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blood transfusion
(Encyclopedia)blood transfusion, transfer of blood from one person to another, or from one animal to another of the same species. Transfusions are performed to replace a substantial loss of blood and as supportive ...radio-frequency identification
(Encyclopedia)radio-frequency identification (RFID), a technology that uses radio waves to transmit data and uniquely identify an animal, person, or thing. An RFID system typically consists of a tag and a reader. T...sharecropping
(Encyclopedia)sharecropping, an agricultural system in which a landowner allows a tenant to use their land in return for a share of the crop produced. In the United S...New York State Barge Canal
(Encyclopedia)New York State Barge Canal: see New York State Canal System. ...periodic table
(Encyclopedia)CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arrange...Doudna, Jennifer Anne
(Encyclopedia)Doudna, Jennifer Anne, 1964–, American biochemist, b. Washington, D.C., Ph.D. Harvard Medical School, 1989. Doudna was a professor at Yale from 1994 to 2002, when she joined the faculty at the Univ....corporative state
(Encyclopedia)corporative state, economic system inaugurated by the Fascist regime of Benito Mussolini in Italy. It was adapted in modified form under other European dictatorships, among them Adolf Hitler's Nationa...Martin, William McChesney, Jr.
(Encyclopedia)Martin, William McChesney, Jr., 1906–98, U.S. banker, chairman of the Board of Governors of the Federal Reserve System (1951–70), b. St. Louis. After an early career as a stockbroker, Martin becam...spastic paralysis
(Encyclopedia)spastic paralysis, form of paralysis in which the part of the nervous system that controls coordinated movement of the voluntary muscles is disabled. In spastic paralysis the nerves controlling muscle...calculator
(Encyclopedia)calculator or calculating machine, device for performing numerical computations; it may be mechanical, electromechanical, or electronic. The electronic computer is also a calculator but performs other...Browse by Subject
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