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turtle

(Encyclopedia)turtle, a reptile of the order Chelonia, with strong, beaked, toothless jaws and, usually, an armorlike shell. The shell normally consists of bony plates overlaid with horny shields. The upper portion...

rodent

(Encyclopedia)rodent, member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of...

São Tomé and Principe

(Encyclopedia)CE5 São Tomé and Principe prēnˈsēpə [key], officially Democratic Republic of São Tomé and Principe, republic (2015 est. pop. 196,000), 372 sq mi (964 sq km), W Africa, in the Gulf of Guinea...

Côte d'Ivoire

(Encyclopedia)CE5 Côte d'Ivoire kōt dēvwärˈ [key] or Ivory Coast, officially Republic of Côte d'Iv...

sun, in astronomy

(Encyclopedia)CE5 Structure of the sun sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other bodies of the sola...

Carter, Jimmy

(Encyclopedia)Carter, Jimmy (James Earl Carter, Jr.), 1924–, 39th President of the United States (1977–81), b. Plains, Ga, grad. Annapolis, 1946. Carter served in the navy, where he worked with Admiral Hyman G....

earth, in geology and astronomy

(Encyclopedia)CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...

space science

(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

World War II

(Encyclopedia)World War II, 1939–45, worldwide conflict involving every major power in the world. The two sides were generally known as the Allies and the Axis. Although hostilities came to an end in Sept...

Mali

(Encyclopedia)CE5 Mali mäˈlē [key], officially Republic of Mali, independent republic (2015 est. pop. 17,468,000), 478,764 sq mi (1,240,000 sq km), the largest country in W Africa. Mali is bordered on the nor...