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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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There are approximately 3 million unintended pregnancies in the United States each year.
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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.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.