Eons

The Mystery of South America's False Horses

How did the "false horse," Thoatherium, and its relatives survive when their hoofed legs seemed to be adapted for an ecosystem that wouldn't exist for another 12 million years?

The Mystery of South America's False Horses

9m 45s

  • When Neandertals Became Apex Predators: asset-mezzanine-16x9

    When Neandertals Became Apex Predators

    S7 E11 - 11m 50s

    Climbing to the summit of the Eurasian food chain was one of the Neandertals’ most impressive evolutionary feats, but in the end, it may have actually been what doomed them.

  • When the Amazon Flowed Backwards: asset-mezzanine-16x9

    When the Amazon Flowed Backwards

    S7 E10 - 11m 25s

    What did life look like when the Amazon watershed flowed backwards? How did its direction shape the evolution of life around it? And what force could have possibly been strong enough to up-end one of the world’s mightiest rivers between then and now?

  • How Animals Got Butts: asset-mezzanine-16x9

    How Animals Got Butts

    S7 E9 - 12m 10s

    While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with redefining what it means to have a butthole at all.

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.