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radium
(Encyclopedia) radiumradiumrāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about…Mantle, Mickey
(Encyclopedia) Mantle, Mickey (Mickey Charles Mantle), 1931–95, American baseball player, b. Spavinaw, Okla. In 1951, he joined the New York Yankees of the American League; eventually he replaced Joe…Lockerbie
(Encyclopedia) LockerbieLockerbielŏkˈərbē [key], village (1991 pop. 3,892), Dumfries and Galloway, S Scotland, site of a 1988 airplane crash. On Dec. 21, 1988, a New York–bound Pan Am Boeing 747…melanin
(Encyclopedia) melaninmelaninmĕlˈənĭn [key], water-insoluble polymer of various compounds derived from the amino acid tyrosine. It is one of two pigments found in human skin and hair and adds brown…laetrile
(Encyclopedia) laetrilelaetrilelāˈətrĭlˌ [key], name given to the chemical amygdalin, a substance derived from an extract of the kernels of many fruits, notably apricots, bitter almonds, and peaches…Kurosawa, Akira
(Encyclopedia) Kurosawa, AkiraKurosawa, Akiraäkēˈrä k&oomacr;rōˈsäwä [key], 1910–98, Japanese film director, scriptwriter, and producer, b. Tokyo. He is regarded as one of the world's greatest…Food and Drug Administration
(Encyclopedia) Food and Drug Administration (FDA), agency of the Public Health Service division of the U.S. Department of Health and Human Services. It is charged with protecting public health by…fever
(Encyclopedia) fever, elevation of body temperature above the normal level, which in humans is about 98℉ (37℃) when measured orally. Fever is considered to be a symptom of a disorder rather than a…beef
(Encyclopedia) beef, flesh of cattle prepared for food. It has become one of the chief products of the meatpacking industry and is sold either chilled, frozen, or cured. The leading beef consumers,…prostate gland
(Encyclopedia) prostate gland, gland that is part of the male reproductive system. It is an organ about the size of a chestnut and consists of glandular and muscular tissue. It is situated below the…Trending
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