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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead 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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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.