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Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Gibberellin works by releasing trapped transcription factors. Gibberellin works by releasing trapped transcription factors.
In a public aquarium In a public aquarium
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
The Works of Geoffrey Chaucer Newly Augmented, Kelmscott Press. The Works of Geoffrey Chaucer Newly Augmented, Kelmscott Press.
Video: Role of transport in a cell

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