'Rock clock' refines time measurement of Earth's early complex animal life

PHYSorg
Mar 17, 2026, 4:20 pm124 ptsTrending
How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock clock" that allows major climate events from the dawn of complex animal life to be dated with unprecedented…

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