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Green Revolution

(Encyclopedia)Green Revolution, term referring mainly to dramatic increases in cereal-grain yields in many developing countries beginning in the late 1960s, due largely to use of genetically improved varieties. Beg...

Nüsslein-Volhard, Christiane

(Encyclopedia)Nüsslein-Volhard, Christiane,1942–, German biologist and geneticist, Ph.D. Univ. of Tübingen, 1973. Since 1985 she has been director of the genetics division of the Max Planck Institute for Develo...

nitrogen mustard

(Encyclopedia)nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the form of its crys...

Wieschaus, Eric Francis

(Encyclopedia)Wieschaus, Eric Francis, 1947–, American biologist and geneticist, b. South Bend, Ind., Ph.D. Yale 1974. He was a researcher at the European Molecular Biology Laboratory in Heidelberg, Germany, from...

Beadle, George Wells

(Encyclopedia)Beadle, George Wells, 1903–89, American geneticist, b. Wahoo, Nebr., grad. Univ. of Nebraska (B.S., 1926; M.S., 1927), Ph.D. Cornell, 1931. Beadle taught (1931–36) biology at the California Instit...

Thorndike, Edward Lee

(Encyclopedia)Thorndike, Edward Lee thôrnˈdīk [key], 1874–1949, American educator and psychologist, b. Williamsburg, Mass., grad. Wesleyan Univ., 1895, and Harvard, 1896, Ph.D. Columbia, 1898. Appointed instru...

insulin

(Encyclopedia)insulin, hormone secreted by the β cells of the islets of Langerhans, specific groups of cells in the pancreas. Insufficiency of insulin in the body results in diabetes. Insulin was one of the first ...

Dimitrovgrad

(Encyclopedia)Dimitrovgrad dĭmēˈtrôvgrät [key], city, S Bulgaria, on the Maritsa River. Located on the ...

Aldridge-Brownhills

(Encyclopedia)Aldridge-Brownhills ôlˈdrĭj-brounˈhĭlz [key], town, Walsall metropolitan district, central England. It was created in 1966 through the merger of two former districts....

Coleraine

(Encyclopedia)Coleraine kōlrānˈ [key], town and district, N Northern Ireland, near the mouth of the Bann ...

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