There are 60,000 miles of blood vessels in every adult human.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
A typical spectrum with peaks representing the peptide fragments generated from a sample
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
A typical joint.
Cutaway view of a typical alternator.
A typical two-line cleaning machine hookup, showing an extension hose that can be used to squirt a ...