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athlete's heart

(Encyclopedia)athlete's heart, common term for an enlarged heart associated with repeated strenuous exercise. As a result of the increased workload required of it, the heart will increase physiologically by enlargi...

Kendrew, John Cowdery

(Encyclopedia)Kendrew, John Cowdery, 1917–97, British biochemist, grad. Cambridge (Ph.D. 1949). He was a fellow of Peterhouse College at Cambridge from 1947 to 1975 and was scientific adviser to the British minis...

Carrera, Rafael

(Encyclopedia)Carrera, Rafael räfäĕlˈ [key], 1814–65, president of Guatemala, a caudillo. He led the revolution against the anticlerical liberal government of Guatemala, and his ultimate success in 1840 helpe...

Tuwim, Julian

(Encyclopedia)Tuwim, Julian yo͞olˈyän to͞oˈvēm [key], 1894–1953, Polish poet. A leader of the Skamander group of experimental poets, he was also a major figure in his nation's literature. In his principal c...

shape memory

(Encyclopedia)shape memory, property possessed by certain alloys that allows them to return, when heated, to their original shape after having been deformed. This effect results because, as the alloy is deformed, i...

colon cancer

(Encyclopedia)colon cancer, cancer of any part of the colon (often called the large intestine). Colon cancer is the second most common cancer diagnosed in the United States. Epidemiological evidence has shown that ...

hepatitis

(Encyclopedia)hepatitis hĕpˌətīˈtĭs [key], inflammation of the liver. There are many types of hepatitis. Causes include viruses, toxic chemicals, alcohol consumption, parasites and bacteria, and certain drugs...

Hercules, Greek hero

(Encyclopedia)Hercules both: hĕrˈəklēzˌ [key], most popular of all Greek heroes, famous for extraordinary strength and courage. Alcmene, wife of Amphitryon, made love to both Zeus and her husband on the same n...

Milošević, Slobodan

(Encyclopedia)Milošević, Slobodan slôbôˈdän mēlôˈshəvĭchˌ [key], 1941–2006, Yugoslav and Serbian political leader, president of Serbia (1989–97) and of Yugoslavia (1997–2000), b. Požarevac, Serbi...

tick

(Encyclopedia)tick, small, parasitic arachnid of the order Ixodida, closely related to the mites. Ticks, which are larger than the often microscopic mites, are all parasitic in at least one developmental stage; mos...