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reserpine

(Encyclopedia)reserpine rĕsûrˈpēn [key], alkaloid isolated from the root of the snakeroot plant (Rauwolfia serpentina), a small evergreen climbing shrub of the dogbane family native to the Indian subcontinent. ...

vertigo

(Encyclopedia)vertigo vûrˈtĭgō [key], sensations of moving in space or of objects moving about a person and the resultant difficulty in maintaining equilibrium. True vertigo, as distinguished from faintness, li...

zur Hausen, Harald

(Encyclopedia)zur Hausen, Harald, 1936–, German virologist, M.D. Univ. of Düsseldorf, 1960. He was a researcher at the Univ. of Würzburg, Germany (1968–72), chairman of the Institute of Clinical Virology, Erl...

Feringa, Bernard Lucas

(Encyclopedia)Feringa, Bernard Lucas, 1951–, Dutch organic chemist, Ph.D. Univ. of Groningen, Netherlands, 1978. He has been on the faculty at the Univ. of Groningen since 1984. Feringa was jointly awarded the 20...

Horvitz, H. Robert

(Encyclopedia)Horvitz, H. Robert (Howard Robert Horivtz), 1947–, American geneticist, b. Chicago, Ill., Ph.D. Harvard, 1974. Horvitz has been a professor at the Massachusetts Institute of Technology since 1978. W...

Allen, Paul Gardner

(Encyclopedia)Allen, Paul Gardner, 1953–2018, American business executive and philanthropist, b. Seattle. He dropped out of Washington State Univ. (1974) and with his friend Bill Gates co-founded (1975) Microsoft...

tamoxifen

(Encyclopedia)tamoxifen təmŏkˈsĭfĕnˌ [key], synthetic hormone used in the treatment of breast cancer. Introduced in 1978, tamoxifen is used to prevent recurrences of cancer in women who have already undergone...

carotene

(Encyclopedia)carotene kârˈətēnˌ [key], long-chained, unsaturated hydrocarbon found as a pigment in many higher plants, particularly carrots, sweet potatoes, and leafy vegetables. Carotene is thought to assist...

bighorn, in zoology

(Encyclopedia)bighorn or Rocky Mountain sheep, wild sheep, Ovis canadensis, of W North America, formerly plentiful in mountains from SW Canada to N Mexico. Indiscriminate hunting, disease, and scarcity of food enor...

Brace, Charles Loring

(Encyclopedia)Brace, Charles Loring, 1826–90, American clergyman and social reformer, b. Litchfield, Conn. America's pioneer children's advocate, he founded (1853) the Children's Aid Society of New York, an organ...