-40 degrees Celsius is equal to -40 degrees Fahrenheit.
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Men are 6 times more likely to be struck by lightning than women!
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The winter of 1912 was so cold that Niagara Falls froze over.
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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
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