Dirty snow melts faster than clean.
350
In ten minutes, a hurricane releases more energy than all the world's nuclear weapons combined!
371
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The winter of 1912 was so cold that Niagara Falls froze over.
35