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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...

demand and supply

(Encyclopedia)demand and supply: see supply and demand. ...

Daman and Diu

(Encyclopedia)Daman and Diu dəmänˈ, dēˈo͞o [key], union territory (2001 provisional pop. 158,059), 50 sq mi (130 sq km), W India, on the Arabian Sea, composed of two former Portuguese colonies seized by India...

Damon and Pythias

(Encyclopedia)Damon and Pythias dāˈmən, pĭthˈēəs [key], two youths whose loyalty to each other symbolizes true friendship. Pythias, a Pythagorean, condemned to death for plotting against Dionysius I of Syrac...