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slate

(Encyclopedia)slate, fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and pl...

Snyder, Gary

(Encyclopedia)Snyder, Gary, 1930–, American poet, b. San Francisco. Associated with the beat generation of the 1950s, he lived (1956–68) in Japan, where he trained as a Zen monk. His poetry, influenced by Zen B...

basking shark

(Encyclopedia)basking shark, large, plankton-feeding shark, Cetorhinus maximus, inhabiting many oceans of the world, especially in temperate regions. Found singly or in schools of up to 100, it spends much of its t...

pika

(Encyclopedia)pika pīˈkə [key], short-haired mammal related to rabbits and hares, also called mouse hare and rock rabbit. Pikas live above the timber line in the mountains of N Asia and W North America. The pika...

kangaroo

(Encyclopedia)kangaroo, name for a variety of hopping marsupials, or pouched mammals, of the family Macropodidae, found in Australia, Tasmania, and New Guinea. The term is applied especially to the large kangaroos ...

criticism

(Encyclopedia)criticism, the interpretation and evaluation of literature and the arts. It exists in a variety of literary forms: dialogues (Plato, John Dryden), verse (Horace, Alexander Pope), letters (John Keats),...

Arden, John

(Encyclopedia)Arden, John ärˈdən [key], 1930–2012, English playwright and novelist best known for his politically engaged work of the 1950s and 60s, a period during which he was considered one of Britain's maj...

shearwater

(Encyclopedia)shearwater, common name for members of the family Procellariidae, gull-like sea birds related to the petrel and the albatross and including the fulmar. Shearwaters are found on unfrozen saltwaters all...

crossbill

(Encyclopedia)crossbill, bird of the genus Loxia, in the finch family. Its bill, crossed at the tips, is specialized for pulling apart pine cones and picking out the seeds. Crossbills are found in the evergreen for...

giant pouched rat

(Encyclopedia)giant pouched rat, terrestrial African rodent of the genus Cricetomys. Found in a wide variety of habitats, including farmland, in sub-Saharan Africa north of South Africa, giant pouched rats resemble...