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Author Question: Archaeologists speculate that the human figures painted in the Great Gallery of Horseshoe canyon ... (Read 116 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.