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trypanosome

(Encyclopedia)trypanosome trĭpˈənəsōmˌ [key], microscopic, one-celled protozoan of the genus Trypanosoma, typically living as an active parasite in the bloodstream of a vertebrate; hundreds of species are kno...

Brenner, Sydney

(Encyclopedia)Brenner, Sydney, 1927–2019, British molecular biologist, Ph.D. Oxford, 1954. He was director of the MRC Laboratory of Molecular Biology in Cambridge, England (1979–86), and director of the MRC Mol...

Adams, Charles Francis, 1807–86, American public official

(Encyclopedia)Adams, Charles Francis, 1807–86, American public official, minister to Great Britain (1861–68), b. Boston; son of John Quincy Adams. After a boyhood spent in various European capitals, he was grad...

polyp and medusa

(Encyclopedia)CE5 Polyp and medusa stages in the life cycle of Obelia, representative of the phylum Cnidaria polyp and medusa, names for the two body forms, one nonmotile and one typically free swimming, found ...

transmigration of souls

(Encyclopedia)transmigration of souls or metempsychosis mətĕmˌsəkōˈsĭs [key] [Gr.,=change of soul], a belief common to many cultures, in which the soul passes from one body to another, either human, animal, ...

refrigeration

(Encyclopedia)CE5 Compression system of refrigeration refrigeration, process for drawing heat from substances to lower their temperature, often for purposes of preservation. Refrigeration in its modern, portabl...

Copland, Aaron

(Encyclopedia)Copland, Aaron kōpˈlənd [key], 1900–1990, American composer, b. Brooklyn, N.Y. Copland was a pupil of Rubin Goldmark and of Nadia Boulanger, who introduced his work to the United States when she ...

Hindemith, Paul

(Encyclopedia)Hindemith, Paul hĭnˈdəmĭth [key], 1895–1963, German-American composer and violist, b. Hanau, Germany. Hindemith combined experimental and traditional techniques into a distinctively modern style...

mite

(Encyclopedia)mite, small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders. The unsegmented m...

Parsifal

(Encyclopedia)Parsifal pärˈsĭfäl [key], figure of Arthurian legend also known as Sir Percivale, who is in turn a later form of a hero of Celtic myth. The name originally occurs as Pryderi, an alternative name o...