Dirty snow melts faster than clean.
350
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Moist air holds heat better than dry air.
114
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Rain contains vitamin B12.
188
The speed of a typical raindrop is 17 miles per hour.
181