Scientists have sequenced the DNA from the ear bone of an ancient cave bear an extinct relative of the polar and brown bears.
It may come as a surprise that the 360,000-year-old genetic material even survived the test of time. Until now, any preserved DNA that old had been frozen in permafrost, like the million-year-old mammal teeth that recently made headlines. Because DNA decays over time, the really old stuff needed to be kept on ice. This also limited genetic studies of extinct animals to…
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