Hair grease is the secret, it turns out. And it's partly what the fur has, and what it lacks. Polar bear fur contains a cocktail of greasy compounds that make it exceptionally resistant to ...

Hair grease is the secret, it turns out. And it's partly what the fur has — and what it lacks. Polar bear fur contains a cocktail of greasy compounds that make it exceptionally resistant to ...

Sponsor Message Hair grease is the secret, it turns out. And it's partly what the fur has — and what it lacks. Polar bear fur contains a cocktail of greasy compounds that make it exceptionally ...

Hair grease is the secret, it turns out. And it's partly what the fur has, and what it lacks. Polar bear fur contains a cocktail of greasy compounds that make it exceptionally resistant to freezing, ...

Researchers analyzed hair samples from six wild polar bears. They discovered that the fur’s sebum, made of cholesterol, diacylglycerols, and fatty acids, plays a crucial role in preventing ice buildup ...