Columbia Encyclopedia

Search results

500 results found

ethology

(Encyclopedia)ethology, study of animal behavior based on the systematic observation, recording, and analysis of how animals function, with special attention to physiological, ecological, and evolutionary aspects. ...

Schumann, Robert Alexander

(Encyclopedia)Schumann, Robert Alexander sho͞oˈmän [key], 1810–56, German composer. Both as a composer and as a highly articulate music critic he was a leader of the romantic movement. He studied theory with H...

O'Keefe, John

(Encyclopedia)O'Keefe, John, 1939–, British-American neuroscientist, b. New York City, Ph.D. McGill Univ., 1967. O'Keefe has spent his entire career at University College London, beginning as a postdoctoral fello...

Zagros

(Encyclopedia)Zagros zăgˈrŏs [key], mountain system of W Iran, extending c.1,100 mi (1,770 km) from the Turkish-Armenian frontier SE to the Strait of Hormuz, forming the western and southern border of the centra...

federal government

(Encyclopedia)federal government or federation, government of a union of states in which sovereignty is divided between a central authority and component state authorities. A federation differs from a confederation...

Lippe, river, Germany

(Encyclopedia)Lippe, river, c.150 mi (240 km) long, rising in the Teutoburg Forest, W Germany and flowing westward into the Rhine River. It is canalized to permit barge navigation. Water from the Lippe is used in t...

Lovejoy, Arthur Oncken

(Encyclopedia)Lovejoy, Arthur Oncken, 1873–1962, American philosopher and intellectual historian, b. Germany, grad. Univ. of California, 1895, M.A. Harvard, 1897. He also studied at the Sorbonne before he began t...

Moser, Edvard Ingjald

(Encyclopedia)Moser, Edvard Ingjald, 1962–, Norwegian psychologist and neuroscientist, Ph.D. Univ. of Oslo, 1995, and May-Britt Moser, 1963–, also a Norwegian psychologist and neuroscientist, Ph.D. Univ. of Osl...

Brace, Charles Loring

(Encyclopedia)Brace, Charles Loring, 1826–90, American clergyman and social reformer, b. Litchfield, Conn. America's pioneer children's advocate, he founded (1853) the Children's Aid Society of New York, an organ...

Brongniart, Alexandre

(Encyclopedia)Brongniart, Alexandre brôNyärˈ [key], 1770–1847, French geologist, mineralogist, and chemist. As director of the Sèvres porcelain factory from 1800, he was responsible for its international fam...