Physics
“It just takes a small amount of ice to make roads and sidewalks a skating rink,” a meteorologist warned.
Here are the latest images from the storm.
Meteorology professor John Gyakum has stopped using the phrase he helped coin in 1980. Still, he has high hopes for its newfound popularity.
WHAT'S HAPPENING
New guidelines advise people to keep phones "away from the body."
Rain associated with the lethal storm was at least 15 percent stronger, thanks to our warming world.
The airline said it would not alter its flight routes in the region despite the suspected sighting.
Grief can be debilitating -- especially this time of the year.
The number of severe quakes could triple next year.