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astrolabe

(Encyclopedia)astrolabe ăsˈtrəlāb [key], instrument probably used originally for measuring the altitudes of heavenly bodies and for determining their positions and movements. Although its origin is ancient and ...

Montazeri, Hossein Ali

(Encyclopedia)Montazeri, Hossein Ali, 1922–2009, Iranian Islamic scholar and political leader. A follower of Ayatollah Ruhollah Khomeini, Montazeri objected to Khomeini's arrest and exile, and became involved in ...

myosin

(Encyclopedia)myosin mīˈəsĭn [key], one of the two major protein constituents responsible for contraction of muscle. In muscle cells myosin is arranged in long filaments called thick filaments that lie parallel...

Riis, Jacob August

(Encyclopedia)Riis, Jacob August rēs [key], 1849–1914, Danish-American journalist, photographer, and social reformer, b. Denmark. He immigrated to the United States in 1870. In 1877 he became a police reporter f...

climbing perch

(Encyclopedia)climbing perch, climbing gourami, or walking fish, any of several fish of the family Anabantidae, adapted to living in oxygen-depleted water or on dry land. They are not related to the true perch. Th...

Alexander Nevsky

(Encyclopedia)Alexander Nevsky nĕvˈskē [key] [Rus.,=of the Neva], 1220–1263, Russian hero, grand duke of Vladimir-Suzdal. As prince of Novgorod (1236–52) he earned his surname by his victory (1240) over the ...

Chaetognatha

(Encyclopedia)CE5 Anatomy of an arrow worm, Sagitta, representative of the phylum Chaetognatha Chaetognatha kētôgnăthˈə [key], phylum of predominantly pelagic marine animals commonly known as arrowworms. A...

Feringa, Bernard Lucas

(Encyclopedia)Feringa, Bernard Lucas, 1951–, Dutch organic chemist, Ph.D. Univ. of Groningen, Netherlands, 1978. He has been on the faculty at the Univ. of Groningen since 1984. Feringa was jointly awarded the 20...

Height, Dorothy Irene

(Encyclopedia)Height, Dorothy Irene, 1912–2010, American civil-rights leader, b. Richmond, Va., grad. New York Univ. (B.A. 1933, M.A. 1935). A leader of the African-American and women's rights movements, she bega...

Steffens, Lincoln

(Encyclopedia)Steffens, Lincoln (Joseph Lincoln Steffens), 1866–1936, American editor and author, b. San Francisco, grad. Univ. of California, Berkeley, 1889, and studied three years in Europe. Returning to the U...