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genetic engineering
(Encyclopedia) CE5 Genetic engineering: Gene-splicing techniques genetic engineering, the use of various methods to manipulate the DNA (genetic material) of cells to change hereditary traits or produce biologica...migration of animals
(Encyclopedia)migration of animals, movements of animals in large numbers from one place to another. In modern usage the term is usually restricted to regular, periodic movements of populations away from and back t...Penn, Arthur Hiller
(Encyclopedia)Penn, Arthur Hiller, 1922–2010, American director, brother of Irving Penn, b. Philadelphia; studied Black Mountain College and the Actors' Studio, Los Angeles. Penn, who often dealt with themes of a...Haida
(Encyclopedia)Haida hīˈdə [key], Native North Americans living primarily on the Queen Charlotte Islands, off British Columbia, and on the southern end of the Prince of Wales Island, off Alaska. They speak the Ha...Tsimshian
(Encyclopedia)Tsimshian tsĭmˈshēən [key], Native North Americans speaking a language probably falling within the Penutian linguistic stock (see Native American languages). They lived around the Skeena and Nass ...pea
(Encyclopedia)pea, hardy, annual, climbing leguminous plant (Pisum sativum) of the family Leguminosae (pulse family), grown for food by humans at least since the early Bronze Age; no longer known in the wild form. ...Snake, river, United States
(Encyclopedia)Snake, river, 1,038 mi (1,670 km) long, NW United States, the chief tributary of the Columbia; once called the Lewis River. The Snake rises in NW Wyoming, in Yellowstone National Park, flows through J...Homer, Winslow
(Encyclopedia)Homer, Winslow, 1836–1910, American landscape, marine, and genre painter. Homer was born in Boston, where he later worked as a lithographer and illustrator. In 1861 he was sent to the Civil War batt...King, Stephen
(Encyclopedia)King, Stephen, 1947–, American writer, b. Portland, Maine. Influenced by the 19th-century Gothic tradition, especially the works of Poe, King's fiction reveals the macabre and horrific potential of ...mortar, in building
(Encyclopedia)mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction. Lime mortar, a co...Browse by Subject
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