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migration of animals

(Encyclopedia)migration of animals, movements of animals in large numbers from one place to another. In modern usage the term is usually restricted to regular, periodic movements of populations away from and back t...

Students for a Democratic Society

(Encyclopedia)Students for a Democratic Society (SDS), in U.S. history, a radical student organization of the 1960s. In the influential Port Huron (Mich.) Statement (1962), the organization, founded in 1960, presen...

Daughters of the American Revolution

(Encyclopedia)Daughters of the American Revolution (DAR), a Colonial patriotic society in the United States, open to women having one or more ancestors who aided the cause of the Revolution. The society was organiz...

American Association for the Advancement of Science

(Encyclopedia)American Association for the Advancement of Science (AAAS), private organization devoted to furthering the work of scientists and improving the effectiveness of science in the promotion of human welfa...

vivisection

(Encyclopedia)vivisection vĭvˌĭsĕkˈshən [key], dissection of living animals for experimental purposes. The use of the term in recent years has been expanded to include all experimentation on living animals, r...

Jesus, Society of

(Encyclopedia)Jesus, Society of, religious order of the Roman Catholic Church. Its members are called Jesuits. St. Ignatius of Loyola, its founder, named it Compañia de Jesús [Span.,=(military) company of Jesus];...

Friends, Religious Society of

(Encyclopedia)Friends, Religious Society of, religious body originating in England in the middle of the 17th cent. under George Fox. The members are commonly called Quakers, originally a term of derision. The org...

secret society

(Encyclopedia)secret society, organization of initiated persons whose members, purposes, and rituals are kept secret. Human groups throughout history have maintained secret societies. The ceremonies of initiation i...

John Birch Society

(Encyclopedia)John Birch Society, ultraconservative, anti-Communist organization in the United States. It was founded in Dec., 1958, by manufacturer Robert Welch, headquartered in Belmont, Mass., and named after Jo...

Great Society

(Encyclopedia)Great Society, in U.S. history, term for the domestic policies of President Lyndon Johnson. In his first State of the Union message, he called for a war on poverty and the creation of a “Great Socie...