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preventive medicine

(Encyclopedia) preventive medicine, branch of medicine dealing with the prevention of disease and the maintenance of good health practices. Until recently preventive medicine was largely the domain…

Sevan

(Encyclopedia) SevanSevansyĭvänˈ [key], lake, c.540 sq mi (1,400 sq km), NE Armenia, at an altitude of 6,280 ft (1,914 m); it is 324 ft (99 m) deep. The largest lake of the Caucasus, it is fed by…

Segrè, Emilio

(Encyclopedia) Segrè, Emilio, 1905–89, Italian-American physicist, Ph.D. Univ. of Rome, 1928. Segrè was a professor at the Univ. of Rome (1932–36), a researcher at the Univ. of California, Berkeley (…

Papagos, Alexander

(Encyclopedia) Papagos, AlexanderPapagos, Alexanderpäˈpägôs [key], 1883–1955, Greek soldier and political leader. Commissioned an officer in the Greek army in 1906, he rose rapidly through the ranks…

Pérez Molina, Otto

(Encyclopedia) Pérez Molina, Otto, 1950–, Guatemalan army officer and politician, b. Guatemala City. Pérez rose through the officer ranks to become a general, leading troops and then military…

periscope

(Encyclopedia) periscopeperiscopepĕrˈĭskōp [key] [Gr.,=view around], instrument to enable a person to see objects not in his direct line of vision or concealed by some intervening body. Its essential…

Shirakawa, Hideki

(Encyclopedia) Shirakawa, Hideki, 1936–, Japanese chemist, Ph.D. Tokyo Institute of Technology, 1966. Shirakawa was a research assistant at the Tokyo Institute of Technology from 1966 to 1979. He…

Shearing, Sir George Albert

(Encyclopedia) Shearing, Sir George Albert, 1919–2011, British jazz pianist, b. London. Shearing overcame lifelong blindness to become a world-famous musician, the creator of a style of jazz, and the…

Shah Alam

(Encyclopedia) Shah AlamShah Alamshä äˈləm [key], 1728–1806, Mughal emperor of India (1759–1806). Driven out of Delhi in 1758, he nonetheless proclaimed himself emperor after the murder (1759) of his…

Simeon II

(Encyclopedia) Simeon II,&sp;Simeon Borisov Sakskoburggotski, or Simeon Borisov Saxe-Coburg-Gotha, 1937–, czar (1943–46) and premier (2001–5) of Bulgaria. He succeeded his father, Boris III,…