New DNA evidence could change everything we know about how humans settled and spread in South America

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New DNA evidence could change our understanding of how humans settled and spread in South America as research has revealed long-distance migration began centuries earlier than previously thought.An international research team uncovered evidence that extensive coastal migration in Peru began at least eight centuries ago, well before the Inca Empire rose to power.The findings, published in Nature Communications, challenge previous assumptions about the mobility of pre-Inca societies along the Pacific coastline.Scientists combined ancient DNA analysis with archaeological and historical records to demonstrate that communities living before Inca rule, which lasted from AD 1400 to 1532, were considerably more interconnected than historians had believed.

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TRENDING Stories Videos Your Say The study represents some of the most compelling proof yet of population movement along Peru's coast prior to Inca dominance.Researchers extracted and examined ancient DNA (aDNA) from 21 individuals...

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