They were once called chiffoniers, then ragpickers, then junk dealers; now they are secondhand clothes dealers. Since biblical times, people have worked for food, clothing, and shelter. They still…
Converting Between Moles, Molecules, and GramsChemistryThe MoleWhat's a Mole?Molar MassConverting Between Moles, Molecules, and GramsPercent Composition Once you know how to find molar mass, you…
(Encyclopedia) Durant, William James, 1885–1981, American historian and essayist, b. North Adams, Mass. He received his Ph.D. from Columbia in 1917 and published his doctoral dissertation, Philosophy…
(Encyclopedia) ChichimecChichimecchēchēmĕkˈ [key], general term for the peoples of the Valley of Mexico between the periods of Toltec ascendancy and Aztec ascendancy. Before the 11th cent. the…
(Encyclopedia) Engle, Robert Fry, 3d, 1942–, American economist, b. Syracuse, N.Y., Ph.D. Cornell, 1969. He has been on the faculty of the Massachusetts Intitute of Technology (1969–75), Univ. of…
(Encyclopedia) Epée, Charles Michel, Abbé de l'Epée, Charles Michel, Abbé de l'shärl mēshĕlˈ äbāˈ də lāpāˈ [key], 1712–89, French pioneer teacher of deaf-mutes. A Jansenist priest, he developed a…
(Encyclopedia) Hull, Isaac, 1773–1843, American naval officer, b. Derby, Conn. He served in the undeclared naval war with France (1798–1800) and in the Tripolitan War before being promoted to captain…
(Encyclopedia) HecubaHecubahĕkˈy&oobreve;bə [key], in Greek mythology, chief wife of Priam, king of Troy. Hecuba bore to Priam 19 children, including Paris, Hector, Troilus, Cassandra, and others…
(Encyclopedia) Göta älvGöta älvyöˌtä ĕlvˈ [key], river, 56 mi (90 km) long, SW Sweden, draining Vänern lake into the Kattegat. It is part of the Göta Canal, a 240-mi (386-km) system of rivers, lakes…
