Here at Just Curious, we've taken the time to give you the rundown on everything you don't know, but might want to know, about polar bear habitats, eating habits and more. Most polar bears ...

Two-thirds of the world's polar bears could be extinct by 2050 if greenhouse gas-fueled global warming keeps melting their Arctic sea-ice habitat. The Center has led the charge to save polar bears ...

The U.S. National Snow and Ice Data Center indicated in a map of Arctic ice cover ... "The kinds of habitats where mother polar bears in this area give birth to their cubs are simply disappearing ...