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Amazon, river, Peru and Brazil

(Encyclopedia)Amazon, Port. Amazonas ämäzōˈnəs [key], world's second longest river, c.3,900 mi (6,280 km) long, formed by the junction in N Peru's Andes Mts. of two major headstreams, the Ucayali and the short...

Xinjiang

(Encyclopedia)Xinjiang shĭnˈjyängˈ, sĭnˈkyăng [key] [Chinese,=new frontier], officially Xinjiang Uygur Autonomous Region (Mandarin Xinjiang Uygur Zizhiqu), autonomous region (2010 pop. 21,813,334), c.637,000...

states' rights

(Encyclopedia)states' rights, in U.S. history, doctrine based on the Tenth Amendment to the Constitution, which states, “The powers not delegated to the United States by the Constitution, nor prohibited by it to ...

Miocene epoch

(Encyclopedia)Miocene epoch mīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from around 24.6 to 5.1 mill...

McGovern, George Stanley

(Encyclopedia)McGovern, George Stanley məgŭvˈərn [key], 1922–2012, U.S. senator from South Dakota (1963–81), b. Avon, S.Dak. He was a decorated B-24 bomber pilot during World War II. He later obtained degre...

Keynes, John Maynard, Baron Keynes of Tilton

(Encyclopedia)Keynes, John Maynard, Baron Keynes of Tilton kānz [key], 1883–1946, English economist and monetary expert, studied at Eton and Cambridge. Keynesian economics stands as the most influential eco...

muscular dystrophy

(Encyclopedia)muscular dystrophy dĭsˈtrōfē [key], any of several inherited diseases characterized by progressive wasting of the skeletal muscles. There are five main forms of the disease. They are classified ac...

Great Awakening

(Encyclopedia)Great Awakening, series of religious revivals that swept over the American colonies about the middle of the 18th cent. It resulted in doctrinal changes and influenced social and political thought. In ...

illiteracy

(Encyclopedia)illiteracy, inability to meet a certain minimum criterion of reading and writing skill. Throughout most of history most people have been illiterate. In feudal society, for example, the ability to re...

Humboldt, Alexander, Freiherr von

(Encyclopedia)Humboldt, Alexander, Freiherr von hŭmˈbōlt, Ger. älĕksänˈdər frīˈhĕr fən ho͝omˈbôlt [key], 1769–1859, German naturalist, inventor, explorer, and author, the most eminent scientist of ...