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When Sharks Swam the Great Plains

When Sharks Swam the Great Plains

Season 2 Episode 5
11:45

When Apes Conquered Europe

Season 2 Episode 6
8:08
When Humans Were Prey

When Humans Were Prey

Season 2 Episode 8
9:21
How Blood Evolved (Many Times)

How Blood Evolved (Many Times)

Season 2 Episode 9
9:56
The Humans That Lived Before Us

The Humans That Lived Before Us

Season 2 Episode 10
11:52
The Island of Shrinking Mammoths

The Island of Shrinking Mammoths

Season 2 Episode 11
11:20
The Giant Bird That Got Lost in Time

The Giant Bird That Got Lost in Time

Season 2 Episode 15
8:33
When We First Made Tools

When We First Made Tools

Season 2 Episode 16
9:08
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Eons

How Sloths Went From the Seas to the Trees

Season 2 Episode 4

The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?

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How Plate Tectonics Transformed Los Angeles
12:34
The epic saga of Los Angeles' natural history is still visible and even striking.
When Giant Millipedes Reigned
7:02
Let's explore how and why this millipede became this big!
Giant Viruses Blur The Line Between Alive and Not
9:19
In 2003, microbiologists made this huge discovery.
Something Has Been Making This Mark For 500 Million Years
9:42
Paleodictyon, a hexagonal-patterned fossil, is a bit of a mystery. What could it be?
We Can “Bring Back” The Woolly Mammoth. Should We?
6:40
We may have found the blueprints for building them ourselves.
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.
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