-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Rain contains vitamin B12.
188
The winter of 1912 was so cold that Niagara Falls froze over.
35
Dirty snow melts faster than clean.
350
There is enough energy in one bolt of lightning to power a home for two weeks!
102
Moist air holds heat better than dry air.
114