Every winter, one of the coolest trends to circulate around the web is courtesy of unfortunate, bored souls stuck in the northern tundra with nothing better to do than throw cups of boiling water into the air. Once the water leaves the cup, it immediately turns into "snow." Let's take a look at how and why that happens.

The frozen, icy hellscape that rang in 2014 across the eastern United States returned for an encore in the west during the year's waning hours. Temperatures fell as low as -48°F in Wyoming this morning as a brutal cold snap brings strong winds, heavy snow, and even record high air pressure to areas west of the Plains.