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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.