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spinal puncture
(Encyclopedia) spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or…Kajita, Takaaki
(Encyclopedia) Kajita, Takaaki 1959–, Japanese physicist, Ph.D. Univ. of Tokyo, 1986. In 1988 he joined the faculty at the Univ. of Tokyo, where he is now professor and director of the Institute for…Avogadro's number
(Encyclopedia) Avogadro's numberAvogadro's numberävōgäˈdrō [key] [for Amedeo Avogadro], number of particles contained in one mole of any substance; it is equal to 602,252,000,000,000,000,000,000, or…Candela, Felix
(Encyclopedia) Candela, Felix (Félix Candela Outeriño)Candela, Felixfāˈlēks kändāˈlä [key], 1910–97, Mexican-American architect, b. Madrid. Candela studied in Madrid but was forced to flee Spain…observatory
(Encyclopedia) observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term…Klug, Sir Aaron
(Encyclopedia) Klug, Sir AaronKlug, Sir Aaronkl&oomacr;g [key], 1926–2018, British biochemist, b. Lithuania. Raised and educated in South Africa, he moved to England and completed his doctorate…Lansing
(Encyclopedia) Lansing. 1 Village (1990 pop. 28,086), Cook co., NE Ill., a suburb of Chicago, near the Ind. line; inc. 1893. Among the city's industries are meatpacking, food processing, and the…Hagler, Marvelous Marvin
(Encyclopedia) Hagler, Marvelous Marvin (Marvin Nathaniel Hagler), 1954-2021, African American champion middle-weight boxer, b. Newark, N.J. Raised…oscilloscope
(Encyclopedia) oscilloscopeoscilloscopeəsĭlˈəskōpˌ [key], electronic device used to produce visual displays corresponding to electrical signals. Displays of such nonelectrical phenomena as the…King, Martin Luther, Jr.
(Encyclopedia) King, Martin Luther, Jr., 1929–68, American clergyman and civil-rights leader, b. Atlanta, Ga., grad. Morehouse College (B.A., 1948), Crozer Theological Seminary (B.D., 1951), Boston…Trending
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