DNA from teeth found in Siberia permafrost the oldest yet sequenced, pushing science into ‘deep time’

Teeth from mammoths buried in the Siberian permafrost for more than a million years have led to the world’s oldest known DNA being sequenced, according to a study that shines a genetic searchlight on the deep past.

Researchers said the three teeth specimens, one roughly 800,000 years old and two more than a million years old, provided important insights into the giant ice age mammals, including into the ancient heritage of, specifically, the woolly mammoth.

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