Polar bears need all the help they can get to survive their frosty Arctic environment. One of their biggest survival secrets ...

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 ...

The park's two other bears are males Arktos, 17, and 16-year-old Walker. They are middle aged in bear terms. Polar bears can live into their early 30s, but an average of 15 to 18 years in the wild.