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Scientists: Physical Sciences

  Notable Scientists: Physical Sciences Astronomers, astrophysicists, chemists, and physicists     Jump to a category:…

Medici, Italian family

(Encyclopedia) MediciMedicimĕˈdĭchē, Ital. māˈdēchē [key], Italian family that directed the destinies of Florence from the 15th cent. until 1737. Of obscure origin, they rose to immense wealth as…

Milestones in Environmental Protection

Preservation and conservation milestones in the United States by Holly Hartman 1840s–1860s1870s–1880s1890s–1920s1930s–1960s1970s1980s1990s2000sMost Recent Entry 1849 The U.S.…

Canadian literature, English

(Encyclopedia) Canadian literature, English, literary works produced in Canada and written in the English language. The essayist Northrop Frye is noted for his systematic classification of…

AIDS, in medicine

(Encyclopedia) AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections,…

Iraq Crisis: Who's Who

Who's Who in the Iraq Crisis From al-Sahaf to Wolfowitz by Beth Rowen Who's Who John Abizaid Mohammed Saeed al-Sahaf Kofi Annan Tariq Aziz José María…

light

(Encyclopedia) light, visible electromagnetic radiation. Of the entire electromagnetic spectrum, the human eye is sensitive to only a tiny part, the part that is called light. The wavelengths of…

football

(Encyclopedia) CE5 A professional football field. College teams use a similar field except that the inbound lines are 53 ft 4 in. (16.25 m) from the sidelines. football, any of a number of games…

Notable Actors

Isabella Rossellini See also Filmmakers and Directors African-American Actors Asian American Film & Television Personalities Hispanic-American Film, Television, and Theater…