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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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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.