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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The horizontal fraction bar was introduced by the Arabs.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.