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South America
(Encyclopedia)CE5 South America, fourth largest continent (2015 est. pop. 416,436,000), c.6,880,000 sq mi (17,819,000 sq km), the southern of the two continents of the Western Hemisphere. It is divided political...Guatemala, country, Central America
(Encyclopedia)CE5 Guatemala gwätəmäˈlə [key], officially Republic of Guatemala, republic (2021 est. pop. ...nightshade
(Encyclopedia)CE5 Nightshade, Solanum dulcamara nightshade, common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping ty...Taliban
(Encyclopedia)Taliban or Taleban tälēbänˈ, –lə– [key], Islamic fundamentalist militia of Afghanistan and later Pakistan, originally consisting mainly of Sunni Pashtun religious students from Afghanistan wh...progressivism
(Encyclopedia)progressivism, in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United St...Rio de Janeiro, city, Brazil
(Encyclopedia)Rio de Janeiro rēˈō də zhänāˈrō, Port. rēˈo͝o ᵺĭ zhənĕēˈro͝o [key] [Port.,=river of January], city (1990 pop. 5,533,011; 1995 metropolitan area est. pop. 10,181,000), capital of Rio...psychopharmacology
(Encyclopedia)psychopharmacology sīˌkōfärˌməkŏlˈəjē [key], in its broadest sense, the study of all pharmacological agents that affect mental and emotional functions. The term is usually applied more speci...cancer, in medicine
(Encyclopedia)cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike benign tumors, mali...Bryan, William Jennings
(Encyclopedia)Bryan, William Jennings brīˈən [key], 1860–1925, American political leader, b. Salem, Ill. Although the nation consistently rejected him for the presidency, it eventually adopted many of the refo...reproductive system
(Encyclopedia)CE5 Reproductive system reproductive system, in animals, the anatomical organs concerned with production of offspring. In humans and other mammals the female reproductive system produces the femal...Browse by Subject
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