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Hesiod

(Encyclopedia)Hesiod hēˈsēəd, hĕsˈ– [key], fl. 8th cent.? b.c., Greek poet. He is thought to have lived later than Homer, but there is no absolute certainty about the dates of his life. Hesiod portrays hims...

Olduvai Gorge

(Encyclopedia)Olduvai Gorge ōlˈdəwāˌ, –vāˌ [key], a feature of the E African Rift Valley in Tanzania. Erosional processes have exposed geological strata in the gorge dating to the lower Pleistocene epoch, ...

Hobsbawm, Eric John Ernest

(Encyclopedia)Hobsbawm, Eric John Ernest , 1917–2012, British Marxist historian, b. Alexandria, Egypt. Educated at Cambridge (Ph.D., 1951), he joined the Communist party there in 1936. He served in the British ar...

Little America

(Encyclopedia)Little America, base for Antarctic exploring expeditions, Antarctica, on the Ross Ice Shelf, S of the Bay of Whales. Richard E. Byrd, a U.S. explorer, established and named Little America in 1929 and ...

Kluane National Park

(Encyclopedia)Kluane National Park klo͞oānˈ [key], c.8,500 sq mi (22,000 sq km), SW Yukon, Canada, between Kluane Lake and the British Columbia and Alaska borders; est. 1972. Located in the St. Elias Mts., the p...

Graham Land

(Encyclopedia)Graham Land, part of the Antarctic Peninsula, W Antarctica. This ice-covered, mountainous area was thought to be a group of islands but further exploration (1934) showed it to be peninsular. Claimed b...

Kara Sea

(Encyclopedia)Kara Sea kärˈə [key], Rus. Karskoye More, shallow section of the Arctic Ocean, off N Russia, between Severnaya Zemlya and Novaya Zemlya. It has an average depth of 420 ft (128 m). It receives the O...

kettle

(Encyclopedia)kettle, oval depression found in glacial moraines, which are landforms made up of rock debris. When a glacier melts and draws away from an area, a block of ice may break off and be covered by earth an...

melting point

(Encyclopedia)melting point, temperature at which a substance changes its state from solid to liquid. Under standard atmospheric pressure different pure crystalline solids will each melt at a different specific tem...

latent heat

(Encyclopedia)latent heat, heat change associated with a change of state or phase (see states of matter). Latent heat, also called heat of transformation, is the heat given up or absorbed by a unit mass of a substa...