Stewart Edie receives funding from the Smithsonian Institution. Even groups that weathered the catastrophe, such as mammals, fishes and flowering plants, suffered severe population declines and ...
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Ancient fossils show how the last mass extinction forever scrambled the ocean's biodiversity
About 66 million years ago—perhaps on a downright unlucky day in May—an asteroid smashed into our planet. The fallout was immediate and severe. Evidence shows that about 70% of species went extinct in ...
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