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immunosuppressive drug

(Encyclopedia)immunosuppressive drug, any of a variety of substances used to prevent production of antibodies. They are commonly used to prevent rejection by a recipient's body of an organ transplanted from a donor...

natural rights

(Encyclopedia)natural rights, political theory that maintains that an individual enters into society with certain basic rights and that no government can deny these rights. The modern idea of natural rights grew ou...

Khodorkovsky, Mikhail Borisovich

(Encyclopedia)Khodorkovsky, Mikhail Borisovich mēkhəyēlˈ bərēˈsəvĭch kōdôrkôfˈskē [key], 1963–, Russian business executive. In the waning years of the Soviet Union, he ran a computer import business...

Blake, William

(Encyclopedia)Blake, William, 1757–1827, English poet and artist, b. London. Although he exerted a great influence on English romanticism, Blake defies characterization by school, movement, or even period. At the...

Euphrates

(Encyclopedia)Euphrates yo͞ofrāˈtēz [key], Turkish Frat, Arabic Al Furat, river of SW Asia, c.1,700 mi (2,740 km) long, formed by the confluence of the Kara and the Murad rivers, E central Turkey, and flowing g...

Niemeyer Soares, Oscar

(Encyclopedia)Niemeyer Soares, Oscar o͝oskärˈ nēˈmīər so͝oäˈrəs [key], 1907–2012, Brazil's foremost 20th-century architect, b. Rio de Janeiro. Influenced by Le Corbusier, Niemeyer developed an architec...

Niger, river, Africa

(Encyclopedia)Niger nīˈjər [key], great river of W Africa, c.2,600 mi (4,180 km) long, rising on the Fouta Djallon plateau, SW Guinea, and flowing NE through Guinea and into Mali. In central Mali the Niger forms...

Hunter, William

(Encyclopedia)Hunter, William, 1718–83, Scottish physician. He was famous as a lecturer, as London's leading obstetrician, as professor of anatomy and later president of the Royal Academy of Arts, and as head of ...

graveyard school

(Encyclopedia)graveyard school, 18th-century school of English poets who wrote primarily about human mortality. Often set in a graveyard, their poems mused on the vicissitudes of life, the solitude of death and the...

Amnesty International

(Encyclopedia)Amnesty International (AI,) human-rights organization founded in 1961 by Englishman Peter Benenson; it campaigns internationally against the detention of prisoners of conscience, for the fair trial of...