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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Everyone has one nostril that is larger than the other.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").