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Why Wasn't There A Second Age of Reptiles?

Season 7 Episode 15 | 9m 59s

An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals. But why was it the mammals who triumphed?

Aired: 02/24/25
Extras
Only twice in Earth's history have supermountains risen, and both times reshaped life forever.
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.
How we might borrow genes from that ancient past of Greenland to help us adapt to the future.
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.
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Only twice in Earth's history have supermountains risen, and both times reshaped life forever.
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.
How we might borrow genes from that ancient past of Greenland to help us adapt to the future.
Tiny mammals and a group of lizard-like reptiles shared a trait that helped them survive extinction.