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virus
(Encyclopedia)CE5 Structure of a tobacco mosaic virus, an RNA-containing virus virus, parasite with a noncellular structure composed mainly of nucleic acid within a protein coat. Most viruses are too small (100...Nobel Prizes (table)
(Encyclopedia)Nobel PrizesKant, Immanuel
(Encyclopedia)Kant, Immanuel ĭmänˈo͞oĕl känt [key], 1724–1804, German metaphysician, one of the greatest figures in philosophy, b. Königsberg (now Kaliningrad, Russia). The impact of Kant's work has be...Congo, river, Africa
(Encyclopedia)Congo zīˈēr, zäērˈ [key], great river of equatorial Africa, c.2,720 mi (4,380 km) long, formed by the waters of the Lualaba River and its tributary, the Luvua River, and flowing generally N and ...mechanics
(Encyclopedia)mechanics, branch of physics concerned with motion and the forces that tend to cause it; it includes study of the mechanical properties of matter, such as density, elasticity, and viscosity. Mechanics...Puritanism
(Encyclopedia)Puritanism, in the 16th and 17th cent., a movement for reform in the Church of England that had a profound influence on the social, political, ethical, and theological ideas of England and America. ...exploration
(Encyclopedia)exploration, travel to a part of the earth that is relatively unknown to the traveler's culture, historically often motivated by a desire for colonization, conquest, or trade. See also space explorati...poet laureate
(Encyclopedia)poet laureate lôˈrēĭt [key], title conferred in Britain by the monarch on a poet whose duty it is to write commemorative odes and verse. It is an outgrowth of the medieval English custom of having...Supreme Court Justices (table)
(Encyclopedia)Supreme Court Justices(including dates on bench) Chief Justices Associate Justices ...Columbus, Christopher
(Encyclopedia)Columbus, Christopher, Ital. Cristoforo Colombo krēstōˈbäl kōlōnˈ [key], 1451–1506, European explorer, b. Genoa, Italy. Columbus was not the first European mariner to sail to the New World...Browse by Subject
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