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Barth, Heinrich

(Encyclopedia)Barth, Heinrich hīnˈrĭkh bärt [key], 1821–65, German explorer in British service. After traveling (1845–47) through the Levant and N Africa, he entered the service of the British government. H...

Pennines

(Encyclopedia)Pennines pĕnˈīnz [key] or Pennine Chain, mountain range, sometimes called the “backbone of England,” extending c.160 mi (260 km) from the Cheviot Hills on the Scottish border to the Peak Distri...

Baker v. Carr

(Encyclopedia)Baker v. Carr, case decided in 1962 by the U.S. Supreme Court. Tennessee had failed to reapportion the state legislature for 60 years despite population growth and redistribution. Charles Baker, a vot...

Barentz, Willem

(Encyclopedia)Barentz or Barents, Willem both: vĭˈləm bäˈrənts [key], d. 1597, Dutch navigator. He made three voyages (1594, 1595, 1596–97) in search of the Northeast Passage to Asia. He reached Novaya Zeml...

triceps

(Encyclopedia)triceps, any muscle having three heads, or points of attachment, but especially the triceps brachii at the back of the upper arm. One head originates on the shoulder blade and two on the upper-arm bon...

torsion balance

(Encyclopedia)torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. The torsion balance consi...

Wilson, Robert Woodrow

(Encyclopedia)Wilson, Robert Woodrow, 1936–, American radio astronomer, b. Houston, Tex., Ph.D. California Institute of Technology, 1962. In 1964 he and co-researcher Arno Penzias began monitoring radio waves in ...

Tanganyika, Lake

(Encyclopedia)Tanganyika, Lake, second largest lake of Africa, c.12,700 sq mi (32,890 sq km), E central Africa on the borders of Tanzania, Congo (Kinshasa), Zambia, and Burundi. It is c.420 mi (680 km) long and up ...

Stanley, William Meredith

(Encyclopedia)Stanley, William Meredith, 1904–71, American biochemist, b. Ridgeville, Ind., Ph.D. Univ. of Illinois, 1929. He was a professor at the Rockefeller Institute for Medical Research (now Rockefeller Uni...

Tewodros II

(Encyclopedia)Tewodros II or Theodore II, 1818–68, emperor of Ethiopia (1855–68), originally named Kasa or Lij Kasa. He was a commoner and a bold and clever warrior. He seized control of his native province, Ka...