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Burke, Edmund

(Encyclopedia)Burke, Edmund, 1729–97, British political writer and statesman, b. Dublin, Ireland. Burke left, in his many and diverse writings, a monumental construction of British political thought that had fa...

cosmology

(Encyclopedia)cosmology, area of science that aims at a comprehensive theory of the structure and evolution of the entire physical universe. The earliest pre-Ptolemaic theories assumed that the earth was the cent...

New Deal

(Encyclopedia)New Deal, in U.S. history, term for the domestic reform program of the administration of Franklin Delano Roosevelt; it was first used by Roosevelt in his speech accepting the Democratic party nominati...

non-Euclidean geometry

(Encyclopedia)non-Euclidean geometry, branch of geometry in which the fifth postulate of Euclidean geometry, which allows one and only one line parallel to a given line through a given external point, is replaced b...

conservation laws

(Encyclopedia)conservation laws, in physics, basic laws that together determine which processes can or cannot occur in nature; each law maintains that the total value of the quantity governed by that law, e.g., mas...

pregnancy

(Encyclopedia)pregnancy, period of time between fertilization of the ovum (conception) and birth, during which mammals carry their developing young in the uterus (see embryo). The average duration of pregnancy in h...

Copenhagen

(Encyclopedia)Copenhagen köˌbənhounˈ [key], city (2021 pop. 799,033), capital of Denmark and of Copenhagen co., ...

Tuscany

(Encyclopedia)Tuscany tŭsˈkənē [key], Ital. Toscana, region (1991 pop. 3,538,619), 8,876 sq mi (22,989 sq km), N central Italy, bordering on the Tyrrhenian Sea in the west and including the Tuscan Archipelago. ...

Taft, William Howard

(Encyclopedia)Taft, William Howard, 1857–1930, 27th President of the United States (1909–13) and 10th chief justice of the United States (1921–30), b. Cincinnati. Taft retired from public life and taught ...

Manichaeism

(Encyclopedia)Manichaeism mănĭkēˈənĭzəm [key], religion founded by Mani (c.216–c.276). Several Christian emperors, including Justinian, published edicts against the Manichees. St. Augustine, in his yout...