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cosmic rays

(Encyclopedia)cosmic rays, charged particles moving at nearly the speed of light reaching the earth from outer space. Primary cosmic rays consist mostly of protons (nuclei of hydrogen atoms), some alpha particles (...

carbon cycle

(Encyclopedia)CE5 Carbon cycle carbon cycle, in biology, the exchange of carbon between living organisms and the nonliving environment. Inorganic carbon dioxide in the atmosphere is converted by plants into sim...

Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...

European Council

(Encyclopedia)European Council, institution of the European Union (EU) responsible for defining the EU's general political direction and priorities. It is composed of an elected president (who serves a two-and-a-ha...

Reich, Wilhelm

(Encyclopedia)Reich, Wilhelm vĭlˈhĕlm rīkh [key], 1897–1957, Austrian psychiatrist and biophysicist. For many years a chief associate at Freud's Psychoanalytic Polyclinic in Vienna, he later broke with Freud ...

9/11

(Encyclopedia)9/11, the terrorist attacks on Sept. 11, 2001, in the United States, and the associated events and impact of those attacks. The attacks, which were carried out by agents of Al Qaeda (a militant Islami...

Vásquez, Horacio

(Encyclopedia)Vásquez, Horacio ōräˈsyō väˈskās [key], 1860–1936, president of the Dominican Republic (1899–1903, 1903–7, 1924–30). A dominating figure in the nation, even when out of office, Vásque...

universal time

(Encyclopedia)universal time (UT), the international time standard common to every place in the world, it nominally reflects the mean solar time along the earth's prime meridian (renumbered to equate to civil time)...

Kansas State University

(Encyclopedia)Kansas State University, main campus at Manhattan; coeducational; land-grant and state supported; chartered and opened 1863. There is an additional campus at Salina. Among the university's research fa...

Stas, Jean Servais

(Encyclopedia)Stas, Jean Servais zhäNˈ sĕrvāˈ stäs [key], 1813–91, Belgian chemist. He was assistant to J. B. A. Dumas and professor (1840–65) at the École royale militaire, Brussels. He is noted for his...