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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.