Eons

The Huge Extinctions We Are Just Now Discovering

What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and suffocating before eventually clearing up again. They unlock extinctions and recoveries that scientists didn't see. And, most of all, they show us how unpredictable the Silurian period really could be.

The Huge Extinctions We Are Just Now Discovering

8m 58s

  • The Dinosaurs Too Big To Be Dinosaurs: asset-mezzanine-16x9

    The Dinosaurs Too Big To Be Dinosaurs

    12m 22s

    How did sauropods, uniquely large land animals, actually live, with their anatomy and physiology pushed to such extremes? Well, their unprecedented gigantism came with some equally massive costs…

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    Darwin's Unexpected Final Obsession

    S7 E21 - 12m 12s

    After having solved the small matter of evolution by natural selection - becoming one of the most famous scientists in the world in the process - Charles Darwin turned his focus to a different personal obsession…

  • Are All Oceans Basically Reincarnated?: asset-mezzanine-16x9

    Are All Oceans Basically Reincarnated?

    S7 E20 - 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.

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