There are 20 feet of blood vessels in each square inch of human skin.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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There are more sensory neurons in the tongue than in any other part of the body.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Examples of the results of sexual selection, a type of natural selection.
A test for iconic sensory memory
The operation of a rotor-type oil pump.
Water consumption by type of use
Chylomicron Chylomicrons are one type of lipoprotein