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The horizontal fraction bar was introduced by the Arabs.
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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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People about to have surgery must tell their health care providers about all supplements they take.
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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.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.