In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The speed of a typical raindrop is 17 miles per hour.
181
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
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442