NewsBot Posted June 6, 2022 Report Share Posted June 6, 2022 A new study is providing an enhanced look at the intertwined evolutionary histories of polar bears and brown bears. Becoming separate species did not completely stop these animals from mating with each other. Scientists have known this for some time, but the new research draws on an expanded dataset -- including DNA from an ancient polar bear tooth -- to tease out more detail. View the full article Quote Link to comment Share on other sites More sharing options...
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