Polar Bears are Rewiring Their Own Genetics to Survive a Warming Climate

"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 — a window of oppor