Polar Bears’ Slick Secret: How Greasy Fur Defies the Arctic Freeze
Polar bears have a built-in defense against ice — greasy fur. A team of scientists has discovered that their fur is coated in ...
The Birds’ Guide to Surviving Winter
Wilson’s warblers do not visit feeders, All About Birds reports, but if these tiny insectivores are out of luck in winter in what looks like nowheresville, with not an insect in sight, I can tell you, ...
Greasy hair gives polar bears fur with anti-icing properties
An international team of scientists has discovered the anti-icing secret of polar bear fur—something that allows one of the ...