Columbia Encyclopedia

Search results

500 results found

Lismore, island, Scotland

(Encyclopedia)Lismore lĭzˈmôr, lĭzmôrˈ [key], island, 91⁄2 mi (15.3 km) long and 11⁄2 mi (2.4 km) wide, Argyll and Bute, W Scotland, in Loch Linnhe. There are ruins of several old castles, one of which wa...

Witelo of Silesia

(Encyclopedia)Witelo of Silesia or Vitelo, c.1230–75, Silesian physicist, philosopher, and theologian. He studied in Paris and Padua and spent time at the papal palace in Viterbo, Italy. His ten-volume work on op...

Régnier, Henri de

(Encyclopedia)Régnier, Henri de äNrēˈ də rānyāˈ [key], 1864–1936, French poet, one of the young symbolists of the circle of Mallarmé. His early Poèmes anciens et romanesques (1891) showed skill in free ...

Delbrück, Max Ludwig Henning

(Encyclopedia)Delbrück, Max Ludwig Henning dĕlˈbrük [key], 1906–1981, American biophysicist, b. Berlin, Germany. Ph.D, Univ. of Göttingen, 1930. He spent most of his career as a professor at the California I...

Karle, Jerome

(Encyclopedia)Karle, Jerome kärl [key], 1918–2013, American physicist, b. New York City, Ph.D. Univ. of Michigan, 1943. He worked on the Manhattan Project before beginning a career (1946–2009) at the U.S. Nava...

pH

(Encyclopedia)pH, range of numbers expressing the relative acidity or alkalinity of a solution. In general, pH values range from 0 to 14. The pH of a neutral solution, i.e., one which is neither acidic nor alkaline...

buckminsterfullerene

(Encyclopedia)CE5 Buckminsterfullerene buckminsterfullerene bŭkˌmĭnstərfo͝olˈərēnˌ, –fo͝olˌərēnˈ [key] or buckyball, C60, hollow cage carbon molecule named for R. Buckminster Fuller because of t...

sociobiology

(Encyclopedia)sociobiology, controversial field that studies how natural selection, previously used only to explain the evolution of physical characteristics, shapes behavior in animals and humans. The theory has c...

biophysics

(Encyclopedia)biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to explain such biolog...

Sanger, Frederick

(Encyclopedia)Sanger, Frederick săngˈər [key], 1918–2013, British biochemist, grad. Cambridge (B.A., 1939; Ph.D., 1943). He continued his research at Cambridge after 1943. He won the 1958 Nobel Prize in Chemis...