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Ward, Lester Frank

(Encyclopedia)Ward, Lester Frank, 1841–1913, American sociologist and paleontologist, b. Joliet, Ill. Largely self-educated, he eventually took degrees in medicine and law. He worked as a government geologist and...

nullification

(Encyclopedia)nullification, in U.S. history, a doctrine expounded by the advocates of extreme states' rights. It held that states have the right to declare null and void any federal law that they deem unconstituti...

pitchblende

(Encyclopedia)pitchblende pĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually cont...

Yankton, city, United States

(Encyclopedia)Yankton, city (1990 pop. 12,703), seat of Yankton co., extreme SE S.Dak., on the Missouri River; inc. 1869. A railroad and trade center in an agricultural region, it has grain elevators, creameries, a...

open education

(Encyclopedia)open education, also known as open classroom, type of educational reform. The central tenet of this informal system is that children want to learn and will do so naturally if left to their own initiat...

parent education

(Encyclopedia)parent education, movement to help parents' understanding of the problems of children at home and in the school. Much parent education is carried on through the channels of adult education, both forma...

adult education

(Encyclopedia)adult education, extension of educational opportunities to those adults beyond the age of general public education who feel a need for further training of any sort, also known as continuing education....
 

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