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fruit fly

(Encyclopedia)fruit fly, common name for any of the flies of the families Tephritidae and Drosophilidae. All fruit flies are very small insects that lay their eggs in various plant tissues. The Tephritidae contains...

fuzzy logic

(Encyclopedia)fuzzy logic, a multivalued (as opposed to binary) logic developed to deal with imprecise or vague data. Classical logic holds that everything can be expressed in binary terms: 0 or 1, black or white, ...

motorcycle

(Encyclopedia)motorcycle, motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The motorcycle did not ...

Lorenzetti

(Encyclopedia)Lorenzetti lōrān-tsĕtˈtē [key], two brothers who were major Sienese painters. Pietro Lorenzetti, c.1280–c.1348, was first influenced by Duccio di Buoninsegna and Giovanni Pisano. His earliest k...

Wilson, August

(Encyclopedia)Wilson, August, 1945–2005, American playwright and poet, b. Pittsburgh as Frederick August Kittel, Jr. Largely self-educated, Wilson first attracted wide critical attention with his Broadway debut, ...

Brunhild

(Encyclopedia)Brunhild brĭnˈhĭld [key], mighty female warrior of Germanic mythology and literature. In the Nibelungenlied, a medieval German epic poem (see under Nibelungen), she is the warlike queen of Iceland,...

Brenner, Sydney

(Encyclopedia)Brenner, Sydney, 1927–2019, British molecular biologist, Ph.D. Oxford, 1954. He was director of the MRC Laboratory of Molecular Biology in Cambridge, England (1979–86), and director of the MRC Mol...

Adams, Charles Francis, 1807–86, American public official

(Encyclopedia)Adams, Charles Francis, 1807–86, American public official, minister to Great Britain (1861–68), b. Boston; son of John Quincy Adams. After a boyhood spent in various European capitals, he was grad...

symbiosis

(Encyclopedia)symbiosis sĭmbēōˈsĭs [key], the habitual living together of organisms of different species. The term is usually restricted to a dependent relationship that is beneficial to both participants (als...

Varanasi

(Encyclopedia)Varanasi bənäˈrĭz [key], city (1991 pop. 1,030,863), Uttar Pradesh state, N central India, on the Ganges River. Although a rail hub and trade center, Varanasi is chiefly important as a holy city. ...