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Beijing

(Encyclopedia)Beijing pē-kĭng, pā– [key], city and independent municipality (2021 est. pop. 20,897,000), ...

Paleolithic art

(Encyclopedia)Paleolithic art pāˌlēəlĭthˈĭk, –lēō–, pălˌ– [key], art produced during the Paleolithic period. Study and knowledge of this art largely have been confined to works discovered at many s...

embryo

(Encyclopedia)CE5 Development of the human embryo embryo ĕmˈbrēō [key], name for the developing young of an animal or plant. In its widest definition, the embryo is the young from the moment of fertilizatio...

airplane

(Encyclopedia)CE5 A. Side view of jet-propelled airplane B. Top view airplane, aeroplane, or aircraft, heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight thro...

water pollution

(Encyclopedia)water pollution, contamination of water resources by harmful wastes; see also sewerage, water supply, pollution, and environmentalism. The United States has enacted extensive federal legislation to ...

geography

(Encyclopedia)geography, the science of place, i.e., the study of the surface of the earth, the location and distribution of its physical and cultural features, the areal patterns or places that they form, and the ...

Nevada

(Encyclopedia)CE5 Nevada nəvădˈə, –vä– [key], far western state of the United States. It is bordered by Utah (E), Arizona (SE), California (SW, W), and Oregon and Idaho (N). In the 20th cent. the ...

French and Indian Wars

(Encyclopedia)French and Indian Wars, 1689–1763, the name given by American historians to the North American colonial wars between Great Britain and France in the late 17th and the 18th cent. They were really cam...

Indian wars

(Encyclopedia)Indian wars, in American history, general term referring to the series of conflicts between Europeans and their descendants and the indigenous peoples of North America. After 1860 the wars continued...

jazz

(Encyclopedia)jazz, the most significant form of musical expression of African-American culture and arguably the most outstanding contribution the United States has made to the art of music. ...