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A Confused Columbus

Pinpointing the explorer's whereabouts on October 12, 1492 by Borgna Brunner   Christopher Columbus The Voyages First Voyage, 1492-1493San Salvador, The…

Jackson

(Encyclopedia) Jackson. 1 City (1990 pop. 37,446), seat of Jackson co., S Mich., on the Grand River; inc. 1857. It is an industrial and commercial center in a farm region. The city's chief…

mercury poisoning

(Encyclopedia) mercury poisoning, tissue damage resulting from exposure to more than trace amounts of the element mercury or its compounds. Elemental mercury (the silver liquid familiar from…

lithium

(Encyclopedia) lithiumlithiumlĭthˈēəm [key] [Gr.,=stone], metallic chemical element; symbol Li; at. no. 3; interval in which at. wt. ranges 6.938–6.997; m.p. about 180.54℃; b.p. about 1,342℃; sp. gr…

Arendt, Hannah

(Encyclopedia) Arendt, HannahArendt, Hannahhänˈä ärˈənt [key], 1906–75, German-American political theorist, b. Hanover, Germany, B.A. Königsberg, 1924, Ph.D. Heidelberg, 1928. In 1925 she met Martin…

potato

(Encyclopedia) potato or white potato, common name for a perennial plant (Solanum tuberosum) of the family Solanaceae (nightshade family) and for its swollen underground stem, a tuber, which is one…

Venus, in astronomy

(Encyclopedia) Venus, in astronomy, 2d planet from the sun; it is often called the evening star or morning star and is brighter than any object in the sky except the sun and the moon. Because its…

skeleton, in anatomy

(Encyclopedia) CE5 Human skeleton skeleton, in anatomy, the stiff supportive framework of the body. The two basic types of skeleton found among animals are the exoskeleton and the endoskeleton.…

2006 Notable Books for Children

These books were chosen by a committee of librarians, educators, and other professionals for the Association for Library Service to Children. Younger Readers…

Selected Biographies: V

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