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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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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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People about to have surgery must tell their health care providers about all supplements they take.
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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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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.