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The Hazy Evolution of Cannabis

The Hazy Evolution of Cannabis

Season 6 Episode 18
10:18
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
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Eons

What Was The Earliest Surgery?

Season 6 Episode 16

When did practicing medicine - in its varied, complex forms (from sharing medicinal plants to the earliest surgeries) - become something that we actually started doing? While it’s a hard question to answer, it’s possible that our tendency to heal one another might have been with us for even longer than we've been human.

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Season
How A Geological Event Created The Ultimate Cat
9:11
How did Homotherium evolve to be so successful? The answer may lie in the rise of the Tibetan plate.
Did These Feathered Wings Evolve to Be Scary?
10:16
The mystery of what non-flying dinosaurs were doing with their feathered wings has a new hypothesis.
We Can't Remember What Giant Sloths Were Like
11:45
What did ancient people once know about these bizarre megafauna that we’ve since forgotten?
Did These Mammoths Dig Their Own Grave?
7:44
5,700 years ago, woolly mammoths crossed a remote tundra island off Alaska.
When Fish (Finally) Conquered the Deep Sea
9:48
Why did vertebrates conquer both the land and the air before the depths of the sea?
Why Do Humans Age Fast?
8:27
Long-extinct dinosaurs may still haunt us—possibly driving us to age faster than any vertebrate.
When the Earth Had Supermountains
9:34
Only twice in Earth's history have supermountains risen, and both times reshaped life forever.
Does The World's Most Famous Dinosaur Have The Wrong Name?
12:32
Was the T-Rex given the wrong name?
Did Ancient Storms Kill These Pterosaurs?
10:05
500+ pterosaur fossils found at Solnhofen may be hiding a dark secret distorting our view of them.
Sensitive Teeth? Blame This Fish
11:08
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.
The Fiery Rise of Flowering Plants
10:45
For flowering plants to take over, they first helped burn the old world—and then put the fires out.
When Ancient Weeds Fooled Us
11:37
Ancient weeds mimicked crops, tricking farmers into domesticating friends—and enemies—by mistake.
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