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Prescott, Edward Christian

(Encyclopedia)Prescott, Edward Christian, 1940–, American economist, b. Glen Falls, N.Y., Ph.D. Carnegie Mellon Univ., 1967. Prescott has taught at Carnegie Mellon (1971–80), the Univ. of Minnesota (1980–98, ...

Saint Croix, rivers, North America

(Encyclopedia)Saint Croix. 1 River, 75 mi (121 km) long, rising in the Chiputneticook Lakes and flowing SE to Passamaquoddy Bay, forming part of the U.S.-Canada border; navigable to Calais, Maine. The river is used...

pothole

(Encyclopedia)pothole, in geology, cylindrical pit formed in the rocky channel of a turbulent stream. It is formed and enlarged by the abrading action of pebbles and cobbles that are carried by eddies, or circular ...

Mississippi, river, United States

(Encyclopedia)Mississippi, river, principal river of the United States, c.2,350 mi (3,780 km) long, exceeded in length only by the Missouri, the chief of its numerous tributaries. The combined Missouri-Mississippi ...

Ontario, province, Canada

(Encyclopedia)CE5 Ontario ŏntârˈēō [key], province (2001 pop. 11,410,046), 412,582 sq mi (1,068,587 sq km), E central Canada. Before the arrival of Europeans the Ontario region was inhabited by several Al...

Nile

(Encyclopedia)Nile, longest river in the world, c.4,160 mi (6,695 km) long from its remotest headstream, the Luvironza River in Burundi, central Africa, to its delta on the Mediterranean Sea, NE Egypt. The Nile flo...

Cuyahoga Valley National Park

(Encyclopedia)Cuyahoga Valley National Park kīˌəhōˈgə [key], 32,950 acres (13,334 hectares), in the Cuyahoga River valley between Akron and Cleveland, NE Ohio; est. as a national recreation area 1974, designa...

obscenity

(Encyclopedia)obscenity, in law, anything that tends to corrupt public morals by its indecency. The moral concepts that the term connotes vary from time to time and from place to place. In the United States, the wo...

Madeira, river, Bolivia and Brazil

(Encyclopedia)Madeira mədāˈrə [key], river, c.2,100 mi (3,380 km) long, formed by the junction of the Beni and Mamoré rivers on the Bolivia-Brazil border. It flows north along the border for c.60 mi (100 km), ...

Randi, James

(Encyclopedia)Randi, James (Randall James Hamilton Zwinge), 1928–2020, Canadian-American illusionist and psychic investigator, b. Toronto. Performing as “The Amazing Randi,” he was a conjurer and escape artis...