MUNICH, Germany, Dec. 10 (UPI) --A Munich zoo's twin polar bears celebrated their birthday in style, turning a traffic cone into a bear-sized party hat. Twins Nela and Nobby, who made headlines ...

The Truth About Polar Bear Skin Underneath their fur, polar bears have black skin. This may sound surprising, but it's a crucial adaptation. The black skin absorbs sunlight more effectively than ...

“This is much like how a polar bear’s fur, which is essentially a natural fibre optic, conducts sunlight down to the bears’ skin. The skin absorbs the light, heating the bear.” Polar bears evolved ...

That sunlight is then absorbed by the polar bear’s black skin, helping its body capture as much warmth as possible, with the fur then pulling double-duty as an excellent insulator. Turns out the ...

Because polar bear skin is black, it is able to easily soak up the heat. Once the skin is warm, the bears' fur then acts as an insulating layer, keeping the heat against their bodies. Two previous ...