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Long Island, island, United States
(Encyclopedia)Long Island (1990 pop. 6,861,454), 1,723 sq mi (4,463 sq km), 118 mi (190 km) long, and from 12 to 20 mi (19–32 km) wide, SE N.Y.; fourth largest island of the United States and the largest outside ...Niagara Falls, waterfall, United States and Canada
(Encyclopedia)Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of Niagara Falls, N.Y., a...wasp
(Encyclopedia)wasp, name applied to many winged insects of the order Hymenoptera, which also includes ants and bees. Most wasps are carnivorous, feeding on insects, grubs, or spiders. They have biting mouthparts, a...Harding, Warren Gamaliel
(Encyclopedia)Harding, Warren Gamaliel gəmāˈlēəl [key], 1865–1923, 29th President of the United States (1921–23), b. Blooming Grove (now Corsica), Ohio. After study (1879–82) at Ohio Central College, he ...seafloor spreading
(Encyclopedia)CE5 Schematic model of the oceanic crust, showing seafloor spreading seafloor spreading, theory of lithospheric evolution that holds that the ocean floors are spreading outward from vast underwate...Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel (table)
(Encyclopedia)Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel ...dentistry
(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...dam
(Encyclopedia)dam, barrier, commonly across a watercourse, to hold back water, often forming a reservoir or lake; dams are also sometimes used to control or contain rockslides, mudflows, and the like in regions whe...insulin
(Encyclopedia)insulin, hormone secreted by the β cells of the islets of Langerhans, specific groups of cells in the pancreas. Insufficiency of insulin in the body results in diabetes. Insulin was one of the first ...Geneva, canton and city, Switzerland
(Encyclopedia)Geneva jənēˈvə [key], Fr. Genève, canton, 109 sq mi (282 sq km), SW Switzerland, surroun...Browse by Subject
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