(Encyclopedia) race, one of the group of populations regarded as constituting humanity. The differences that have historically determined the classification into races are predominantly physical…
directorBirthplace: Houston, Texas Anderson achieved by age 30 what few directors have been able to do: create intelligent, quirky, independent-minded Hollywood films. Born and raised in Houston,…
The Civil War Apart from the matter of slavery, the Civil War arose out of both the economic and political rivalry between an agrarian South and an industrial North and the issue of the right of…
Each year the organization American Rivers analyzes the condition of the nation's rivers to determine which are the most “endangered.” Threats to these rivers include dams and channelizations that…
Some Sound Worth HearingMovies and FilmFilm: Sound in MoviesA Brief History of Sound in MoviesBring on Da Noise: Synchronous and Nonsynchronous SoundSound Effects and Their FunctionsA Musical…
(Encyclopedia) differentiation, in biology, series of changes that occur in cells and tissues during development, resulting in their specialization. This, in turn, permits a greater variety of…
(Encyclopedia) Muller, Hermann JosephMuller, Hermann Josephmŭlˈər [key], 1890–1967, American geneticist and educator, b. New York City, grad. Columbia (B.A., 1910; Ph.D., 1916). A student of Thomas…
(Encyclopedia) Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40),…
(Encyclopedia) Los AlamosLos Alamoslôs ălˈəmōsˌ, lŏs [key], uninc. town (1990 pop. 11,455), seat of Los Alamos co., N central N.Mex. It is on a long mesa extending from the Jemez Mts. The U.S.…
(Encyclopedia) Rogers, Roy, 1911–98, American Western film star, b. Cincinnati, Ohio, as Leonard Franklin Slye. The guitar-strumming Rogers succeeded Gene Autry as America's favorite singing cowboy…
