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human extinction

A Neanderthal skull shows head trauma, evidence of ancient violence. Smithsonian National Museum of Natural History

Were Other Humans the First Victims of the Sixth Mass Extinction?

Nick Longrich / The Conversation 300,000 years ago, nine human species walked the Earth. Now there’s just one. The Neanderthals, Homo neanderthalensis , were stocky hunters adapted to Europe’s cold...