The world’s oldest DNA has been discovered, scientists announced in a new study.The DNA, which is about 1.2 million years old, was recovered from two specimens of steppe mammoth, a predecessor to the more well-known woolly mammoth. Until now, the oldest DNA came from a horse that lived in Canada’s Yukon territory about 700,000 years ago.By way of comparison, our species, Homo sapiens, first appeared roughly 300,000 years ago.“This DNA is incredibly old. The samples are a thousand times older…


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