(Encyclopedia) chemistry, branch of science concerned with the properties, composition, and structure of substances and the changes they undergo when they combine or react under specified conditions…
(Encyclopedia) modern dance, serious theatrical dance forms that are distinct from both ballet and the show dancing of the musical comedy or variety stage.
By the late 20th cent., distinctions…
(Encyclopedia) economics, study of how human beings allocate scarce resources to produce various commodities and how those commodities are distributed for consumption among the people in society (see…
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CE5
AlabamaAlabamaăləbămˈə [key], state in the SE United States. It is bordered by Tennessee (N), Georgia (E), Florida and the Gulf of Mexico (S), and Mississippi (W).
In 1954…
(Encyclopedia) Clinton, Bill (William Jefferson Clinton), 1946–, 42d President of the United States (1993–2001), b. Hope, Ark. His father died before he was born, and he was originally named William…
(Encyclopedia)
CE5
Internal-combustion engines: In the four-stroke reciprocating engine (above), a mixture of fuel and air is taken into the chamber on the down-stroke of the piston, is compressed…
(Encyclopedia) immunity, ability of an organism to resist disease by identifying and destroying foreign substances or organisms. Although all animals have some immune capabilities, little is known…
(Encyclopedia) French art, the artistic production of the region that constitutes the historic nation of France. See also French architecture.
The innovations of postimpressionism, combined with…
