-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Rain contains vitamin B12.
188
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
There is enough energy in one bolt of lightning to power a home for two weeks!
102
Snowiest city in the U.S. : Blue canyon, California.
112
Dirty snow melts faster than clean.
350
Moist air holds heat better than dry air.
114