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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
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The average adult has about 21 square feet of skin.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.