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The horizontal fraction bar was introduced by the Arabs.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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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.