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Science & Environment News

Phys.org

Science & Environment / Phys.org

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Ancient DNA evidence narrows down when people first reached the Americas

One of the unresolved mysteries about the history of the Americas is when the first people arrived. Despite extensive debate centering on genetic, archaeological and environmental evidence, there is still no consensus or conclusive proof. Did they enter before, during or after the coldest period of the last ice age, known as the Last Glacial Maximum? Evidence from recent analysis of ancient DNA is providing fresh clues.

6 Oct 2026 2:30 am