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When Crocs Thrived in the Seas

When Crocs Thrived in the Seas

Season 3 Episode 41
9:08
How To Survive the Little Ice Age

How To Survive the Little Ice Age

Season 3 Episode 42
10:00
When Trees Took Over the World

When Trees Took Over the World

Season 3 Episode 43
7:28
How Weasels Got Skinny

How Weasels Got Skinny

Season 3 Episode 44
9:01
Where Are All The Squid Fossils?

Where Are All The Squid Fossils?

Season 3 Episode 45
7:21
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
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Eons

How Chilis Got Spicy (and Why We Love the Burn)

Season 3 Episode 40

Today, chilis are the most widely cultivated spice crop in the world - grown everywhere from their native home in the Americas to Europe, Africa, and Asia. But how and why did chilis evolve this weird, fiery trick in the first place? And why did we learn to love that spicy burn?

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A Brief History of Geologic Time
12:08
Geologists have been able to identify crucial episodes in life’s history.
An Illustrated History of Dinosaurs
12:20
Our image of dinosaurs has been constantly changing since naturalists started studying the
When Whales Walked
4:56
We know whales as graceful giants bound to the sea.
Living Fossils' Aren't Really a Thing
5:05
Even the most ancient-looking organisms show us that evolution is always at work.
When The Earth Was Purple
5:37
But imagine a time when the Earth looked a little … purple.
How Did Dinosaurs Get So Huge?
5:42
Creatures as tall as a five-story buildings shook the Earth.
History's Most Powerful Plants
5:20
Fossil fuels are made from the remains of extinct organisms.
The Age of Giant Insects
5:28
Insects and other arthropods weren’t always so small.
The Strange Case of the Buzzsaw Jaws
3:54
A 270-million-year-old sea creature called Helicoprion that once swam the seas.
The Extinction That Never Happened
7:36
Natural history is full of living things that were long thought to have gone extinct only
Dimetrodon: Our Most Unlikely Ancestor
5:21
Take a close look and you might see a little bit of yourself.
The Biggest Thing That Ever Flew
4:27
Today, we’re familiar with two types of flying vertebrates -- birds and bats.
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