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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").