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periodical

(Encyclopedia)periodical, a publication that is issued regularly. It is distinguished from the newspaper in format in that its pages are smaller and are usually bound, and it is published at weekly, monthly, quarte...

photography, still

(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...

Iowa, state, United States

(Encyclopedia)CE5 Iowa īˈəwə [key], midwestern state in the N central United States. It is bounded by the Mississippi River, across which lie Wisconsin and Illinois (E); Missouri (S); Nebraska and South Dako...

Eisenhower, Dwight David

(Encyclopedia)Eisenhower, Dwight David īˈzənhouˌər [key], 1890–1969, American general and 34th President of the United States, b. Denison, Tex.; his nickname was “Ike.” In his farewell address as pr...

Federal Reserve System

(Encyclopedia)Federal Reserve System, central banking system of the United States. Established in 1913, it began to operate in Nov., 1914. Its setup, although somewhat altered since its establishment, particularly ...

Paris, Treaty of

(Encyclopedia)Paris, Treaty of, any of several important treaties, signed at or near Paris, France. For the Treaty of Paris of 1856, see Paris, Congress of. For the Treaty of Paris of 1898, see Spanish-Americ...

nucleic acid

(Encyclopedia)CE5 Replication of strands of DNA CE5 nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the storage and replica...

State, United States Department of

(Encyclopedia)State, United States Department of, executive department of the federal government responsible, under the President's direction, for the making and execution of American foreign policy. Before and ...

African art

(Encyclopedia)African art, art created by the peoples south of the Sahara. The predominant art forms are masks and figures, which were generally used in religious ceremonies. The decorative arts, especially in text...

children's book illustration

(Encyclopedia)children's book illustration, any type of picture or decorative work produced for books specifically intended for a youthful audience. During the 1960s a number of seldom-used techniques were introd...