Skip to main content

Up Next

How Humans Lost Their Fur

How Humans Lost Their Fur

Season 3 Episode 27
11:27

When Lizards Took Over the World

Season 3 Episode 28
8:29
When the Earth Suddenly Stopped Warming

When the Earth Suddenly Stopped Warming

Season 3 Episode 29
10:21
The Triassic Reptile With "Two Faces"

The Triassic Reptile With "Two Faces"

Season 3 Episode 30
10:11
The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
Back to Show
Eons

How Plankton Created A Bizarre Giant of the Seas

Season 3 Episode 25

At more than 2 meters long, Aegirocassis was not only the biggest radiodont ever, but it also may have been the biggest animal in the Early Ordovician. This bizarre marine giant may have only been possible, thanks to a major revolution among some of the tiniest organisms in the world.

Support Provided By
Season
These Creatures Were Darwin's Greatest Enemy
9:58
Beneath their shell, the crustaceans hold an evolutionary mystery.
How Did Our Most Famous Ancestor Really Die?
7:20
The answer is part of a decades-long debate.
When A Marsupial Became An Apex Predator
10:04
In Australia, evolution built a family of deadly predators.
We Met Neandertals Way Earlier Than We Thought
7:28
We focus on the DNA we got from our Neanderthals.
How Plate Tectonics Gave Us Seahorses
7:20
Seahorses are one of the ocean's worst swimmers but their origin story is great.
Are We All Actually Archaea?
8:21
In recent years, Archaea's connection to us has been pretty huge and surprising.
Darwin Missed An Example of Evolution Right Under His Nose
8:53
Charles Darwin encountered a tiny fox-like creature during his famous voyage.
Our Ancient Relative That Said 'No Thanks' To Life On Land
8:59
While some fishapods were crawling out of water, others were diving right back in.
Where Did Water Come From?
10:17
We think our water came from unlikely sources: meteorites, space dust, and even the sun.
The Fungi That Turned Ants Into Zombies
8:13
This fungus was actually manipulating ants’ and forcing strange movements.
How Whale Evolution Kind Of Sucked
9:49
We explore the origin of the Mystacodon, what we know today as baleen whales.
Did An Ancient Pathogen Reshape Our Cells?
7:40
There is one group of mammals that doesn’t have alpha-gal catarrhine primates.
Active loading indicator