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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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The average office desk has 400 times more bacteria on it than a toilet.
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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 oral chemotherapy drug for colon cancer was approved by FDA in 2001.