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The average office desk has 400 times more bacteria on it than a toilet.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.