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Great Lakes, North America

(Encyclopedia)Great Lakes, group of five freshwater lakes, central North America, creating a natural border between the United States and Canada and forming the largest body of freshwater in the world, with a combi...

swimming

(Encyclopedia)swimming, self-propulsion through water, often as a form of recreation or exercise or as a competitive sport. It is mentioned in many of the classics in connection with heroic acts or religious rites....

surveying

(Encyclopedia)surveying, method of determining accurately points and lines of direction (bearings) on the earth's surface and preparing from them maps or plans. Boundaries, areas, elevations, construction lines, an...

gay-rights movement

(Encyclopedia)gay-rights movement, organized efforts to end the criminalization of homosexuality and protect the civil rights of homosexuals. While there was some organized activity on behalf of the rights of homos...

learning disabilities

(Encyclopedia)learning disabilities, in education, any of various disorders involved in understanding or using spoken or written language, including difficulties in listening, thinking, talking, reading, writing, s...

land art

(Encyclopedia)land art or earthworks, art form developed in the late 1960s and early 70s by Robert Smithson, Robert Morris, Michael Heizer, and others, in which the artist employs the elements of nature in situ or ...

landslide

(Encyclopedia)landslide, rapid slipping of a mass of earth or rock from a higher elevation to a lower level under the influence of gravity and water lubrication. More specifically, rockslides are the rapid downhill...

Atacama Desert

(Encyclopedia)Atacama Desert ätäkäˈmä [key], arid region, c.600 mi (970 km) long, N Chile, extending south from the border of Peru. The desert itself, c.2,000 ft (610 m) above sea level, is a series of dry sal...

Major, John, 1943–, British politician

(Encyclopedia)Major, John, 1943–, British statesman, b. John Major Ball. Raised in a working-class area of London, he was elected to Lambeth borough council (1968–71) and entered Parliament as a Conservative in...

Manipur

(Encyclopedia)Manipur mənĭpo͝orˈ [key], state (2001 provisional pop. 2,388,634), 8,628 sq mi (22,347 sq km), NE India, bordered by Myanmar on the south and east. Imphal is the capital. The terrain, mostly jungl...