In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Rain contains vitamin B12.
188
The winter of 1912 was so cold that Niagara Falls froze over.
35
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