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Everyone has one nostril that is larger than the other.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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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.