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Where Did Viruses Come From?

Where Did Viruses Come From?

Season 1 Episode 45
7:29
When Fish First Breathed Air

When Fish First Breathed Air

Season 1 Episode 46
8:40
Dinosaurs

How the T-Rex Lost Its Arms

Season 1 Episode 47
6:54
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
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Eons

That Time It Rained for Two Million Years

Season 1 Episode 43

At the beginning of the Triassic Period, with the continents locked together from pole-to-pole in the supercontinent of Pangea, the world is hot, flat, and very, very dry. But then 234 million years ago, the climate suddenly changed for the wetter.

Season
A Short Tale About Diplodocus' Long Neck
9:18
Long necks gave sauropods an advantage when it came to food, but not in the way you think.
How South America Made the Marsupials
9:51
Throughout the Cenozoic Era marsupials flourished all over South America.
The Giant Dinosaur That Was Missing a Body
12:00
Other than its bizarre arms, very little material from this dinosaur had been found.
The Neanderthals That Taught Us About Humanity
9:09
Neanderthals actually behaved -- and likely thought and felt -- a lot like we do.
That Time the Mediterranean Sea Disappeared
11:10
How could a body of water as big as the Mediterranean just...disappear?
The Fuzzy Origins of the Giant Panda
8:20
The Fuzzy Origins of the Giant Panda
The Forgotten Story of the Beardogs
9:37
Beardogs are key to understanding an important branch of the mammal family tree.
Why Male Mammoths Lost the Game (w/ TierZoo!)
11:02
Why do most remains of mammoths found in the fossil record turn out to be male?
When Giant Hypercarnivores Prowled Africa
9:17
Hyaenodonts gave the world some of its largest terrestrial carnivorous mammals ever known.
How We Domesticated Cats (Twice)
7:47
How we domesticated cats twice.
Were These Monsters Inspired by Fossils?
12:18
Were these monsters inspired by fossils?
When Hobbits Were Real
9:10
Was it its own species? Or was it really just one of us?
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