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Leif Ericsson

(Encyclopedia) Leif EricssonLeif Ericssonlēf ĕrˈĭksən [key], Old Norse Leifr Eiriksson, fl. a.d. 999–1000, Norse discoverer of America, b. probably in Iceland; son of Eric the Red. He spent his youth…

redstart

(Encyclopedia) redstart, common name for an Old World thrush of the genus Phoenicurus, family Turdidae. A small, slender-legged songbird, it is found in woodlands, parks, and heaths. The European…

selenium

(Encyclopedia) seleniumseleniumsəlēˈnēəm [key], nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217℃; b.p. about 685℃; sp. gr. 4.81 at 20℃; valence −2, +4, or +6. Selenium is…

Lobster FAQ

Source: National Marine Fisheries Services' Northeast Fisheries Science CenterHow many kinds of lobsters are there in the United States? Two kinds of lobster-like crustaceans exist in U.S. waters…

Migdol

(Encyclopedia) MigdolMigdolmĭgˈdŏl [key], in the Bible. 1 Place near which the Israelites crossed the Red Sea. 2 City, Egypt, where Jews lived. It is the modern Tall al Hayr, S of Pelusium.

Sedna: Planetoid or Planet?

On March 15, 2004, astronomers confirmed the discovery of the most distant object ever identified in our solar system. Twice as far from the Sun as any known object, this red mass has an unusually…

This Day in History

February 17 1600 Italian philospher, alchemist, and Copernican theory advocate Giordano Bruno was burned at the stake for heresy by the Inquisition. 1801 The electoral tie between Thomas…