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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.