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There are 20 feet of blood vessels in each square inch of human skin.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The average office desk has 400 times more bacteria on it than a toilet.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.