Scientists may have misread a 2-billion-year-old clue about Earth
Attributed to ScienceDaily. EcoBriefing is not independently verifying these facts.
https://www.sciencedaily.com/releases/2026/09/260925093201.htm
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Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in Earth’s carbon cycle, may instead have been produced by local magma, hydrocarbons, and methane-eating microbes. The discovery raises new questions about what was really happening as oxygen transformed the young planet.
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