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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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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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This Powertrain Control Module (PCM) is located under the hood on this Chevrolet pickup truck. This Powertrain Control Module (PCM) is located under the hood on this Chevrolet pickup truck.
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