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Short, Daniel B.; Weis, Nicole – School Science Review, 2013
The number of science and discovery centres has grown exponentially over the last two centuries. Science and discovery centres are one of the top five stimuli that influence a career choice in science. Their history, growth, impact and role in the public understanding of science are discussed. (Contains 2 tables, 7 figures, and 21 online…
Descriptors: Foreign Countries, Science Teaching Centers, Educational History, Exhibits
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Wajrak, Magdalena – School Science Review, 2011
Natural arsenic salts are present in all waters, with natural concentrations of less than 10 parts per billion (ppb). Unfortunately, there is an increasing number of countries where toxic arsenic compounds in groundwater, which is used for drinking and irrigation, have been detected at concentrations above the World Health Organization's…
Descriptors: Water, Foreign Countries, Safety, Science Equipment