Several studies published today concur that all current global human populations stem from a single wave of expansion out of Africa. Yet one has found 2% of the genome in Papuan populations points to an earlier separate event – and an extinct lineage that made it to the islands of Southeast Asia

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Several studies published today concur that all current global human populations stem from a single wave of expansion out of Africa. Yet one has found 2% of the genome in Papuan populations points to an earlier separate event – and an extinct lineage that made it to the islands of Southeast Asia