How your DNA can reconstruct history

February 13, 2014 7:05 PM

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How your DNA can reconstruct history

(CNN) -- Most people are carrying around historical records in their DNA, with clues to how people from genetically distinct groups intermingled over the last 4,000 years. That's the conclusion of a new study in the journal Science.

Researchers set out to pinpoint which groups intermixed, and when, over thousands of years, using modern DNA. They thought this information could complement other historical records.

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