DNA analysis of human hair preserved in Greenland's permafrost has given clues as to what the owner looked like. A study, published in the journal Nature, says the individual's genome is the oldest to have been sequenced from a modern human.The researchers say the man, who lived 4,000 years ago, had brown eyes and thick dark hair, although he would have been prone to baldness. They say the genome also shows that his ancestors migrated from Siberia.
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