“Polar bears are still sadly expected to go extinct this century,” with two-thirds of the population gone by 2050,” says the lead researcher on a new study from the University of East Anglia in Britain.
But their research also suggests polar bears “are rapidly rewiring their own genetics in a bid to survive,” reports NBC News, in “the first documented case of rising temperatures driving genetic change in a mammal.”
“I believe our work really does offer a glimmer of hope…

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