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Eons

When Rodents Rafted Across the Ocean

Season 2 Episode 1 | 9m 59s

The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?

Aired: 01/15/19
Extras
Watch • 12:07
Eons
Do Chins Make Us Human?
We're the only ones with chins, and we don't know why.
Episode: S8 E3 | 12:07
Watch • 12:40
Eons
The Golden Age of Sharks
Why did sharks get so incredibly diverse and odd during the Golden Age?
Episode: S8 E2 | 12:40
Watch • 10:45
Eons
That Time Earth was Sticky
What exactly made this time period so very, very sticky?
Episode: E1 | 10:45
Watch • 9:15
Eons
When Dinosaurs Threw Up A Mystery
How dino stomachs are revealing a mystery.
Special: 9:15
Watch • 10:47
Eons
Did Dinosaurs' Extinction Give Us Fruit?
One of the most surprising effects of the cascade of changes was...fruit?
Special: 10:47
Watch • 8:37
Eons
Why Paleontologists Can’t Stop Fighting About Spinosaurus
What does it mean to be a “semi-aquatic” dinosaur?
Special: 8:37
Watch • 12:22
Eons
The Dinosaurs Too Big To Be Dinosaurs
How did sauropods, uniquely large land animals, actually live, with their anatomy and physiology pus
Special: 12:22
Watch • 12:12
Eons
Darwin's Unexpected Final Obsession
What was Charles Darwin really obsessed with?
Episode: S7 E21 | 12:12
Watch • 12:29
Eons
Are All Oceans Basically Reincarnated?
Did you know ocean basins are reincarnated?
Episode: S7 E20 | 12:29
Watch • 8:36
Eons
Could This Sperm Whale Eat The Meg?
How did such a large predator survive?
Episode: S7 E19 | 8:36
Latest Episodes
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  • All
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  • Eons Season 7
  • Eons Season 6
  • Eons Season 5
  • Eons Season 4
  • Eons Season 3
  • Eons Season 2
  • Eons Season 1
Watch • 12:07
Eons
Do Chins Make Us Human?
We're the only ones with chins, and we don't know why.
Episode: S8 E3 | 12:07
Watch • 12:40
Eons
The Golden Age of Sharks
Why did sharks get so incredibly diverse and odd during the Golden Age?
Episode: S8 E2 | 12:40
Watch • 10:45
Eons
That Time Earth was Sticky
What exactly made this time period so very, very sticky?
Episode: E1 | 10:45
Watch • 12:12
Eons
Darwin's Unexpected Final Obsession
What was Charles Darwin really obsessed with?
Episode: S7 E21 | 12:12
Watch • 12:29
Eons
Are All Oceans Basically Reincarnated?
Did you know ocean basins are reincarnated?
Episode: S7 E20 | 12:29
Watch • 8:36
Eons
Could This Sperm Whale Eat The Meg?
How did such a large predator survive?
Episode: S7 E19 | 8:36
Watch • 9:41
Eons
When Red Pandas Roamed North America
How did a relative of the red panda end up in North America?
Episode: S7 E18 | 9:41
Watch • 8:10
Eons
Webs vs wings: The arms race of the air
How did the competition of spiders vs insects drive them both into the air?
Episode: S7 E17 | 8:10
Watch • 12:38
Eons
The Graveyard at the Center of the Earth
Why plate tectonics don't make sense.
Episode: S7 E16 | 12:38
Watch • 9:59
Eons
Why Wasn't There A Second Age of Reptiles?
Why was it the mammals who triumphed?
Episode: S7 E15 | 9:59