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gymnastics

(Encyclopedia)gymnastics, exercises for the balanced development of the body (see also aerobics), or the competitive sport derived from these exercises. Although the ancient Greeks (who invented the building called...

horsetail

(Encyclopedia)horsetail, any plant of the genus Equisetum [Lat.,=horse bristle], the single surviving genus of a large group (Equisetophyta) of primitive vascular plants. Like the ferns and club mosses, relatives o...

Shaffer, Sir Peter

(Encyclopedia)Shaffer, Sir Peter shăfˈər [key], 1926–2016, English playwright, b. Liverpool, grad. Cambridge, 1950. Before turning to the stage he wrote for radio and television and was the author of several m...

Perelman, S. J.

(Encyclopedia)Perelman, S. J. (Sidney Joseph Perelman) pĕrˈəlmən [key], 1904–79, American comic writer, b. Brooklyn, N.Y. He entered the magazine world as a cartoonist for a New York weekly, soon turning from...

Saint Mark's Church

(Encyclopedia)Saint Mark's Church, Venice, named after the tutelary saint of Venice. The original Romanesque basilical church, built in the 9th cent. as a shrine for the saint's bones, was destroyed by fire in 967....

nettle

(Encyclopedia)nettle, common name for the Urticaceae, a family of fibrous herbs, small shrubs, and trees found chiefly in the tropics and subtropics. Several genera of nettles are covered with small stinging hairs ...

lark

(Encyclopedia)lark, common name for members of the large family Alaudidae, perching birds of terrestrial habits, chiefly of the Old World and best-known through the skylark, Alauda arvensis. The horned larks belong...

Křenek, Ernst

(Encyclopedia)Křenek, Ernst krĕˈnĕk, Czech kerzhĕˈnĕk [key], 1900–1991, Austrian-American composer, b. Vienna. to Czech parents. He studied in Vienna and Berlin, and in the early 1920s he composed chamber ...

Kamen, Martin David

(Encyclopedia)Kamen, Martin David kāˈmən [key], 1913–2002, American biochemist, b. Toronto, Canada, grad. Univ. of Chicago (B.S., Ph.D. 1937). He discovered carbon-14, the radioactive isotope of carbon used to...

Klíma, Ivan

(Encyclopedia)Klíma, Ivan ēvänˈ klēmˈə [key], 1931–, Czech author, b. Prague as Ivan Kauders, grad. Charles Univ., Prague (1956). Of Jewish descent, Klíma spent 1941–45 in the Theresienstadt (now Terez�...