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Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

A closer look at the reproductive cycle of human immunodeficiency virus (HIV) A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
Electron micrograph of phage T4 Electron micrograph of phage T4
Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green). Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green).
Aedes mosquito, the vector for West Nile virus encephalitis. Aedes mosquito, the vector for West Nile virus encephalitis.
Integrative recombination in phage l: The site-specific recombination event Integrative recombination in phage l: The site-specific recombination event
Infected Tobacco Leaves by a Virus Infected Tobacco Leaves by a Virus
Video: Endocytosis - pinocytosis, receptor mediated and Transcytosis

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