One of Alaska's most popular trails, located in Anchorage, is also one of the most treacherous. Here's how to stay safe while ...

but this year I concentrated on bears – grizzly bears. We have three types of bear in North America, the black bear, brown bear and polar bear. The grizzly bear is a type, or more accurately ...

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 ...