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Levi, Primo
(Encyclopedia) Levi, PrimoLevi, Primoprēˈmō lāˈvē [key], 1919–87, Italian writer. A chemist of Jewish descent, Levi was sent to the concentration camp at Auschwitz during World War II. His first…artificial insemination
(Encyclopedia) artificial insemination, technique involving the artificial injection of sperm-containing semen from a male into a female to cause pregnancy. Artificial insemination is often used in…lutetium
(Encyclopedia) lutetium, formerly luteciumluteciumboth: l&oomacr;tēˈshēəm [key], metallic chemical element; symbol Lu; atomic number 71; at. wt. 174.9668; m.p. about 1,663℃; b.p. about 3,395℃; sp…Daguerre, Louis Jacques Mandé
(Encyclopedia) Daguerre, Louis Jacques MandéDaguerre, Louis Jacques Mandélwē zhäk mäNdāˈ dägârˈ [key], 1789–1851, French scene painter and physicist, inventor of the daguerreotype, a photograph…chlorophyll
(Encyclopedia) CE5 chlorophyllchlorophyllklôrˈəfĭlˌ [key], green pigment that gives most plants their color and enables them to carry on the process of photosynthesis. Chemically, chlorophyll has…Hartmann, Nicolai
(Encyclopedia) Hartmann, NicolaiHartmann, Nicolainēˈkōlī [key], 1882–1950, German philosopher, b. Latvia. He taught at Marburg (1922–25), Cologne (1925–31), Berlin (1931–45), and Göttingen (1945–50…Barton, Derek H. R.
(Encyclopedia) Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of…Orphic Mysteries
(Encyclopedia) Orphic Mysteries or Orphism, religious cult of ancient Greece, prominent in the 6th cent. b.c. According to legend Orpheus founded these mysteries and was the author of the sacred…Bemba Gombo, Jean-Pierre
(Encyclopedia) Bemba Gombo, Jean-Pierre, 1962–, Congolese politician. Born to wealthy parents, he was educated in Brussels and built a business empire in what was then Zaïre. In the early 1990s he…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…Trending
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