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Nature Conservancy

(Encyclopedia)Nature Conservancy, nonprofit organization established in 1951 to preserve or aid in the preservation of natural environments. It protects wilderness areas in the United States and Canada and is affil...

Wyandotte Cave

(Encyclopedia)Wyandotte Cave, one of the largest natural caverns in the United States, S Ind., W of New Albany; discovered in 1798. There are 23 mi (37 km) of passages and several large and beautiful chambers on fi...

Sycorax

(Encyclopedia)Sycorax sĭkˈərăksˌ [key], in astronomy, one of the natural satellites, or moons, of Uranus. ...

York, Cape

(Encyclopedia)York, Cape, NW Greenland, in N Baffin Bay, W of Melville Bay. The Cape York meteorites were discovered by U.S. explorer Robert E. Peary, who brought the largest (c.100 tons) to the American Mus. of Na...

Bishop's University

(Encyclopedia)Bishop's University, provincially supported, English-language university at Lennoxville, Que., Canada; founded 1843 by the Anglican bishop of Quebec as a liberal arts college. In 1853 it gained univer...

indigo

(Encyclopedia)indigo [Span.; from Lat.,=Indian], important blue dyestuff used in printing inks and for vat dyeing of cotton (see dye). It was anciently produced in India and was known in Egypt, probably c.1600 b.c....

topaz

(Encyclopedia)topaz tōˈpăz [key], aluminum silicate mineral with either hydroxyl radicals or fluorine, Al2SiO4(F,OH)2, used as a gem. It is commonly colorless or some shade of pale yellow to wine-yellow; pale bl...

caoutchouc

(Encyclopedia)caoutchouc kouˈcho͝ok [key], natural rubber obtained as a latex from various tropical plants, e.g., the Pará rubber tree. It is much more elastic than balata or gutta-percha. It is the most familia...

waterway

(Encyclopedia)waterway, natural or artificial navigable inland body of water, or system of interconnected bodies of water, used for transportation, may include a lake, river, canal, or any combination of these. The...

Pufendorf, Samuel, Baron von

(Encyclopedia)Pufendorf, Samuel, Baron von zäˈmo͞oĕl bärônˈ fən po͞oˈfəndôrf [key], 1632–94, German jurist and historian. He is especially noted as an early theorist of international law. Educated in ...