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bristlecone pine

(Encyclopedia)bristlecone pine, common name for the pine species Pinus longaeva, found in the White Mountains of California. Specimens have been known to live some 5,000 years. ...

Long, Stephen Harriman

(Encyclopedia)Long, Stephen Harriman, 1784–1864, American explorer, b. Hopkinton, N.H. As an army engineer, Long was sent on several exploring and surveying expeditions. The first in 1817 was to the region of the...

Zagros

(Encyclopedia)Zagros zăgˈrŏs [key], mountain system of W Iran, extending c.1,100 mi (1,770 km) from the Turkish-Armenian frontier SE to the Strait of Hormuz, forming the western and southern border of the centra...

Thompson, Daniel Pierce

(Encyclopedia)Thompson, Daniel Pierce, 1795–1868, American novelist, b. Charlestown, Mass. He wrote adventure novels, many of which deal with life in Vermont. His notable work is The Green Mountain Boys (1839). ...

Douglas, George

(Encyclopedia)Douglas, George, pseud. of George Douglas Brown, 1869–1902, English novelist, b. Scotland. His reputation rests on his single novel, The House with the Green Shutters (1901), a somber story of Scott...

butterwort

(Encyclopedia)butterwort, common name for several species of the plant genus Pinguicula of the north temperate zone and the mountains of tropical America. It is a member of the family Lentibulariaceae (bladderwort ...

Maathai, Wangari Muta

(Encyclopedia)Maathai, Wangari Muta wän-gäˈrē mātīˈ [key], 1940–2011, Kenyan environmental...

jasper ware

(Encyclopedia)jasper ware, kind of Wedgwood pottery in green, blue, lilac, and other colors, with characteristic Greek reliefs and designs. ...

color

(Encyclopedia)color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different color cones of the...

emerald

(Encyclopedia)emerald, the green variety of beryl, of which aquamarine is the blue variety. Chemically, it is a beryllium-aluminum silicate whose color is due to small quantities of chromium compounds. The emerald ...