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Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The horizontal fraction bar was introduced by the Arabs.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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The longest a person has survived after a heart transplant is 24 years.

Dinoflagellates of the supergroup Alveolata and their characteristic alveoli. Dinoflagellates of the supergroup Alveolata and their characteristic alveoli.
Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
Malignant melanoma. This photograph demonstrates the highly characteristic color of this tumor. Malignant melanoma. This photograph demonstrates the highly characteristic color of this tumor.
Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge Leukemia. A blood smear from a patient suffering from leukemia demonstrates the abundance of enlarge
Child's right hand and wrist displaying the characteristic spotted rash of Rocky Mountain ... Child's right hand and wrist displaying the characteristic spotted rash of Rocky Mountain ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Magnetic resonance imaging (MRI)

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