14:19

How Animals Got Butts

54:24

Could You Survive The Carboniferous Period?

14:01

What Happened To The Other Mesozoic Mammals?

50:46

Could You Survive The Ordovician Period?

11:01

The Dinosaurs That Evolution Forgot

43:51

Could You Survive The Cambrian Explosion?

11:31

How the Himalayas Changed the World

55:11

Could You Survive The Devonian Period? (with Hank Green!)

01:30

Introducing “Eons: Surviving Deep Time"

12:54

When Earth "Ate" A Planet

13:27

How The Elephant Got Its Trunk

13:25

What Was The First Beverage?

11:43

The Mystery of South America's False Horses

12:38

When India Was An Island

12:13

When The Atlantic Ripped Open A Supercontinent

10:24

The Second Time Sponges Took Over The World

12:27

There's No Single Cradle of Humankind

12:17

The Hazy Evolution of Cannabis

11:56

What Will Earth Be Like 300 Million Years From Now?

09:39

How Long Have We Been Caring For Each Other?

11:34

How Snake Venom Sparked An Evolutionary Arms Race

13:57

Why Is It So Hard to Tell the Sex of a Dinosaur?

14:13

Animals Might Be Much Older Than We Thought

12:21

Our Most Mysterious Extinct Cousins

10:48

How Ancient Microbes Rode Bug Bits Out to Sea

13:12

Why Only Earth Has Fire

08:46

Beans And Bees Gave Us Butterflies

10:43

The Huge Extinctions We Are Just Now Discovering

10:47

When Did We Stop Being Naked?

09:55

Do Thunderbeasts Prove Giant Animals Are Inevitable?

11:17

You're Living On An Ant Planet

11:34

That Time The Ocean Lost (Almost) All Its Oxygen

09:52

Did a Tsunami Swallow Part of Europe?

09:48

We Helped Make Mosquitoes A Problem

10:39

Why The Giraffe Got Its Neck

12:27

A Natural History of Mars

09:25

The Invisible Barrier Keeping Two Worlds Apart

10:55

It's Becoming Very Clear That Birds Are Not Normal

09:54

How (Some) Plants Survived The K-Pg Extinction

08:52

The Real Story Of The Dodo Bird's (Current) Extinction

11:03

Nautiloids Thrived For 500 Million Years Until These Guys Showed Up

11:25

Our “Junk DNA” Is More Important Than We Once Thought

11:15

That Time the American West Blew Up

12:57

How a Mass Extinction Changed Our Brains

08:44

The Mystery Of The Mashed-Up Dinosaurs

10:37

These Fossils Were Supposed To Be Impossible

10:17

The Neandertal Burial That Taught Us About Humanity

11:09

When Ancient People Changed Their Own DNA

11:30

These Creatures Were Darwin's Greatest Enemy

21:18

The Extinct Human Species Found In Remote Cave Chambers

08:35

How Did Our Most Famous Ancestor Really Die?

11:32

When The "Combat Wombat" Became An Apex Predator

18:55

The Unsolved Case of a Fake Human Fossil

08:27

There’s Something Weird About Neandertal DNA And It Might Be Our Fault

08:31

How Plate Tectonics Gave Us Seahorses

09:51

Are We All Actually Archaea?

10:30

Darwin Missed An Example of Evolution Right Under His Nose

09:56

Our Ancient Relative That Said 'No Thanks' To Land

12:09

Where Did Water Come From?

15:58

The Only Human Found in the La Brea Tar Pits