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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...

science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

Aragón, house of

(Encyclopedia)Aragón, house of, family that ruled in Aragón, Catalonia, Majorca, Sicily, Naples, Sardinia, Athens, and other territories in the Middle Ages. It was descended from Ramiro I of Aragón (1035–63), ...

Rulers of France since 987 (table)

(Encyclopedia)Rulers of France since 987(including dates of reign) The Capetians House of Valois House of Bourbon The First Republic The First Empire Bourbon Restoration House of Bourbon-Orléans T...

Catalonia

(Encyclopedia)Catalonia kătəlōˈnēə [key], Catalan Catalunya, Span. Cataluña, autonomous communit...

Knights Hospitalers

(Encyclopedia)Knights Hospitalers, members of the military and religious Order of the Hospital of St. John of Jerusalem, sometimes called the Knights of St. John and the Knights of Jerusalem. The symbol of the Orde...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

Canadian literature, English

(Encyclopedia)Canadian literature, English, literary works produced in Canada and written in the English language. The essayist Northrop Frye is noted for his systematic classification of literature, presented in...

modern architecture

(Encyclopedia)modern architecture, new architectural style that emerged in many Western countries in the decade after World War I. It was based on the “rational” use of modern materials, the principles of funct...

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...