(Encyclopedia) Wu, Chien-ShiungWu, Chien-Shiungchyĕnˈ-shy&oobreve;ngˈ w&oomacr; [key], 1912–97, Chinese-American physicist. She emigrated to the United States from China in 1936 and received…
(Encyclopedia) mercury or quicksilver [from the Roman god Mercury], metallic chemical element; symbol Hg [Lat. hydrargyrum=liquid silver]; at. no. 80; at. wt. 200.59; m.p. −38.842℃; b.p. 356.58℃; sp…
(Encyclopedia) solid waste, discarded materials other than fluids. In the United States in 1996, nearly 210 million tons—about 4.3 lb. (2 kg) per person daily (up from 2.7 lb./1.2 kg in 1960)—were…
(Encyclopedia) ToledoToledotəlēˈdō [key], city (1990 pop. 332,943), seat of Lucas co., NW Ohio, on the Maumee River at its junction with Lake Erie; inc. 1837. With a natural harbor and its railroads…
(Encyclopedia) KerchKerchkyĕrch [key], city (1989 pop. 174,000), E Crimea. It lies on the Kerch Strait of the Black Sea and at the eastern end of the Kerch Peninsula, a strip of land between the Sea…