Skip to main content

Up Next

The Story of the Dino Stampede

The Story of the Dino Stampede

Season 3 Episode 13
10:43
The Biggest Frog that Ever Lived

The Biggest Frog that Ever Lived

Season 3 Episode 14
7:05
The Dinosaur Who Was Buried at Sea

The Dinosaur Who Was Buried at Sea

Season 3 Episode 15
12:11
How We Figured Out Fermentation

How We Figured Out Fermentation

Season 3 Episode 16
9:20
The Oddest Couple in the Fossil Record

The Oddest Couple in the Fossil Record

Season 3 Episode 17
8:48
The Sea Monster from the Andes

The Sea Monster from the Andes

Season 3 Episode 19
6:27
How Plants Became Carnivores

How Plants Became Carnivores

Season 3 Episode 22
9:48
How Ankylosaurs Got Their Clubs

How Ankylosaurs Got Their Clubs

Season 3 Episode 23
7:52
Back to Show
Eons

How the Walrus Got Its Tusks

Season 3 Episode 12

The rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. And while there are parts of the story that we’re still trying to figure out, it looks like tusks didn’t have anything to do with how or what these animals ate.

Support Provided By
Season
How Animals Got Butts
12:10
Did you know the evolution of the butthole was a major breakthrough in animal development?
What Happened To The Other Mesozoic Mammals?
12:28
Learn about the complicated the history of mammals and their disappearance.
The Dinosaurs That Evolution Forgot
9:19
Where are all the east coast dinosaurs?
Where Did the Moon Come From?
10:50
Where did our moon come from? The origin is even stranger than you may imagine.
Featured Videos
10:04
The Himalayas changed everything.
How The Elephant Got Its Trunk
11:53
What led to the creation of the trunk?
What's the Oldest Beverage
11:55
What was the first ever drink?
The Mystery of South America's False Horses
9:45
How did the "false horse," Thoatherium, and its relatives survive?
When The Atlantic Ripped Open A Supercontinent
10:21
Did you know volcanoes created the Atlantic Ocean that we know today?
The Second Time Sponges Took Over The World
8:04
Learn about how researchers have discovered a piece of a weird, but critical, time in the deep past…
No Single Cradle of Humankind
10:46
Maybe there wasn’t just one so-called "cradle of humankind"?
The Hazy Evolution of Cannabis
10:18
How did such a strange plant like cannabis come to be in the first place?
Active loading indicator