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There are 20 feet of blood vessels in each square inch of human skin.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.