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Do Chins Make Us Human?

Season 8 Episode 3 | 12m 07s

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.

Aired: 10/06/25
Why did sharks get so incredibly diverse and odd during the Golden Age?
What exactly made this time period so very, very sticky?
What was Charles Darwin really obsessed with?
Did you know ocean basins are reincarnated?
How did such a large predator survive?
How did a relative of the red panda end up in North America?
How did the competition of spiders vs insects drive them both into the air?
Why plate tectonics don't make sense.
Why was it the mammals who triumphed?
What do mountains reveal about primates?