SHOW / EPISODE

2.5 BYA–543 MYA The Rise of Complex Life in the Proterozoic

19m | Feb 26, 2026

The Proterozoic Eon brought one of Earth's most dramatic transformations: the Great Oxidation Event. Learn how oxygen-producing organisms reshaped the atmosphere, paving the way for eukaryotes, Snowball Earth, and the planet's first animals.

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History of the World
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