(Encyclopedia) aquarium, name for any supervised exhibit of aquatic animals and plants. Aquariums are known to have been constructed in ancient Rome, Egypt, and Asia. Goldfish have been bred in China…
(Encyclopedia) Saint GallSaint Gallsānt gôl, găl, gäl [key], Ger. Sankt Gallen, canton (1993 pop. 432,800), 777 sq mi (2,012 sq km), NE Switzerland. Bordering on Lake Constance in the north and on…
(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau…
Engineering must welcome women or risk becoming marginalized as other fields seek out and make a place for them. by Sheila E. Widnall Sheila Widnall is the former Secretary of the…
(Encyclopedia) maple, common name for the genus Acer of the Aceraceae, a family of deciduous trees and shrubs of the Northern Hemisphere, found mainly in temperate regions and on tropical mountain…
(Encyclopedia) mussel, edible freshwater or marine bivalve mollusk. Mussels are able to move slowly by means of the muscular foot. They feed and breathe by filtering water through extensible tubes…
Mickey Mouse Timeline The life of the world's favorite mouse by Holly Hartman 1920s 1930s 1940-1978 1983-2001 1928 Walt Disney dreams up Mickey on a cross-country…
