Precisely when and where did our species emerge? Anthropologists have struggled with that question for decades, and scattered clues had suggested the answer lay somewhere in sub-Saharan Africa about 200,000 years ago. But new evidence outlined in two papers published in the journal Nature challenges that hypothesis. Instead, the authors describe recently discovered remains that suggest the first Homo sapiens showed up more than 100,000 years earlier than we thought in a place many experts didn't suspect.
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