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FAQs From Our First Year

FAQs From Our First Year

Season 1 Episode 48
9:20
When Insects First Flew

When Insects First Flew

Season 1 Episode 49
8:38
When Fish Wore Armor

When Fish Wore Armor

Season 1 Episode 51
9:37
When Birds Had Teeth

When Birds Had Teeth

Season 1 Episode 52
11:29
When We First Walked

When We First Walked

Season 1 Episode 57
10:56
Did Raptorex Really Exist?

Did Raptorex Really Exist?

Season 1 Episode 58
12:27
Can We Get DNA From Fossils?

Can We Get DNA From Fossils?

Season 1 Episode 59
11:22
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Eons

How the T-Rex Lost Its Arms

Season 1 Episode 47

Tyrannosaurus rex was big, Tyrannosaurus rex was vicious, and Tyrannosaurus rex had tiny arms. The story of how T-Rex lost its arms is, itself, pretty simple. But the story of why it kept those little limbs, and how it used them? Well, that’s a little more complicated.

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Here's how the evolution of ocean-going whales affected deep-ocean communities.
When Mammals Only Went Out At Night
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Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
How a Mass Extinction Event Created the Amazon
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The history of how the Amazon's revolution began in just one day.
How a Supervolcano Ignited an Evolutionary Debate
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Discover the effects of the Toba supervolcano.
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Pollination by insects actually got going twice.
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How the Starfish Got Its Arms
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The Story of How the Starfish Got its Arms Reminds us that Animals have Deep Histories.
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11:01
Learn More about the Very Rare Medium-Sized Dinosaurs.
The Island of the Last Surviving Mammoths
8:06
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.
The Traits That Spawned the Age of Mammals
7:44
Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All.
Did These Giant Sloths Poop Themselves to Death?
10:01
Find out if Sloths Really Did Poop Themselves to Death.
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