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Vaccines prevent between 2.5 and 4 million deaths every year.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.