Skip to main content
Donate

Up Next

Where Are All The Squid Fossils?

Where Are All The Squid Fossils?

Season 3 Episode 45
7:21
Did These Giant Sloths Poop Themselves to Death?

Did These Giant Sloths Poop Themselves to Death?

Season 4 Episode 1
10:01
The Traits That Spawned the Age of Mammals

The Traits That Spawned the Age of Mammals

Season 4 Episode 2
7:44
The Island of the Last Surviving Mammoths

The Island of the Last Surviving Mammoths

Season 4 Episode 3
8:06
Where Are All the Medium-Sized Dinosaurs?

Where Are All the Medium-Sized Dinosaurs?

Season 4 Episode 4
11:01
How the Starfish Got Its Arms

How the Starfish Got Its Arms

Season 4 Episode 5
10:53
The Creature That Stumped Darwin

The Creature That Stumped Darwin

Season 4 Episode 6
6:46
How Pollination Got Going Twice

How Pollination Got Going Twice

Season 4 Episode 7
9:32
How a Supervolcano Ignited an Evolutionary Debate

How a Supervolcano Ignited an Evolutionary Debate

Season 4 Episode 8
9:59
How a Mass Extinction Event Created the Amazon

How a Mass Extinction Event Created the Amazon

Season 4 Episode 9
7:55
When Mammals Only Went Out At Night

When Mammals Only Went Out At Night

Season 4 Episode 10
11:09
How Ancient Whales May Have Changed the Deep Ocean

How Ancient Whales May Have Changed the Deep Ocean

Season 4 Episode 11
10:05
Back to Show
Eons

How Weasels Got Skinny

Season 3 Episode 44

Weasels have an extreme body plan that may push the boundaries of what’s metabolically possible. So when and how did this happen? Why'd the weasels get so skinny?
Stream on your TV
Support Provided By
When a Tiny Land Bridge Triggered an Ice Age
10:27
Season 8 Episode 8
When a Tiny Land Bridge Triggered an Ice Age
Understanding the Isthmus of Panama.
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.
Show more
Active loading indicator