(Encyclopedia) cobaltitecobaltitekōˈbôltīt, kōbôlˈtīt [key], opaque, silver-white, sometimes reddish or grayish mineral of the pyrite group, a compound of cobalt, arsenic, and sulfur, CoAsS. It…
(Encyclopedia) Klaproth, Martin HeinrichKlaproth, Martin Heinrichmärˈtēn hīnˈrĭkh kläpˈrōt [key], 1743–1817, German chemist. He is often referred to as the father of analytic chemistry. He recognized…
(Encyclopedia) YuanYuanyüän [key], river, 540 mi (869 km) long, rising in S Guizhou prov. and flowing generally NE to Donting lake, Hunan prov., SE China. Navigation above Changde is limited by…
(Encyclopedia) ZawiercieZawierciezävyĕrˈchĕ [key], city (1992 est. pop. 56,000), Śląskie prov., S Poland, on the Warta River. Its industries produce metals, glass, machinery, chemicals, and apparel.…
(Encyclopedia) Samcheok or SamchokSamcheoksämˈchôkˈ [key], city (1995 pop. 83,815), Gangwon (Kangwon) prov., E South Korea, a port on the Sea of Japan (or East Sea). It is a large industrial center…
First Place: $100,000 scholarship, Jamie Rubin, 16, Canterbury School, Fort Myers, Fla., for his project identifying small molecules that can be used in treatment for Candida albicans yeast…
(Encyclopedia) ChiaturaChiaturachēət&oomacr;ˈrə [key], city (1989 pop. 29,228), S central Georgia, on the Kvirila River. One of the world's largest manganese producers, Chiatura alone accounted…
