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fog

(Encyclopedia)fog, aggregation of water droplets or ice crystals immediately above the surface of the earth (i.e., a cloud near the ground). A light or thin fog is usually called a mist. Fog may occur when the mois...

Arikara

(Encyclopedia)Arikara ərĭkˈərə [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). Archaeological evidence shows tha...

swallow

(Encyclopedia)swallow, common name for small perching birds of almost worldwide distribution. There are about 100 species of swallows, including the martins, which belong to the same family. Swallows have long, nar...

Embargo Act of 1807

(Encyclopedia)Embargo Act of 1807, passed Dec. 22, 1807, by the U.S. Congress in answer to the British orders in council restricting neutral shipping and to Napoleon's restrictive Continental System. The U.S. merch...

Antarctic Peninsula

(Encyclopedia)Antarctic Peninsula, glaciated mountain region of W Antarctica, extending c.1,200 mi (1,930 km) N toward South America. In the south, volcanic peaks rise to c.11,000 ft (3,350 m); other volcanic cones...

Hudson, river, United States

(Encyclopedia)Hudson, river, c.315 mi (510 km) long, rising in Lake Tear of the Clouds, on Mt. Marcy in the Adirondack Mts., NE N.Y., and flowing generally S to Upper New York Bay at New York City; the Mohawk River...

Federal National Mortgage Association

(Encyclopedia)Federal National Mortgage Association (FMNA), commonly known as Fannie Mae, government-sponsored enterprise that is the largest purchaser and guarantor of home mortgages in the country. Headquartered ...

Lofoten and Vesterålen

(Encyclopedia)Lofoten vĕstˈərôlən [key], two contiguous island groups (1995 est. pop. 56,700), Nordland and Troms counties, NW Norway, in the Norwegian Sea. Situated within the Arctic Circle, the islands exten...

parapsychology

(Encyclopedia)parapsychology, study of mental phenomena not explainable by accepted principles of science. The organized, scientific investigation of paranormal phenomena began with the foundation (1882) of the Soc...

nutria

(Encyclopedia)nutria koiˈpo͞o [key], aquatic rodent, Myocastor coypus, of South America, introduced in the S United States for its fur, which is similar to that of beaver but not as thick or durable. The nutria r...