A thin, watery layer coating the surface of ice is what makes it slick. Despite a great deal of theorizing over the centuries ...

Add Yahoo as a preferred source to see more of our stories on Google. New simulations show ice stays slippery in deep cold because its crystal structure breaks down under motion, not because it melts.

The reason we can gracefully glide on an ice-skating rink or clumsily slip on an icy sidewalk is that the surface of ice is coated by a thin watery layer. Scientists generally agree that this ...

When you step onto an icy sidewalk or push off on skis, the surface can seem to vanish beneath you. For more than a century, scientists have debated why ice stays slippery, even well below freezing.