S7 E17 - 8m 10s
Spiders and their ancestors have been driving an arms race that began before either stepped foot onto land and resulted in the first powered flight on Earth. But how did this competition of webs versus wings drive such a massive evolutionary adaptation into an entirely new realm?
S7 E16 - 12m 38s
Scientists have been trying to solve the mystery of why plate tectonics works the way it does for over a hundred years. And they might have just uncovered a key to cracking it.
S7 E15 - 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?
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