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Tombstone

(Encyclopedia)Tombstone, city (1990 pop. 1,220), Cochise co., SE Ariz.; inc. 1881. With its pleasant climate and legendary past, Tombstone is a well-known tourist attraction. The city became a national historic lan...

toy

(Encyclopedia)toy, article designed to be played with, chiefly for children. Archaeological research has revealed numerous playthings from prehistoric civilizations. Early Egyptian, Greek, and Roman dolls, tops, ba...

Ségou

(Encyclopedia)Ségou or Segu both: sāgo͞oˈ [key], town (1993 est. pop. 85,000), SW Mali, a port on the Niger River. It is the administrative and commercial center for an area where cotton, rice, millet, and pean...

Şanlıurfa

(Encyclopedia)Şanlıurfa o͞orˈfä [key], city (1990 pop. 278,516), capital of Şanlıurfa prov., SE Turkey. It is the trade center for a productive agricultural region and one of the most rapidly growing cities ...

firebrick

(Encyclopedia)firebrick, brick that can withstand high temperatures, used to line flues, stacks, furnaces, and fireplaces. In general, such bricks have high melting points that range from about 2,800℉ (1.540℃) ...

hydrotherapy

(Encyclopedia)hydrotherapy, use of water in the treatment of illness or injury. Although the medicinal and hygienic value of water was recognized by the early Greeks, hydrotherapy attained its widest use in the 18t...

heatstroke

(Encyclopedia)heatstroke, profound disturbance of the heat-regulating mechanism of the body, also known as sunstroke. It is characterized by extremely high body temperatures and sometimes by convulsions and coma. T...

Kapitza, Peter

(Encyclopedia)Kapitza, Peter käˈpētsə [key], 1894–1984, Russian physicist, educated at the polytechnic institute of Petrograd (now St. Petersburg) and at Cambridge. He developed equipment (for a laboratory at...

Bergius, Friedrich Karl Rudolf

(Encyclopedia)Bergius, Friedrich Karl Rudolf, 1884–1949, German chemist, Ph.D. Univ. of Leipzig, 1907. In 1910, Bergius set up a laboratory to carry out his research and in 1914 transferred the operation to the E...

Vane, Sir John Robert

(Encyclopedia)Vane, Sir John Robert, 1927–2004, British pharmacologist, Ph.D. Oxford, 1953. With B. I. Samuelsson and Sune K. Bergström, Vane was awarded the 1982 Nobel Prize in Physiology or Medicine. The trio ...