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Southampton Island

(Encyclopedia)Southampton Island, c.15,700 sq mi (40,700 sq km), Nunavut Territory, Canada, at the entrance to Hudson Bay. It is separated from the mainland by Ross Welcome Sound and Frozen Strait. With lowlands in...

permafrost

(Encyclopedia)permafrost, permanently frozen soil, subsoil, or other deposit, characteristic of arctic and some subarctic regions; similar conditions are also found at very high altitudes in mountain ranges. In 196...

Namibe

(Encyclopedia)Namibe mōsäˈmədĕs [key], town (1987 est. pop. 77,000), SW Angola, a port on the Atlantic Ocean. Iron ore is the leading export; sisal, cotton, tobacco, frozen meat, hides, and skins are also sign...

in vitro fertilization

(Encyclopedia)in vitro fertilization vēˈtrō, vĭˈtrō [key] (IVF), technique for conception of a human embryo outside the mother's body. Several ova, or eggs, are removed from the mother's body and placed in sp...

probiotic

(Encyclopedia)probiotic, live microorganism administered to a host with the intention of providing a health benefit, or a food, supplement, or treatment containing such microorganisms. Many of the microbes found in...

Colville, river, United States

(Encyclopedia)Colville, river, c.375 mi (600 km) long, rising in the De Long Mts. of the Brooks Range, NW Alaska, and flowing across the tundra, east then north, to the Arctic Ocean. All of its major tributaries ri...

Finland, Gulf of

(Encyclopedia)Finland, Gulf of, eastern arm of the Baltic Sea, c.285 mi (460 km) long and from c.10 to c.75 mi (15–120 km) wide, between Finland and Russia and Estonia. The shallow gulf receives the Narva River a...

Nettilling Lake

(Encyclopedia)Nettilling Lake nĕchˈĭlĭng [key], freshwater lake, 1,956 sq mi (5,066 sq km), S Baffin Island, Nunavut Territory, Canada; one of the largest lakes entirely within Canada. It is located in an arcti...

Ziguinchor

(Encyclopedia)Ziguinchor zēgăNshôrˈ [key], city (1988 pop. 124,283), SW Senegal, a port on the Casamance River. Located in a rice-growing region, the city produces peanut oil, frozen fish, and orange juice and ...

Fray Bentos

(Encyclopedia)Fray Bentos frīˈbānˈtōs [key], city, capital of Río Negro dept., SW Uruguay, a port on the ...