You might remember in science class learning about hibernation – a time when certain animals "sleep" for long periods ... days' worth of energy for a polar bear, according to the WWF.

New research finds grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to ...

I did not sleep well for a long time afterward ... It was amazing to see them. I saw the polar bear breathing. I saw it licking the lens until the lens became blurry. I saw it prod the lens ...

The de-icing properties of polar bear sebum could fuel new innovations, scientists say, potentially unlocking alternatives to harmful “forever chemicals” used in ice-resistant coatings today ...

THEY INSPIRED WHAT WE NOW KNOW AS THE POLAR BEAR PLUNGE, ONE OF THE MOST SUCCESSFUL ... Devoted nap-takers explain the benefits of sleeping on the job ...