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(A) Polar bear sliding down a snow slope at Sallyhamna, Spitsbergen Island, Svalbard, Norway. (B) Infrared image showing the temperature of the polar bear fur and the surrounding snow taken with an FLIR E75 24o (FLIR Systems OÜ, Estonia) Svalbard Archipelago, Norway. (C) Adult female polar bear shakes water from her fur after climbing out of the water onto sea ice. Olgastretet, Barents Sea, Svalbard Archipelago, Norway. (D) An adult male polar bear cleans his fur by rolling and rubbing against snow-covered sea ice. Arctic Ocean, near 81° N, north of Svalbard Archipelago, Norway. Image credits: (A) P. Souders, Getty Images; (B) J. Aars, Norsk Polarinstitutt; and (C) and (D) J. E. Ross, LifeOnThinIce.org.

Polar Bears’ Secret Weapon Against Ice Could Revolutionize Aviation Safety

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