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The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
How Worm Holes Ended Wormworld

How Worm Holes Ended Wormworld

Season 3 Episode 38
9:42
When Crocs Thrived in the Seas

When Crocs Thrived in the Seas

Season 3 Episode 41
9:08
How To Survive the Little Ice Age

How To Survive the Little Ice Age

Season 3 Episode 42
10:00
When Trees Took Over the World

When Trees Took Over the World

Season 3 Episode 43
7:28
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Eons

The Bear-Sized Beaver That Couldn’t Build A Dam

Season 3 Episode 31

It’s important to us that you understand how big this beaver was. Just like modern beavers, it was semiaquatic -- it lived both on the land and in the water. The difference is that today’s beavers do a pretty special thing - one that the giant beaver probably didn’t, or couldn’t, do.

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When Mammals Only Went Out At Night
11:09
Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
How a Mass Extinction Event Created the Amazon
7:55
The history of how the Amazon's revolution began in just one day.
How a Supervolcano Ignited an Evolutionary Debate
9:59
Discover the effects of the Toba supervolcano.
How Pollination Got Going Twice
9:32
Pollination by insects actually got going twice.
The Creature That Stumped Darwin
6:46
The Toxodon fossils help reveal the mystery surrounding evolution.
How the Starfish Got Its Arms
10:53
The Story of How the Starfish Got its Arms Reminds us that Animals have Deep Histories.
Where Are All the Medium-Sized Dinosaurs?
11:01
Learn More about the Very Rare Medium-Sized Dinosaurs.
The Island of the Last Surviving Mammoths
8:06
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.
The Traits That Spawned the Age of Mammals
7:44
Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All.
Did These Giant Sloths Poop Themselves to Death?
10:01
Find out if Sloths Really Did Poop Themselves to Death.
Where Are All The Squid Fossils?
7:21
Solve the Mystery of Where All Squid Fossils Are.
How Weasels Got Skinny
9:01
Find Out Why and How Weasels Push the Limits on What is Metabolically Possible.
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