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Cyanide works by making the human body unable to use oxygen.
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There are more bacteria in your mouth than there are people in the world.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The average adult has about 21 square feet of skin.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.