Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
The winter of 1912 was so cold that Niagara Falls froze over.
35
Dirty snow melts faster than clean.
350
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
There is enough energy in one bolt of lightning to power a home for two weeks!
102
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