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behaviorism

(Encyclopedia)behaviorism, school of psychology which seeks to explain animal and human behavior entirely in terms of observable and measurable responses to environmental stimuli. Behaviorism was introduced (1913) ...

bonobo

(Encyclopedia)bonobo, smaller of two species of chimpanzee, genus Pan. Whereas the common chimpanzee, P. troglodytes, lives in forests across most of equatorial Africa, the bonobo, P. paniscus (sometimes called the...

dinosaur

(Encyclopedia)dinosaur dīˈnəsôr [key] [Gr., = terrible lizard], extinct land reptile of the Mesozoic era. The dinosaurs, which were egg-laying animals, ranged in length from 21⁄2 ft (91 cm) to about 127 f...

star

(Encyclopedia)star, hot incandescent sphere of gas, held together by its own gravitation, and emitting light and other forms of electromagnetic radiation whose ultimate source is nuclear energy. The universe co...

Dostoyevsky, Feodor Mikhailovich

(Encyclopedia)Dostoyevsky or Dostoevsky, Feodor Mikhailovich fyôˈdər mēkhīˈləvĭch dəstəyĕfˈskē [key], 1821–81, Russian novelist, one of the towering figures of world literature. Notes from the Unde...

Doxiades, Constantinos

(Encyclopedia)Doxiades, Constantinos kônstäntēˈnôs dôksyäˈᵺēs [key], 1913–75, Greek urban planner, designer, and consultant on ekistics, the science of human settlements. In Athens, Doxiades held offic...

Cooley, Charles Horton

(Encyclopedia)Cooley, Charles Horton, 1864–1929, American sociologist, b. Ann Arbor, Mich., grad. Univ. of Michigan (B.A., 1887; Ph.D., 1894); son of Thomas M. Cooley. He taught in the sociology department at the...

Eysenck, Hans Jurgen

(Encyclopedia)Eysenck, Hans Jurgen häns yo͝orˈgən īˈsĕngk [key], 1916–97, British psychologist. Best known for his theory of human personality, Eysenck suggested that personality is biologically determined...

Juliana of Norwich

(Encyclopedia)Juliana of Norwich nôrˈĭch [key], d. c.1443, English religious writer, an anchoress, or hermit, of Norwich called Mother (or Dame) Juliana or Julian. Her work, completed c.1393, Revelations of Divi...

Murdock, George Peter

(Encyclopedia)Murdock, George Peter, 1897–1985, American anthropologist, b. Meriden, Conn., grad. Yale (B.A., 1919; Ph.D., 1925). He taught at Yale and later at the Univ. of Pittsburgh, becoming Mellon Professor ...