SHOW / EPISODE

3.8–2.5 BYA The Archean Eon and the First Living Organisms

9m | Feb 26, 2026

Explore the Archean Eon, when Earth's oldest rocks formed and the first prokaryotic life emerged in ancient seas. Discover how plate tectonics began reshaping the planet and how the earliest fossils reveal life's tenacious beginnings.

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History of the World
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