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earthworm

(Encyclopedia)earthworm, terrestrial, cylindrical segmented worm of the class Oligochaeta. There are 2,200 earthworm species, found all over the world except in arid and arctic regions and ranging in size from 1 in...

Tuareg

(Encyclopedia)Tuareg or Touareg both: twäˈrĕg [key], Berbers of the Sahara, numbering c.2 million. They have preserved their ancient alphabet, which is related to that used by ancient Libyans. The Tuaregs tradit...

space probe

(Encyclopedia)space probe, space vehicle carrying sophisticated instrumentation but no crew, designed to explore various aspects of the solar system (see space exploration). Unlike an artificial satellite, which is...

Heath, Sir Edward Richard George

(Encyclopedia)Heath, Sir Edward Richard George, 1916–2005, British statesman. Educated at Oxford, he served in the Royal Artillery during World War II, rising to the rank of colonel. He was elected to Parliament ...

Jiangsu

(Encyclopedia)Jiangsu kyängˈso͞oˈ, jyängˈ– [key], province (2010 pop. 78,659,903), c.41,000 sq mi (106,190 sq km), E China, on the Yellow Sea. Nanjing is the capital. Jiangsu was originally part of the W...

Australian aborigines

(Encyclopedia)Australian aborigines, indigenous peoples of Australia. The first modern humans in Australia probably came from somewhere in Asia more than 40,000 years ago, most likely sometime between 55,000 and 10...

cabinet

(Encyclopedia)cabinet, group of advisers to the head of the state who themselves are usually the heads of the administrative government departments. The nature of the cabinet differs widely in various countries. In...

Gulag

(Encyclopedia)Gulag, system of forced-labor prison camps in the USSR, from the Russian acronym [GULag] for the Main Directorate of Corrective Labor Camps, a department of the Soviet secret police (originally the Ch...

vapor pressure

(Encyclopedia)vapor pressure, pressure exerted by a vapor that is in equilibrium with its liquid. A liquid standing in a sealed beaker is actually a dynamic system: some molecules of the liquid are evaporating to f...

Holy Alliance

(Encyclopedia)Holy Alliance, 1815, agreement among the emperors of Russia and Austria and the king of Prussia, signed on Sept. 26. It was quite distinct from the Quadruple Alliance (Quintuple, after the admission o...