In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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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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Medication errors are three times higher among children and infants than with adults.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
The threespine stickleback (Gasterosteus aculeatus) has been used as a model organism for the study
Evolutionary ecologists live and do research in contemporary cultures that maintain all or some aspe