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Hunza

(Encyclopedia)Hunza ho͝onˈsä [key], former princely state, 3,900 sq mi (10,101 sq km), NW Kashmir, administered by Pakistan. Declared a British protectorate in 1893, Hunza acceded to Pakistan after the partition...

operon

(Encyclopedia)operon, in genetics, site on a bacterial chromosome containing genes that control protein synthesis (structural genes) together with a gene that determines whether the structural genes are active or n...

Malheur

(Encyclopedia)Malheur məlo͝orˈ [key], river, c.165 mi (270 km) long, rising in several branches in the Strawberry Mts., E Oregon. The united stream flows generally NE to the Snake River at Ontario. There are flo...

Mace, chemical spray

(Encyclopedia)Mace, chemical spray device used by police in riot control. Mace is ordinary tear gas (chloroacetophenone, or CN) in a volatile solvent contained in a spray can. It causes severe lacrimation and tempo...

Marais des Cygnes

(Encyclopedia)Marais des Cygnes mĕrˈē də sēn [key], river, c.140 mi (230 km) long, rising in E central Kans., SW of Topeka, and flowing SE into W Mo. to join the Little Osage River and form the Osage River. Su...

automation

(Encyclopedia)automation, automatic operation and control of machinery or processes by devices, such as robots that can make and execute decisions without human intervention. The principal feature of such devices i...

Cheyenne, river, United States

(Encyclopedia)Cheyenne, river, 527 mi (848 km) long, rising in E Wyo. and flowing NE to the Missouri River near Pierre, S.Dak. The Cheyenne basin is part of the Missouri River basin project. The U.S. Bureau of Recl...

Hodgkin, Dorothy Mary Crowfoot

(Encyclopedia)Hodgkin, Dorothy Mary Crowfoot, 1910–94, English chemist and X-ray crystallographer, b. Egypt. She received the 1964 Nobel Prize in chemistry for determining the structure of biochemical compounds (...

Snowy Mountains

(Encyclopedia)Snowy Mountains, range of the Australian Alps, SE Australia. It is the site of the Snowy Mts. Hydroelectric Scheme, Australia's most extensive hydroelectricity and irrigation complex. The scheme was b...

Rufiji

(Encyclopedia)Rufiji ro͞ofēˈjē [key], river, c.375 mi (600 km) long, rising in the highlands of SW Tanzania, E Africa, and flowing NE then E to the Indian Ocean opposite Mafia Island. The Great Ruaha River is i...