KIRO 7 meteorologist Nick Allard explains how hail is formed, and why some of it can get to the size of a softball, as western Washington braces for storms. The Atlantic publishes full Signal ...

Hail is formed when very strong thunderstorm updrafts meet supercooled water droplets. Supercooled water droplets are liquid water drops that are surrounded by air that is below freezing ...

As viewed from a human perspective, nature has done some ingenious engineering to overcome some of the obstacles it has faced. Take the evolution of sex, for instance. To make the move from ...