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wheel and axle

(Encyclopedia)CE5 Wheel and axle wheel and axle, simple machine consisting of a wheel mounted rigidly upon an axle or drum of smaller diameter, the wheel and the axle having the same axis. It is fundamentally a...

wolf

(Encyclopedia)wolf, carnivorous mammal of the genus Canis in the dog family. Once distributed over most of the Northern Hemisphere, wild wolves are now confined to the wilder parts of a reduced range. Three wolf sp...

Mackenzie, Sir Alexander, Canadian fur trader and explorer

(Encyclopedia)Mackenzie, Sir Alexander, 1764?–1820, Canadian fur trader and explorer, b. Scotland. His family took him to the colony of New York in 1774, and later he was sent to Canada. He entered (c.1779) a Mon...

owl

(Encyclopedia)owl, common name for nocturnal birds of prey found on all continents. Owls superficially resemble short-necked hawks, except that their eyes are directed forward and are surrounded by disks of radiati...

Svalbard

(Encyclopedia)Svalbard svälˈbärd [key], archipelago (23,958 sq mi/62,051 sq km), island group (2015 est. pop. 2,700), possession of Norway, located in the Arctic Ocean, c.400 mi (640 km) N of the Norwegian mainl...

Yukon, territory, Canada

(Encyclopedia)CE5 Yukon, territory (2001 pop. 28,674), 207,076 sq mi (536,327 sq km), NW Canada. The territory's history began with the explorations in the 1840s of Robert Campbell and John Bell, fur traders f...

Lower Saxony

(Encyclopedia)Lower Saxony, Ger. Niedersachsen nēˈdərsäkˌsən [key], state (1994 pop. 7,480,000), 18,295 sq mi (47,384 sq km), NW Germany. Hanover is the capital. The state was formed in 1946 by the merger of ...

Merrill, James

(Encyclopedia)Merrill, James (James Ingram Merrill), 1926–95, American poet, b. New York City. Born into wealth as the son of Charles Merrill, he studied at Amherst College (grad. 1947) and was free to live as he...

Mount Wilson Observatory

(Encyclopedia)Mount Wilson Observatory, astronomical observatory located in California on Mt. Wilson, near Pasadena. Mt. Wilson Observatory was founded in 1904 by George E. Hale. Its equipment includes 100-in. (2.5...

Sappho

(Encyclopedia)Sappho săfˈō [key], fl. early 6th cent. b.c., greatest of the early Greek lyric poets (Plato calls her “the tenth Muse”), b. Mytilene on Lesbos. Facts about her life are scant. She was an arist...