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Gregory, Dick
(Encyclopedia)Gregory, Dick (Richard Claxton Gregory), 1932–2017, African-American civil-rights activist and comedian, b. St. Louis, Mo. A biting satirist who used the struggle for civil rights and other topical ...white shark
(Encyclopedia)white shark, large, ferocious shark, Carcharodon carcharias. Also known as the great white shark and maneater, this shark can attack swimmers and boats without provocation, though it does not typicall...yarn
(Encyclopedia)yarn, fibers or filaments formed into a continuous strand for use in weaving textiles or for the manufacture of thread. A staple fiber, such as cotton, linen, or wool, is made into yarn by carding, co...inert gas
(Encyclopedia)inert gas or noble gas, any of the elements in Group 18 of the periodic table. In order of increasing atomic number they are: helium, neon, argon, krypton, xenon, and radon. They are colorless, odorle...Lawrence Berkeley National Laboratory
(Encyclopedia)Lawrence Berkeley National Laboratory and Lawrence Livermore National Laboratory, scientific research centers run by the Univ. of California, located in Berkeley, Calif., and Livermore, Calif., respec...liquid crystal
(Encyclopedia)liquid crystal, liquid whose component particles, atoms or molecules, tend to arrange themselves with a degree of order far exceeding that found in ordinary liquids and approaching that of solid cryst...Hersey, John Richard
(Encyclopedia)Hersey, John Richard hûrˈsē [key], 1914–93, American author, b. China, grad. Yale, 1936, where he later taught writing (1965–84); studied Cambridge. Reflecting his experiences as a war correspo...Alvarez, Luis Walter
(Encyclopedia)Alvarez, Luis Walter, 1911–88, American physicist, b. San Francisco, grad. Univ. of Chicago, 1932, Ph.D. 1936. He was awarded the 1968 Nobel Prize in Physics for his discovery of a large number of r...United States Naval Observatory
(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...kudu
(Encyclopedia)kudu ko͞oˈdo͞o [key], either of two oshort-haired African antelopes of genus Tragelaphus. The greater kudu, T. strepsiceros, has a reddish brown coat with thin vertical white stripes on its sides. ...Browse by Subject
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