chins Make Us Human?
S8 E3 Length 12:07 Premiere Date 10/07/25

The Golden Age of Sharks
S8 E2 Length 12:40 Premiere Date 09/23/25

That Time Earth was Sticky
S8 E1 Length 10:45 Premiere Date 09/09/25

See All Episodes

caret down

TV Schedules

Upcoming

No upcoming airdates

Recent

No recent airdates

Explore KET