Polar bears need all the help they can get to survive their frosty Arctic environment. One of their biggest survival secrets appears to be greasy hair. The sebum–or hair grease–on their fur ...

OFFICIALS SAY POLAR BEARS BEAU ... SO WILD BEARS ARE NOT CRITICALLY ENDANGERED YET. BUT THE ENVIRONMENT IS CHANGING RAPIDLY. SO IT’S REALLY IMPORTANT THAT WE DO EVERYTHING HERE IN THE ZOO ...

It's been a long process to get to this point, and there is still more work to do ... polar bear, has been at the Louisville Zoo for about a year, brought in from another zoo as a potential mate ...