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Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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How Animals Got Butts

Season 7 Episode 9

While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with redefining what it means to have a butthole at all.

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What Happened To The Other Mesozoic Mammals?
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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.
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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
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What was the first ever drink?
The Mystery of South America's False Horses
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How did the "false horse," Thoatherium, and its relatives survive?
When The Atlantic Ripped Open A Supercontinent
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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?
What Will Earth Be Like 300 Million Years From Now?
9:34
We’re taking a look towards the deep future. After all, the story is far from over.
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