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The horizontal fraction bar was introduced by the Arabs.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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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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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.