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Science & Climate · ScienceDaily · Top Science

Scientists uncover the 2.3-billion-year-old secret that helped keep Earth habitable

2026-10-12T21:27:10.000Z

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From ScienceDaily · Top Science

Scientists may have solved a 2.3-billion-year-old mystery about how Earth maintained enough oxygen to support life. Ancient rocks reveal that phosphorus recycling in the oceans created a self-sustaining cycle that helped keep oxygen levels high, even as the planet underwent dramatic environmental…

View from the Schneespitze in the Stubai Alps to Agglsspitze, Feuerstein and the Feuerstein Glacier
Photo: Jörg Braukmann / Wikimedia Commons, CC BY-SA 4.0

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Science & Climate
Published
2026-10-12T21:27:10.000Z
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  1. ScienceDaily · Top Science — Scientists uncover the 2.3-billion-year-old secret that helped keep Earth habitable