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That Time the American West Blew Up

That Time the American West Blew Up

Season 5 Episode 15
9:57
The Hidden Genes That Make Us Human

The Hidden Genes That Make Us Human

Season 5 Episode 16
9:11
Nautiloids Thrived For 500 Million Years Until They Appeared

Nautiloids Thrived For 500 Million Years Until They Appeared

Season 5 Episode 17
9:54
We Were Wrong About The Dodo

We Were Wrong About The Dodo

Season 5 Episode 18
7:16
When Plants Doubled Their DNA

When Plants Doubled Their DNA

Season 5 Episode 19
8:52
It's Becoming Very Clear That Birds Are Not Normal

It's Becoming Very Clear That Birds Are Not Normal

Season 5 Episode 20
8:40
The Invisible Barrier Keeping Two Worlds Apart

The Invisible Barrier Keeping Two Worlds Apart

Season 5 Episode 21
8:03
A Natural History of Mars

A Natural History of Mars

Season 5 Episode 22
11:03
Why The Giraffe Got Its Neck

Why The Giraffe Got Its Neck

Season 6 Episode 1
9:01
We Helped Make Mosquitoes A Problem

We Helped Make Mosquitoes A Problem

Season 6 Episode 2
8:10
Did a Tsunami Swallow Part of Europe?

Did a Tsunami Swallow Part of Europe?

Season 6 Episode 3
8:03
That Time The Ocean Lost (Almost) All Its Oxygen

That Time The Ocean Lost (Almost) All Its Oxygen

Season 6 Episode 4
9:31
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Eons

How a Mass Extinction Changed Our Brains

Season 5 Episode 14

During one of the most pivotal moments in our evolutionary story our brains actually shrank relative to our bodies.
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How Chewing May Have Beat Extinction
9:35
Season 8 Episode 6
How Chewing May Have Beat Extinction
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
How We Figured Out an Asteroid Killed the Dinosaurs
10:43
Season 8 Episode 5
How We Figured Out an Asteroid Killed the Dinosaurs
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Crawling Out Of The Water Was An Evolutionary Accident
8:19
Season 8 Episode 4
Crawling Out Of The Water Was An Evolutionary Accident
Fish evolved terrestrial traits to...stay fish?
Do Chins Make Us Human?
12:07
Season 8 Episode 3
Do Chins Make Us Human?
We're the only ones with chins, and we don't know why.
The Golden Age of Sharks
12:40
Season 8 Episode 2
The Golden Age of Sharks
Why did sharks get so incredibly diverse and odd during the Golden Age?
Darwin's Unexpected Final Obsession
12:12
Season 7 Episode 21
Darwin's Unexpected Final Obsession
What was Charles Darwin really obsessed with?
Are All Oceans Basically Reincarnated?
12:29
Season 7 Episode 20
Are All Oceans Basically Reincarnated?
Did you know ocean basins are reincarnated?
Could This Sperm Whale Eat The Meg?
8:36
Season 7 Episode 19
Could This Sperm Whale Eat The Meg?
How did such a large predator survive?
When Red Pandas Roamed North America
9:41
Season 7 Episode 18
When Red Pandas Roamed North America
How did a relative of the red panda end up in North America?
Webs vs wings: The arms race of the air
8:10
Season 7 Episode 17
Webs vs wings: The arms race of the air
How did the competition of spiders vs insects drive them both into the air?
The Graveyard at the Center of the Earth
12:38
Season 7 Episode 16
The Graveyard at the Center of the Earth
Why plate tectonics don't make sense.
Why Wasn't There A Second Age of Reptiles?
9:59
Season 7 Episode 15
Why Wasn't There A Second Age of Reptiles?
Why was it the mammals who triumphed?
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