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The horizontal fraction bar was introduced by the Arabs.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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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.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.