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oarfish

(Encyclopedia) oarfish, large, elongated fish, genus Regalecus, found in the oceans worldwide except for the polar regions. Oarfish species are solitary and rarely seen by humans. The giant oarfish,…

mammography

(Encyclopedia) mammography, diagnostic procedure that uses low-dose X rays to detect abnormalities in the breasts. Tomosynthesis, also known as 3D mammography, is form of mammography that combines X-…

Braun, Karl Ferdinand

(Encyclopedia) Braun, Karl FerdinandBraun, Karl Ferdinandfĕrˈdēnäntˌ [key]Braun, Karl Ferdinand broun [key], 1850–1918, German physicist. Braun taught at the Univ. of Marburg, Strasbourg Univ.,…

Tompkins, Daniel D.

(Encyclopedia) Tompkins, Daniel D., 1774–1825, American political figure, Vice President of the United States (1817–25), b. Scarsdale, N.Y. A leader of the Jeffersonian group in New York state, he…

Hounsfield, Sir Godfrey Newbold

(Encyclopedia) Hounsfield, Sir Godfrey Newbold, 1919–2004, British electrical engineer. A radar expert for the Royal Air Force during World War II, in the 1950s Hounsfield began developing computer…

Hess, Victor Francis

(Encyclopedia) Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in…

The House of Representatives — 110th Congress

In the following lists, the numeral indicates the congressional district represented; AL is for representatives at large. All terms run from Jan. 2007 to Jan. 2009. See also: Current and…

wood

(Encyclopedia) CE5 Wood A. Cross section of a woody stem B. Enlarged view, showing xylem, phloem, and cambium wood, botanically, the xylem tissue that forms the bulk of the stem of a woody plant…

Rages

(Encyclopedia) RagesRagesrāˈjēz [key] or RhagaeRagesrāˈjē [key], ancient and medieval city of Persia, located on the site of modern-day Ray, N Iran, a suburb of Tehran. Rages is mentioned in the…