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Are All Oceans Basically Reincarnated?

Season 7 Episode 20 | 12m 29s

This is the hundred-year tale of how an unlikely bunch of bottom-dwelling marine critters helped reveal that ocean basins are basically reincarnated every few hundred million years.

Aired: 05/05/25
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.
Where the space rock came from 66 million years ago that crashed and killed the dinosaurs.
Fish evolved terrestrial traits to...stay fish?
We're the only ones with chins, and we don't know why.
Why did sharks get so incredibly diverse and odd during the Golden Age?
What exactly made this time period so very, very sticky?
What was Charles Darwin really obsessed with?
How did such a large predator survive?