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Author Question: Geographical differences such as air pollution and proximity to trauma centers can affect a person's ... (Read 33 times) |
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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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 modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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On average, the stomach produces 2 L of hydrochloric acid per day.
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In 1864, the first barbiturate (barbituric acid) was synthesized.