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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The horizontal fraction bar was introduced by the Arabs.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.