(Encyclopedia) hemp, common name for a tall annual herb (Cannabis sativa) of the family Cannabinaceae, native to Asia but now widespread because of its formerly large-scale cultivation for the bast…
(Encyclopedia) Millay, Edna St. VincentMillay, Edna St. Vincentmĭlāˈ [key], 1892–1950, American poet, b. Rockland, Maine, grad. Vassar College, 1917. One of the most popular poets of her era, Millay…
(Encyclopedia) acaciaacaciaəkāˈshə [key], any plant of the large leguminous genus Acacia, often thorny shrubs and trees of the family Leguminosae (pulse family). Chiefly of the tropics and subtropics…
(Encyclopedia)
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White birch, Betula papyrifera
birch, common name for some members of the Betulaceae, a family of deciduous trees or shrubs bearing male and female flowers on separate plants,…
(Encyclopedia) Yellowstone National Park, 2,219,791 acres (899,015 hectares), the world's first national park (est. 1872), NW Wyo., extending into Montana and Idaho. It lies mainly on a broad plateau…
(Encyclopedia) Steichen, EdwardSteichen, Edwardstīˈkən [key], 1879–1973, American photographer, b. Luxembourg, reared in Hancock, Mich. Steichen is credited with the transformation of photography…
(Encyclopedia) sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex…
Memorial Poetry Stop all the clocks, cut off the telephone . . . Excerpts from memorial poems by some of the world's greatest poets, including William Shakespeare, Emily Dickinson, and E. E.…
MacroevolutionMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution Whereas microevolution explains diversification on an individual level over relatively short…
