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Eons
When the Earth Had Supermountains
Season 8
Episode 15
Supermountains are so ridiculously enormous that, as far as we know, they’ve only ever formed twice, far back in deep time, and they lasted for just a small fraction of our planet’s history. And both of the times when Earth had supermountains seem to coincide with some of the most profound evolutionary shifts in the history of life.
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7:54
Around 300 million years ago sails were all the rage, but we're still not sure what they were for.
10:44
During the Permian Period many tetrapods, or four-limbed vertebrates, took to life in the trees.
9:29
For millions of years after the Great Dying microbes ruled the Earth.
26:06
Life begins to rebound after the destruction of the mass extinction ending the Permian Period.
25:37
An apocalypse ended the Permian Period 252 million years ago, wiping out more than 80% of species.
25:37
The first saber-teeth and tusks evolve in the Late Permian and our ancestors, the cynodonts, appear.
25:37
An extinction in the Middle Permian decimates life, from a fossil reef to our ancient relatives.
25:37
The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals.
25:37
Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.
9:11
How did Homotherium evolve to be so successful? The answer may lie in the rise of the Tibetan plate.
10:16
The mystery of what non-flying dinosaurs were doing with their feathered wings has a new hypothesis.