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biofeedback

(Encyclopedia) biofeedback, method for learning to increase one's ability to control biological responses, such as blood pressure, muscle tension, and heart rate. Sophisticated instruments are often…

organic farming

(Encyclopedia) organic farming, the practice of growing plants—especially for fruits and vegetables, but for ornamentals as well—without the use of synthetic pesticides, herbicides, and fertilizers,…

Wolf, Markus Johannes

(Encyclopedia) Wolf, Markus JohannesWolf, Markus Johannesmärˈk&oobreve;s yōhänˈəs [key]Wolf, Markus Johannes vôlf [key], 1923–2006, East German spymaster. A legendary cold-war espionage chief, he…

rotary engine

(Encyclopedia) rotary engine, internal-combustion engine whose cycle is similar to that of a piston engine, but which produces rotary motion directly without any conversion from reciprocating motion…

spontaneous combustion

(Encyclopedia) spontaneous combustion, phenomenon in which a substance unexpectedly bursts into flame without apparent cause. In ordinary combustion, a substance is deliberately heated to its…

recoilless rifle

(Encyclopedia) recoilless rifle, light artillery piece, without recoil, usually operated by two men. An American invention, it was used as an infantry weapon for attacking fortifications such as…

Texas Woman's University

(Encyclopedia) Texas Woman's University, main campus at Denton; state supported; primarily for women; est. 1901. It is the largest state-supported university for women in the country. There are…

Langham, Simon

(Encyclopedia) Langham, SimonLangham, Simonlăngˈəm [key], d. 1376, English prelate and statesman, cardinal of the Roman Catholic Church. He ruled the abbey of Westminster with such skill that Edward…

Grasso, Ella Tambussi

(Encyclopedia) Grasso, Ella TambussiGrasso, Ella Tambussitămby&oomacr;ˈsē [key], 1919–81, U.S. politician, governor of Connecticut (1975–80), b. Windsor Locks, Conn. A Democrat, she was elected…

Olesha, Yuri

(Encyclopedia) Olesha, Yuri, 1899–1960, Russian novelist and dramatist. In his novel Envy (1927; tr. 1936) and in his other writing, Olesha focused on the conflict between the demands of an…