The Devonian Mass Extinction (374 million years ago) may have happened because the evolution of land plants led to runoff of previously locked nutrients that created oceanic dead zones. New data suggests the extinction had 2 waves linked to the same orbital cycles that created the recent ice ages

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The Devonian Mass Extinction (374 million years ago) may have happened because the evolution of land plants led to runoff of previously locked nutrients that created oceanic dead zones. New data suggests the extinction had 2 waves linked to the same orbital cycles that created the recent ice ages