(Encyclopedia) flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale…
(Encyclopedia) brant or brant goose, common name for a species of wild sea goose. The American brant, Branta bernicla, breeds in the Arctic and winters along the Atlantic coast. The head, neck, and…
(Encyclopedia) Torrey, John, 1796–1873, American botanist and chemist, b. New York City, M.D. College of Physicians and Surgeons, 1818. He was professor of chemistry (1827–55) at his alma mater and…
(Encyclopedia) WeimaranerWeimaranervīˈməräˌnər, wīˈmərāˌ– [key], breed of large, muscular sporting dog developed in Germany in the early 19th cent. It stands between 23 and 27 in. (58.4–68.6 cm) high…
Terminates a complete declarative or mild imperative sentence: There could be no turning back as war's dark shadow settled irrevocably across the continent of Europe.—W. Bruce Lincoln. Return all…
The Question: What causes a chameleon to change its body color? The Answer: The chameleon has several cell layers beneath its transparent skin. These layers are…
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(Encyclopedia) granite, coarse-grained igneous rock of even texture and light color, composed chiefly of quartz and feldspars. It usually contains small quantities of mica or hornblende, and minor…
A Face Only a Mother Could LoveClassical MythologyThe Model Hero: PerseusA Face Only a Mother Could LoveHomeward BoundA Family Reunion Medusa was one of three monstrous sisters called the Gorgons.…
A dollar for every president by Shmuel Ross Washington's dollar coin, the first to be released Photo Credit: U.S. Mint Side view of the presidential dollar…
