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Author Question: Raymond, a researcher, is conducting a study on child development. After observing several infants, ... (Read 93 times) |
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There are 20 feet of blood vessels in each square inch of human skin.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The average office desk has 400 times more bacteria on it than a toilet.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.