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Akeley, Carl Ethan

(Encyclopedia) Akeley, Carl EthanAkeley, Carl Ethanākˈlē [key], 1864–1926, American naturalist, animal sculptor, and author, b. Orleans co., N.Y. He served (1887–95) at the Museum of Milwaukee; from…

latex

(Encyclopedia) latex, emulsion of a polymer (e.g., rubber) in water (see colloid). Natural latexes are produced by a number of plants, are usually white in color, and often contain, in addition to…

Ganymede, in astronomy

(Encyclopedia) GanymedeGanymedegănˈēmēdˌ [key], in astronomy, one of the moons, or natural satellites, of Jupiter; the largest natural satellite in the solar system, it is larger than the planet…

elastomer

(Encyclopedia) elastomerelastomerĭlăsˈtəmər [key], substance having to some extent the elastic properties of natural rubber. The term is sometimes used technically to distinguish synthetic rubbers…

Tait, Peter Guthrie

(Encyclopedia) Tait, Peter Guthrie, 1831–1901, Scottish physicist and mathematician. He was professor of natural philosophy at Edinburgh from 1860 and conducted important investigations in…

asphalt

(Encyclopedia) asphaltasphaltăsˈfôlt, –fălt [key], brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons. It varies in…

American Museum of Natural History

(Encyclopedia) American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site facing Central…

Field Museum of Natural History

(Encyclopedia) Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was…

Buckland, William

(Encyclopedia) Buckland, William, 1784–1856, English geologist. He was dean of Westminster from 1845. First to note in England the action of glacial ice on rocks, he did much to bring physical and…