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nonsporting dog

(Encyclopedia)nonsporting dog, classification used by breeders and kennel clubs to designate dogs that may formerly have been bred to hunt or work but that are now raised chiefly as house pets and companions. The f...

Mendeleev, Dmitri Ivanovich

(Encyclopedia)Mendeleev, Dmitri Ivanovich mĕndəlāˈəf, Rus. dəmēˈtrē ēväˈnəvĭch myĭndyĭlyāˈəf [key], 1834–1907, Russian chemist. He is famous for his formulation (1869) of the periodic law and t...

man, in anthropology and biology

(Encyclopedia)man: see anthropology; human evolution; race. ...

Geber, Arab alchemist and physician

(Encyclopedia)Geber: see Jabir.

Centers for Disease Control and Prevention

(Encyclopedia)Centers for Disease Control and Prevention (CDC), agency of the U.S. Public Health Service since 1973, with headquarters in Atlanta; it was established in 1946 as the Communicable Disease Center. The ...

León, region and former kingdom, Spain

(Encyclopedia)León lā-ōnˈ [key], historic region and former kingdom, NW Spain, E of Portugal and Galicia, now part of Castile–León. It includes the provinces of León, Salamanca, and Zamora, named after thei...

Madrid, autonomous community and province, Spain

(Encyclopedia)Madrid mədrĭdˈ, Span. mäᵺhrēᵺˈ [key], autonomous community and coextensive prov., (2011 pop. 6,421,874), 3,099 sq mi (8,027 sq km), central Spain. Madrid, the capital of Spain, is also its c...

Titan , in Greek religion and mythology

(Encyclopedia)Titan, in Greek religion and mythology, one of 12 primeval deities. The female Titan is also called Titaness. The Titans—six sons and six daughters—were the children of Uranus and Gaea. They were ...

Virginia Polytechnic Institute and State University

(Encyclopedia)Virginia Polytechnic Institute and State University, better known as Virginia Tech, at Blacksburg; land-grant and state supported; coeducational; chartered and opened 1872 as an agricultural and mecha...

Dvina, river, Russia, Belarus, and Latvia

(Encyclopedia)Dvina or Western Dvina, Ger. Düna, Latvian Daugava, Rus. Zapadnaya Dvina, river, c.635 mi (1,020 km) long, in Russia, Belarus, and Latvia. Rising in the Valdai Hills, it flows S and then generally W ...