The U.S. is home to some of the most bizarre animal adaptations found nowhere else! From lizards that squirt blood from their eyes to fish that can survive on land, these creatures have evolved in ...

Polar bears have a built-in defense against ice — greasy fur. A team of scientists has discovered that their fur is coated in ...

Now, researchers have discovered the bears have another unexpected Arctic adaptation: greasy fur. It’s a trait that, ...