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Writer Fuel: One of the Biggest Mass Extinctions Has Eerie Parallels to Today

Devonian Period - Deposit Photos

Depleting oxygen and rising hydrogen sulfide levels in the oceans may have been responsible for one of Earth’s most significant mass extinctions more than 350 million years ago, a new study finds. The changes were likely driven by rising sea levels and have some spooky parallels to conditions seen today. Researchers studied samples of black … Read more