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What Was Greenland Like When it Was Green

Season 8 Episode 7 | 9m 07s

It made the front page of the New York Times. Ancient DNA over 2 million years old, retrieved from the frozen dirt of Greenland. It reached back further in time than many scientists used to think was even theoretically possible. And it contained the genetic ghost of an /entire ecosystem/ – one that has no counterpart in today’s world and one that we had /no idea/ even existed.

Aired: 12/01/25
Extras
Was the T-Rex given the wrong name?
500+ pterosaur fossils found at Solnhofen may be hiding a dark secret distorting our view of them.
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.
For flowering plants to take over, they first helped burn the old world—and then put the fires out.
Ancient weeds mimicked crops, tricking farmers into domesticating friends—and enemies—by mistake.
Brains and brawn aren’t opposites—they’ve been linked far longer than we might think.
Understanding the Isthmus of Panama.
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Fish evolved terrestrial traits to...stay fish?
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Was the T-Rex given the wrong name?
500+ pterosaur fossils found at Solnhofen may be hiding a dark secret distorting our view of them.
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.
For flowering plants to take over, they first helped burn the old world—and then put the fires out.
Ancient weeds mimicked crops, tricking farmers into domesticating friends—and enemies—by mistake.
Brains and brawn aren’t opposites—they’ve been linked far longer than we might think.
Understanding the Isthmus of Panama.
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Fish evolved terrestrial traits to...stay fish?