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engineering

(Encyclopedia)engineering, profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life. Until the Industrial Revolution there were only t...

in vitro fertilization

(Encyclopedia)in vitro fertilization vēˈtrō, vĭˈtrō [key] (IVF), technique for conception of a human embryo outside the mother's body. Several ova, or eggs, are removed from the mother's body and placed in sp...

French Polynesia

(Encyclopedia)French Polynesia, officially Overseas Lands of French Polynesia, internally self-governing dependency (2015 est. pop. 278,000) of France, consisting of 118 islands in the South Pacific. The capital is...

occupational disease

(Encyclopedia)occupational disease, illness incurred because of the conditions or environment of employment. Unlike with accidents, some time usually elapses between exposure to the cause and development of symptom...

Palau

(Encyclopedia)Palau pälouˈ [key], officially Republic of Palau, independent nation (2015 est. pop. 21,000), c.192 sq mi (497 sq km), W Pacific, in the W Caroline Islands. Belau, the indigenous name for Palau, is ...

Wilson, Harold

(Encyclopedia)Wilson, Harold (James Harold Wilson, Baron Wilson of Rievaulx), 1916–95, British statesman. A graduate of Oxford, he became an economics lecturer there (1937) and a fellow of University College (193...

Bologna

(Encyclopedia)Bologna bōlôˈnyä [key], city, capital of Emilia-Romagna and of Bologna prov., N central I...

stellar structure

(Encyclopedia)stellar structure, physical properties of a star and the processes taking place within it. Except for that of the sun, astronomers must draw their conclusions regarding stellar structure on the basis ...

protozoan

(Encyclopedia)protozoan prōˌtəzōˈən [key], informal term for the unicellular heterotrophs of the kingdom Protista. Protozoans comprise a large, diverse assortment of microscopic or near-microscopic organisms ...

Kennedy, John Fitzgerald

(Encyclopedia)Kennedy, John Fitzgerald, 1917–63, 35th President of the United States (1961–63), b. Brookline, Mass.; son of Joseph P. Kennedy. On Nov. 22, 1963, President Kennedy was shot and killed while ...