Columbia Encyclopedia

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history

(Encyclopedia)history, in its broadest sense, is the story of humanity's past. It also refers to the recording of that past. The diverse sources of history include books, newspapers, printed documents, personal pap...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...

science

(Encyclopedia)science [Lat. scientia=knowledge]. For many the term science refers to the organized body of knowledge concerning the physical world, both animate and inanimate, but a proper definition would also hav...

Spain

(Encyclopedia)CE5 CE5 Spain, Span. España āspäˈnyä [key], officially Kingdom of Spain, constitutional monarchy (2015 est. pop. 46,398,000), 194,884 sq mi (504,750 sq km), including the Balearic and Canary...