1.7-billion-year-old fossils reveal a crucial clue to the rise of complex life

ScienceDaily
Sep 27, 2026, 7:55 am83 ptsTrending
Scientists studying ancient Australian rocks uncovered more than 12,000 fossils from some of the oldest known eukaryotes on Earth. These early complex cells lived in settings ranging from coastal mudflats to the open sea, but only where oxygen was available. Oxygen-free environments contained simpler microbes…

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1.7-billion-year-old fossils reveal a crucial clue to the rise of complex life

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