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Darwin's Unexpected Final Obsession

Season 7 Episode 21 | 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…

Aired: 05/19/25
Extras
What about the Great Dying caused a global age of mutant plants?
Around 300 million years ago sails were all the rage, but we're still not sure what they were for.
During the Permian Period many tetrapods, or four-limbed vertebrates, took to life in the trees.
For millions of years after the Great Dying microbes ruled the Earth.
The Permian began with the formation of a supercontinent and ended in the biggest extinction ever.
The Permian began with the formation of a supercontinent and ended in the biggest extinction ever.
How did Homotherium evolve to be so successful? The answer may lie in the rise of the Tibetan plate.
The mystery of what non-flying dinosaurs were doing with their feathered wings has a new hypothesis.
What did ancient people once know about these bizarre megafauna that we’ve since forgotten?
5,700 years ago, woolly mammoths crossed a remote tundra island off Alaska.
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During the Permian Period many tetrapods, or four-limbed vertebrates, took to life in the trees.
Around 300 million years ago sails were all the rage, but we're still not sure what they were for.
What about the Great Dying caused a global age of mutant plants?
Life begins to rebound after the destruction of the mass extinction ending the Permian Period.
An apocalypse ended the Permian Period 252 million years ago, wiping out more than 80% of species.
The first saber-teeth and tusks evolve in the Late Permian and our ancestors, the cynodonts, appear.
For millions of years after the Great Dying microbes ruled the Earth.
An extinction in the Middle Permian decimates life, from a fossil reef to our ancient relatives.
The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals.
Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.