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hand sanitizer

(Encyclopedia)hand sanitizer or hand rub, substance used to clean and sanitize the hands, especially when soap is not available. Hand sanitizers, introduced commercially in the late 1980s, are available as liquids,...

grackle

(Encyclopedia)grackle, common name applied to some members of the New World family Icteridae, which also includes blackbirds, orioles, meadowlarks, cowbirds, and others. The plumage of the purple, or common, grackl...

Thaler, Richard H.

(Encyclopedia)Thaler, Richard H., 1945–, American economist, b. East Orange, N.J., Ph.D. Univ. of Rochester, 1974. He was a professor at the Univ. of Rochester (1974–78) and at Cornell (1978–95), and has been...

Chih-i

(Encyclopedia)Chih-i chēˈ-ē [key], 538–97, Chinese Buddhist scholar and founder of the T'ien-t'ai (in Japan, called Tendai, or Lotus) school of Buddhism. Chih-i produced a conceptual framework that integrated ...

aviation medicine

(Encyclopedia)aviation medicine, scientific study of the biological effects of aviation, especially on human beings. Although aviation medicine is concerned with such problems as the spread of diseases by persons t...

Warm Springs

(Encyclopedia)Warm Springs, resort, Meriwether co., W Ga. The salutary properties of the water springing from Pine Mt. were known to Native Americans, and white settlers learned of them in the late 18th cent. By th...

Metchnikoff, Élie

(Encyclopedia)Metchnikoff, Élie ālēˈ mĕchˈnĭkôf [key], 1845–1916, Russian biologist. He studied in Russia and Germany, lectured at the Univ. of Odessa, and, after working with Pasteur in Paris, became (19...

Leopold and Loeb

(Encyclopedia)Leopold and Loeb lōb [key], notorious American murderers defended by Clarence Darrow in 1924. The gregarious, dominating Richard A. Loeb (1905–1936) and the shy, submissive Nathan F. Leopold, Jr. (...

jelly and jam

(Encyclopedia)jelly and jam, gelatinous, sweet food prepared by preserving fresh fruits. Since most fresh fruits contain about 80% water and from 10% to 15% sugar, they are subject to fermentation. They may be pres...

Laurel and Hardy

(Encyclopedia)Laurel and Hardy, American film comedy team. The duo consisted of Stan Laurel, 1890–1965, b. Ulverson, England, whose real name was Arthur Stanley Jefferson; and Oliver Hardy, 1892–1957, b. Atlant...