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Jennings, Herbert Spencer

(Encyclopedia)Jennings, Herbert Spencer, 1868–1947, American zoologist, b. Tonica, Ill., B.S. Univ. of Michigan, 1893, Ph.D. Harvard, 1896. He was professor of zoology at Johns Hopkins (1906–10) and did researc...

leaven

(Encyclopedia)leaven lĕvˈən [key], agent used to raise bread or other flour foods. Physical leavens include water vapor, which is released as steam at high temperatures (as in popovers), and air, which is incorp...

Gies, William John

(Encyclopedia)Gies, William John gīz [key], 1872–1956, American biological chemist, b. Reisterstown, Md., grad. Gettysburg College (B.S. 1893; Ph.D. Yale, 1897). He began teaching at Columbia in 1898 and served ...

Robinson, Sir Robert

(Encyclopedia)Robinson, Sir Robert, 1886–1975, British chemist, D.Sc. Univ. of Manchester, 1910. Robinson taught at the universities of Sydney (1912–15), Liverpool (1915–20), St. Andrews (1921–22), Manchest...

oxidases

(Encyclopedia)oxidases, in biochemistry, enzymes that catalyze reactions that directly involve molecular oxygen (see oxidation and reduction). Some utilize flavin coenzymes derived from riboflavin (see vitamin B2)....

motivation

(Encyclopedia)motivation, in psychology, the intention of achieving a goal, leading to goal-directed behavior. Some human activity seems to be best explained by postulating an inner directing drive. While a drive i...

Rutgers University

(Encyclopedia)Rutgers University, main campus at New Brunswick, N.J.; land-grant and state supported; coeducational except for Douglass College; chartered 1766 as Queen's College, opened 1771. Rutgers was the eig...

Arrhenius, Svante August

(Encyclopedia)Arrhenius, Svante August sfänˈtə, ärāˈnēəs [key], 1859–1927, Swedish chemist. He was a professor of physics in Stockholm in 1895 and became director of the Nobel Institute for Physical Chemi...

La Jolla

(Encyclopedia)La Jolla lə hoiˈyə [key], on the Pacific Ocean, S Calif., an uninc. district within the confines of San Diego; founded 1869. The beautiful ocean beaches, in particular La Jolla shores and Black's B...

National Academy of Sciences

(Encyclopedia)National Academy of Sciences, with headquarters in Washington, D.C., a private organization of leading American scientists and engineers devoted to the furtherance of science and its use for the gener...