-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
Men are 6 times more likely to be struck by lightning than women!
194
The winter of 1912 was so cold that Niagara Falls froze over.
35
Oak trees are struck by lightning more than any other tree.
266
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