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prion

(Encyclopedia)prion prēˈŏn [key], abnormal form of a protein found in mammals, now generally believed to cause a group of diseases known as prion diseases or transmissible spongiform encephalopathies, which are ...

psychoanalysis

(Encyclopedia)psychoanalysis, name given by Sigmund Freud to a system of interpretation and therapeutic treatment of psychological disorders. Psychoanalysis began after Freud studied (1885–86) with the French neu...

eagle

(Encyclopedia)eagle, common name for large predatory birds of the family Accipitridae (hawk family), found in all parts of the world. Eagles are similar to the buteos, or buzzard hawks, but are larger both in lengt...

Hemingway, Ernest

(Encyclopedia)Hemingway, Ernest, 1899–1961, American novelist and short-story writer, b. Oak Park, Ill. one of the great American writers of the 20th cent. Hemingway's fiction usually focuses on people living ...

transmigration of souls

(Encyclopedia)transmigration of souls or metempsychosis mətĕmˌsəkōˈsĭs [key] [Gr.,=change of soul], a belief common to many cultures, in which the soul passes from one body to another, either human, animal, ...

immunity

(Encyclopedia)immunity, ability of an organism to resist disease by identifying and destroying foreign substances or organisms. Although all animals have some immune capabilities, little is known about nonmammalian...

water pollution

(Encyclopedia)water pollution, contamination of water resources by harmful wastes; see also sewerage, water supply, pollution, and environmentalism. The United States has enacted extensive federal legislation to ...

William the Silent

(Encyclopedia)William the Silent or William of Orange (William I, prince of Orange), 1533–84, Dutch statesman, principal founder of Dutch independence. William married four times. His first wife was Anne of Egm...

Eskimo

(Encyclopedia)Eskimo ĕsˈkəmō [key], a general term used to refer to a number of groups inhabiting the coastline from the Bering Sea to Greenland and the Chukchi Peninsula in NE Siberia. A number of distinct gro...

monkey

(Encyclopedia)monkey, any of a large and varied group of mammals of the primate order. The term monkey includes all primates that do not belong to the categories human, ape, or prosimian; however, monkeys do have c...