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Sardou, Victorien
(Encyclopedia)Sardou, Victorien vēktôryăNˈ särdo͞oˈ [key], 1831–1908, French dramatist. Author of some 70 plays, he won great popularity with his light comedies and pretentious historical pieces, but his r...recombination
(Encyclopedia)recombination, process of “shuffling” of genes by which new combinations can be generated. In recombination through sexual reproduction, the offspring's complete set of genes differs from that of ...polymerase chain reaction
(Encyclopedia)polymerase chain reaction pŏlˈĭmərāsˌ [key] (PCR), laboratory process in which a particular DNA segment from a mixture of DNA chains is rapidly replicated, producing a large, readily analyzed sa...Levittown
(Encyclopedia)Levittown lĕvˈət-tounˌ [key]. 1 Uninc. residential city (1990 pop. 53,286), Nassau co., SE N.Y., on Long Island; founded 1947. Originally about 7 sq mi (18 sq km) of potato fields, it was develope...Lee, Peggy
(Encyclopedia)Lee, Peggy, 1920–2002, American singer and songwriter, b. Jamestown, N.D., as Norma Deloris Egstrom. Lee became famous for her singular voice—sexy, subtle, simultaneously smoky and cool—and her ...Seton, Saint Elizabeth Ann
(Encyclopedia)Seton, Saint Elizabeth Ann, 1774–1821, American Roman Catholic leader, usually called Mother Seton, b. Elizabeth Ann Bayley, New York City. She was the daughter of a prominent physician. Her husband...obesity
(Encyclopedia)obesity, condition resulting from excessive storage of fat in the body. Obesity is now usually defined using a formula known as the body mass index (BMI), in which weight (in kilograms) is divided by ...Stoppard, Tom
(Encyclopedia)Stoppard, Tom, 1937–, English playwright, b. Zlín, Czechoslovakia (now in the Czech Republic), as Tomas Straussler. During his childhood he and his family moved to Singapore, later (1946) settling ...tap dance
(Encyclopedia)tap dance, theatrical dance form in which the dancer, wearing shoes with metal heel and toe taps, beats out complex, syncopated rhythms on the floor. After a slump in popularity in the 1960s, tap ...osteoporosis
(Encyclopedia)osteoporosis ŏsˌtēōˌpərōˈsĭs [key], disorder in which the normal replenishment of old bone tissue is severely disrupted, resulting in weakened bones and increased risk of fracture; osteopenia...Browse by Subject
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