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Did you know?
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.