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isotope

(Encyclopedia)CE5 Isotopes of hydrogen isotope īˈsətōp [key], in chemistry and physics, one of two or more atoms having the same atomic number but differing in atomic weight and mass number. The concept of ...

Seaborg, Glenn Theodore

(Encyclopedia)Seaborg, Glenn Theodore sēˈbôrg [key], 1912–99, American chemist, b. Ishpeming, Mich., grad. Univ. of California at Los Angeles, 1934, Ph.D. Univ. of California at Berkeley, 1937. In 1939, he beg...

Georgia Institute of Technology

(Encyclopedia)Georgia Institute of Technology, in Atlanta, Ga.; coeducational; state supported; chartered 1885, opened 1888. It is a member school in the university system of Georgia. Significant among its faciliti...

Iran hostage crisis

(Encyclopedia)Iran hostage crisis, in U.S. history, events following the seizure of the American embassy in Tehran by Iranian students on Nov. 4, 1979. The overthrow of Muhammad Reza Shah Pahlevi of Iran by an Isla...

tuna

(Encyclopedia)tuna or tunny, game and food fishes, the largest members of the family Scombridae (mackerel family) and closely related to the albacore and bonito. They have streamlined bodies with two fins, and five...

Atlantic Charter

(Encyclopedia)Atlantic Charter ətlătĭk, ăt– [key], joint program of peace aims, enunciated by Prime Minister Winston Churchill of Great Britain and President Franklin Delano Roosevelt of the United States on ...

Pierrelatte

(Encyclopedia)Pierrelatte pyĕrlätˈ [key], town, Drôme dept., SE France. The center of France's nuclear industry, Pierrelatte has a large uranium-producing complex. Other industries include jute weaving and the ...

Commoner, Barry

(Encyclopedia)Commoner, Barry, 1917–2012, American biologist, educator, and activist, one of the founders of the modern environmental movement, b. Brooklyn, N.Y., grad. Columbia (B.A., 1937), Harvard (Ph.D., 1941...

Richland

(Encyclopedia)Richland, city (1990 pop. 32,315), Benton co., S Wash., at the confluence of the Columbia and Yakima rivers, in an irrigated farm and vineyard region; inc. 1958. It is the headquarters of the U.S. Dep...

Koizumi, Junichiro

(Encyclopedia)Koizumi, Junichiro jo͝onēˈchērō kōēˈzo͞omē [key], 1942–, Japanese political leader, b. Yokosuka. From a political family, he studied economics at Keio Univ. (grad. 1967). He entered politi...