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How the Squid Lost Its Shell

How the Squid Lost Its Shell

Season 1 Episode 38
8:05
How the Chalicothere Split In Two

How the Chalicothere Split In Two

Season 1 Episode 39
7:03
The Age of Reptiles in Three Acts

The Age of Reptiles in Three Acts

Season 1 Episode 40
10:45
The Weird, Watery Tale of Spinosaurus

The Weird, Watery Tale of Spinosaurus

Season 1 Episode 41
7:28
Where Did Viruses Come From?

Where Did Viruses Come From?

Season 1 Episode 45
7:29
When Fish First Breathed Air

When Fish First Breathed Air

Season 1 Episode 46
8:40
Dinosaurs

How the T-Rex Lost Its Arms

Season 1 Episode 47
6:54
FAQs From Our First Year

FAQs From Our First Year

Season 1 Episode 48
9:20
When Insects First Flew

When Insects First Flew

Season 1 Episode 49
8:38
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Eons

What Was the Ancestor of Everything?

Season 1 Episode 37

The search for our origins go back to a single common ancestor -- one that remains shrouded in mystery. It’s the ancestor of everything we know and today scientists call it the last universal common ancestor, or LUCA.

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Is This The Oldest Dad In The Fossil Record?
6:37
Diictodon used burrows to breed and a male parent may have stayed behind to feed it.
The Curious Case of the Cave Lion
8:09
Large feline roamed Eurasia and Its fossils have been found across the continent.
When Ants Domesticated Fungi
9:05
Ants have been farming for 60 million years! We explore how, when and why they started.
The Ancient Human Species With A Missing Body
7:56
Would it really be impossible for us to reconstruct their morphology?
Why Sour May Be The Oldest Taste
7:02
Sour used to be the taste of danger. But, now its role has reversed.
How the Smallest Animal Got So Simple
6:52
This tiny, simple animal, the Myxozoans, evolved from something bigger and more complex.
The Extreme Hyenas That Didn't Last
7:50
Only a few million years ago, Hyenas lived very different lives from what we know today.
The Sudden Rise of the First Colossal Animal
8:44
A truly enormous ichthyosaur reached its size within just a few million years.
When a Giant Pterosaur Ruled the European Islands
8:50
The giant pterosaur's occupied the empty Hateg Island.
Why We Only Have Ten Toes (It's a Long Story)
9:12
We learn why all mammals today, from humans to bats, have five fingers or fewer.
How Horses Went From Food To Friends
6:32
With evidence from from art, archaeology, and ancient DNA, we put together horses history.
How Vertebrates Got Teeth... And Lost Them Again
8:52
Here's why teeth would go on to disappear in some groups of vertebrate.
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