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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.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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The human body produces and destroys 15 million blood cells every second.
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There are more sensory neurons in the tongue than in any other part of the body.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.