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protactinium

(Encyclopedia) protactiniumprotactiniumprōˌtăktĭnˈēəm [key], radioactive chemical element; symbol Pa; at. no. 91; mass number of most stable isotope 231; m.p. greater than 1,600℃; b.p. 4,026℃; sp. gr…

forgery, in art

(Encyclopedia) forgery, in art, the false claim to authenticity for a work of art. A forger often unconsciously produces a confusion of styles or subtly accents elements reflecting contemporary…

2006 Intel Science Talent Search Winners

First Place: $100,000 scholarship, Shannon Lisa Babb, 18, of Highland, Utah, for an environmental science project identifying the human impact to water quality along…

Asian American Writers

Maxine Hong KingstonBiographies ofNotable Asian Pacific AmericansA-Z ListGovernment Officials and PoliticiansBusiness and Media LeadersAthletes & Sports PersonalitiesScientistsEntertainers…

2007 MacArthur Foundation Awards

  Related Links Intel Science Talent Search WinnersNobel Prize Winners2006 MacArthur Foundation Awards The MacArthur Foundation awards monetary prizes each year in order to…

Leonardo da Vinci

(Encyclopedia) Leonardo da VinciLeonardo da Vincidə vĭnˈchē, Ital. lāōnärˈdō dä vēnˈchē [key], 1452–1519, Italian painter, sculptor, architect, musician, engineer, and scientist, b. near Vinci, a…

2000 Intel Science Talent Search Top Ten Winners

First Place: $50,000 scholarship, Natalia Toro, 14, Fairview High School, Boulder, Colo., for her physics project “Independent Analysis of Evidence for nu_mu <—> nu_tau Oscillations in the…