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The first breakthrough in the detection of arsenic poisoning was in 1775 when Carl Wilhelm Scheele discovered a way to change arsenic trioxide to garlic-smelling arsine gas (AsH 3), by treating it with nitric acid (HNO 3) and combining it with zinc. [3] As 2 O 3 + 6 Zn + 12 HNO 3 → 2 AsH 3 + 6 Zn(NO 3) 2 + 3 H 2 O
The pit of despair was a name used by American comparative psychologist Harry Harlow for a device he designed, technically called a vertical chamber apparatus, that he used in experiments on rhesus macaque monkeys at the University of Wisconsin–Madison in the 1970s. [2] The aim of the research was to produce an animal model of depression.
True, Alfred Charles (1937), "State agricultural experiment stations without Federal aid, 1875–88: Wisconsin Agricultural Experiment Station", A history of agricultural experimentation and research in the United States, 1607–1925: including a history of the United States, U.S. Dept. of Agriculture, p. 102, Miscellaneous Publication No. 251
Carl Wilhelm Scheele (German:, Swedish: [ˈɧêːlɛ]; 9 December 1742 – 21 May 1786 [2]) was a German Swedish [3] pharmaceutical chemist.. Scheele discovered oxygen (although Joseph Priestley published his findings first), and identified molybdenum, tungsten, barium, nitrogen, and chlorine, among others.
The Clean Water Act, which was passed Oct. 18, 1972, regulates the discharge of pollutants into waters across the country. The Clean Water Act changed Wisconsin's waters. At 50, its supporters see ...
Sara Walling, water and agriculture program director at Clean Wisconsin, said its broad benefits may make it hard to dismantle the funding entirely, especially because these practices often make ...
Robert Wilhelm Eberhard Bunsen (German:; 30 March 1811 [a] – 16 August 1899) was a German chemist.He investigated emission spectra of heated elements, and discovered caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff. [11]
The Ozaukee County Sheriff's Office in Port Washington on Lake Michigan's western shore reported a child's skeleton was found in a culvert on Oct. 4, 1959, in the city of Mequon, nearly 20 miles ...