-40 degrees Celsius is equal to -40 degrees Fahrenheit.
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Snowiest city in the U.S. : Blue canyon, California.
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Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
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Rain contains vitamin B12.
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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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9 out of 10 lightning strike victims survive!
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