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sperm whale

(Encyclopedia) sperm whale, largest of the toothed whales, Physeter catodon, found in the Atlantic and Pacific oceans. It is also called cachalot. Male sperm whales may grow to more than 70 ft (21 m…

Cleveland, Ohio

Mayor: Frank G. Jackson (to Jan. 2017)2010 census population (rank): 396,815 (45); Male: 190,285 (48.0%); Female: 206,530 (52.0%); White: 147,929 (37.3%); Black: 211,672 (53.3%); American Indian…

Cloning 101

Take a look back at the science of cloning, for both therapeutic and reproductive use Dolly the SheepAP…

nutria

(Encyclopedia) nutrianutrian&oomacr;ˈtrēə [key] or coypucoypukoiˈp&oomacr; [key], aquatic rodent, Myocastor coypus, of South America, introduced in the S United States for its fur, which is…

limestone

(Encyclopedia) limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red…

Millais, Sir John Everett

(Encyclopedia) Millais, Sir John EverettMillais, Sir John Everettmĭlāˈ [key], 1829–96, English painter. A prodigy, he began studying at the Royal Academy at the age of 11. In 1848, together with…

mousebird

(Encyclopedia) mousebird or colycolykōˈlē [key], common name for small, slender birds, comprising six species in the single genus Colius of the family Coliidae. They resemble mice in their soft,…

peccary

(Encyclopedia) peccarypeccarypĕkˈərē [key], small wild pig, genus Tayassu, the only pig native to the Americas. Although similar in appearance to Old World pigs, peccaries are classified in a family…

thallium

(Encyclopedia) thalliumthalliumthălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20…