Skip to main content

Up Next

No Single Cradle of Humankind

No Single Cradle of Humankind

Season 6 Episode 19
10:46
What's the Oldest Beverage

What's the Oldest Beverage

Season 7 Episode 3
11:55
How The Elephant Got Its Trunk

How The Elephant Got Its Trunk

Season 7 Episode 4
11:53
Featured Videos

How the Himalayas Changed the World

Season 7 Episode 6
10:04
Where Did the Moon Come From?

Where Did the Moon Come From?

Season 7 Episode 5
10:50
The Dinosaurs That Evolution Forgot

The Dinosaurs That Evolution Forgot

Season 7 Episode 7
9:19
How Animals Got Butts

How Animals Got Butts

Season 7 Episode 9
12:10
When the Amazon Flowed Backwards

When the Amazon Flowed Backwards

Season 7 Episode 10
11:25
Back to Show
Eons

The Hazy Evolution of Cannabis

Season 6 Episode 18

How did such a strange plant like cannabis come to be in the first place? When and where did we first domesticate it? And why oh why does it get us high?

Support Provided By
Season
The 40 Million-Year-Old Ecosystem In Your Mouth
8:14
Dental calculus is the only part of your body that actually fossilizes while you're alive!
Why The Paleo Diet Couldn't Save The Neanderthals
9:17
Here's why these skilled toolmakers, hunters, and foragers' population disappeared.
When It Was Too Hot for Leaves
10:11
For the first 80 million years of plants' existence, leaves didn't exist. Here's why.
How Dinosaurs Coupled Up
7:49
We learn about Dinosaur mating behavior from fossil records.
How Ancient Whales May Have Changed the Deep Ocean
10:05
Here's how the evolution of ocean-going whales affected deep-ocean communities.
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.
Active loading indicator