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W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

Jolliet, Louis

(Encyclopedia)Jolliet or Joliet, Louis both: jōˈlēĕtˌ, jōˌlēĕtˈ, Fr. lwē zhôlyāˈ [key], 1645–1700, French explorer, joint discoverer with Jacques Marquette of the upper Mississippi River, b. Quebec ...

Bourassa, Robert

(Encyclopedia)Bourassa, Robert, 1933–96, Canadian political leader. He received a law degree from the Univ. of Montreal (1957) and later studied at Oxford and Harvard. He was elected to the Quebec Legislative Ass...

track and field athletics

(Encyclopedia)track and field athletics or athletics, sports of foot racing, hurdling, jumping, vaulting, and throwing varied weights and objects. They are usually separated into two categories: track, the running ...

Murcia, autonomous community and former kingdom, Spain

(Encyclopedia)Murcia Span. mo͞orˈthyä [key], autonomous community and former Moorish kingdom (2011 pop. 1,462,128), 4,368 sq mi (11,314 sq km), SE Spain, on the Mediterranean Sea, comprising the province of Murc...

Bosnia and Herzegovina

(Encyclopedia)CE5 Bosnia and Herzegovina bŏzˈnēə, hĕrtsəgōvēˈnə [key], Serbo-Croatian ...

Gulf Stream

(Encyclopedia)Gulf Stream, warm ocean current of the N Atlantic Ocean, off E North America. It was first described (1513) by Spanish explorer Ponce de León. The Gulf Stream originates in the Gulf of Mexico and, as...

Mackenzie, Sir Alexander, Canadian fur trader and explorer

(Encyclopedia)Mackenzie, Sir Alexander, 1764?–1820, Canadian fur trader and explorer, b. Scotland. His family took him to the colony of New York in 1774, and later he was sent to Canada. He entered (c.1779) a Mon...

São Tomé and Principe

(Encyclopedia)CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...

Trudeau, Pierre Elliott

(Encyclopedia)Trudeau, Pierre Elliott (Joseph Philippe Pierre Ives Elliott Trudeau) tro͞odōˈ [key], 1919–2000, prime minister of Canada (1968–79, 1980–84), b. Montreal. He attended the Univ. of Montreal, H...