(Encyclopedia) Euler, LeonhardEuler, Leonhardlāˈônhärt oiˈlər [key], 1707–83, Swiss mathematician. Born and educated at Basel, where he knew the Bernoullis, he went to St. Petersburg (1727) at the…
(Encyclopedia) Horne, Lena (Lena Mary Calhoun Horne), 1917–2010, American singer and actress, b. Brooklyn, N.Y. Elegantly beautiful, Horne entered show business at 16 in the chorus line at Harlem's…
(Encyclopedia) guanacoguanacogwänäˈkō [key] or huanacoguanacohwänˈäko [key], wild mammal of the camel family, Lama guanicoe, found on arid plains in the Andes Mts. It is about 31&fslsh;2 ft (105…
(Encyclopedia) harbor seal, most commonly seen seal of the Northern Hemisphere, Phoca vitulina. Harbor seals are found along coasts and in sheltered bays and harbors of North America, Europe, and NE…
(Encyclopedia) Stritch, Elaine, 1925–2014, American actress and singer, b. Detroit. Forthright and witty, with a commanding stage presence and a raspy singing voice, she had a long career in show…
(Encyclopedia) TabernacleTabernacletăbˈərnăkˌəl [key], in the Bible, the portable holy place of the Hebrews during their desert wanderings. It was a tent, like the portable tent-shrines used by…
(Encyclopedia) slide rule, instrument for making numerical computations and readings, the results of which may be read easily and quickly after performing simple mechanical manipulations.…
(Encyclopedia) petal, one of the four basic parts of a flower, next innermost organ from the sepal. The whorl of petals is known collectively as the corolla [Lat.,=little crown]. The number of petals…
What information did the 2010 U.S. Census provide about the Hispanic population? by Jennie Wood According to the 2010 U.S. Census, of the 308.7 million people who lived in the U.S. on…
RECREATING THE QUAGGABIODIVERSITYFIND OUT MOREWildlife conservation is becoming increasingly important. Not many animals can evolve quickly enough to survive human-induced change, and few…
