Rain contains vitamin B12.
188
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Carbon dioxide is a trace gas and by itself will produce little warming. Also, as CO2 increases, the incremental warming is less, as the effect is logarithmic so the more CO2, the less warming it produces.
11
Moist air holds heat better than dry air.
114
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
