Scientists Know How Polar Bears' Fur Repels Snow and Ice
There's something about polar bears that's always puzzled the people who study them. How do they seem to repel snow? The ...
Aviation expert sounds off on deadly D.C. plane crash
An American Airlines plane with 60 passengers and four crew on board collided in midair with an Army Black Hawk helicopter carrying three soldiers near Reagan National Airport in Washington, D.C., and ...