Scientists finally solved the mystery of Earth's greatest mass extinction

ScienceDaily
Jul 12, 2026, 12:02 am66 ptsTrending
Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in Earth's greatest mass extinction, when warming oceans and falling oxygen levels wiped out animals that couldn't adapt. Species with body plans and metabolisms better suited to the changing…

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