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Syphilis originated in the Americas, ancient DNA shows, but European colonialism spread it widely
Paleogenomics has finally solved a question that has puzzled researchers for decades: Where did syphilis come from?
New research says people arrived in Americas much earlier and co-existed with giant sloths and mastodons
New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the New World much earlier than scientists once thought.