Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Moist air holds heat better than dry air.
114
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
9 out of 10 lightning strike victims survive!
246