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llama

(Encyclopedia)llama läˈmə [key], South American domesticated ruminant mammal, Lama glama, of the camel family. Genetic studies indicate that it is descended from the guanaco. Smaller than the camel and lacking a...

fallout

(Encyclopedia)fallout, minute particles of radioactive material produced by nuclear explosions (see atomic bomb; hydrogen bomb; Chernobyl) or by discharge from nuclear-power or atomic installations and scattered th...

Heyerdahl, Thor

(Encyclopedia)Heyerdahl, Thor hāˈərdälˌ, hīˈ– [key], 1914–2002, Norwegian explorer and anthropologist, b. Larvik. He carried out research in the Marquesas Islands in 1937–38 and studied the indigenous ...

sociobiology

(Encyclopedia)sociobiology, controversial field that studies how natural selection, previously used only to explain the evolution of physical characteristics, shapes behavior in animals and humans. The theory has c...

Young, Michael Warren

(Encyclopedia)Young, Michael Warren, 1949–, American geneticist, b. Miami, Fla., Ph.D. Univ. of Texas, Austin, 1975. Young has been on the faculty at Rockefeller Univ. since 1978, and he was also an investigator ...

biometrics, in biology

(Encyclopedia)biometrics, also known as biostatistics or biometry, in biology, the development and application of statistical and mathematical methods to the analysis of data resulting from biological observations ...

Lubbers, Ruud

(Encyclopedia)Lubbers, Ruud (Rudolphus Franciscus Marie Lubbers), 1939–2018, Dutch political leader. After the death of his father (1965), he became codirector of the family's engineering firm. A member (from 196...

Mishustin, Mikhail Vladimirovich

(Encyclopedia)Mishustin, Mikhail Vladimirovich, 1966–, Russian economist and political leader. Trained in systems engineering and economics, he was Russia's deputy tax minister (1998–2004), then worked for gove...

Idaho Falls

(Encyclopedia)Idaho Falls, city (2020 pop. 64,818), seat of Bonneville co., SE Idaho, traversed by the Snake River; inc. 1900. The chief city of the extensively irrig...

Shushtar

(Encyclopedia)Shushtar sho͞oshtärˈ [key], town (1991 pop. 70,294), Khuzestan prov., SW Iran, on the Karun River. It has irrigated agriculture and has long been known for its brocaded textiles, metalwork, and eng...