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Dugdale, Richard Louis

(Encyclopedia)Dugdale, Richard Louis dŭgˈdāl [key], 1841–83, American social investigator, b. Paris. While inspecting (1874) county jails for the New York Prison Association, he developed data for his famous s...

intelligence

(Encyclopedia)intelligence, in psychology, the general mental ability involved in calculating, reasoning, perceiving relationships and analogies, learning quickly, storing and retrieving information, using language...

molly

(Encyclopedia)molly or mollie, New World fish of the genus Poecilia, which includes the guppy or rainbow fish, Poecilia reticulata. Mollies, which are related to the killifishes, are found from the E and central Un...

Galton, Sir Francis

(Encyclopedia)Galton, Sir Francis gôlˈtən [key], 1822–1911, English scientist, founder of eugenics; cousin of Charles Darwin. He turned from exploration and meteorology (where he introduced the theory of the a...

aristocracy

(Encyclopedia)aristocracy ărˌĭstŏkˈrəsē [key] [Gr.,=rule by the best], in political science, government by a social elite. In the West the political concept of aristocracy derives from Plato's formulation in...

evening primrose

(Encyclopedia)CE5 Evening primrose, Oenothera biennis evening primrose, common name for the Onagraceae, a family of plants of worldwide distribution, most species of which grow as herbs in the temperate New Wor...

Huxley, Sir Julian Sorell

(Encyclopedia)Huxley, Sir Julian Sorell, 1887–1975, English biologist and writer, educated at Oxford; grandson of Thomas Henry Huxley, brother of Aldous Huxley, and half-brother of Sir Andrew Huxley. He taught at...

dwarfism

(Encyclopedia)dwarfism, condition in which an animal or plant is less than normal in size and lacks the capacity for normal growth. Dwarfism is deliberately produced and perpetuated in certain species (e.g., in bre...

Taine, Hippolyte Adolphe

(Encyclopedia)Taine, Hippolyte Adolphe tān, Fr. ēpôlētˈ ädôlfˈ tĕn [key], 1828–93, French critic and historian. A brilliant student, he gained recognition with the publication of his doctoral thesis, Ess...

breeding

(Encyclopedia)breeding, in agriculture and animal husbandry, propagation of plants and animals by sexual reproduction; usually based on selection of parents with desirable traits to produce improved progeny. In con...

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