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Searched for: GEM Subject is Science -- Instructional issues
Results 776 - 780 of 4282
This radio broadcast outlines the recent upsurge in gold mining, particularly small-scale operations, and the resulting problem of mercury pollution. A brief introduction to the use of mercury to separate gold is...
This radio broadcast discusses the health problems associated with the town of Idrija, Slovenia, which was a center for mercury mining for about 500 years. A Slovenian chemist and expert in mercury points out that the...
This radio broadcast discusses how scientists' views of global warming have changed since the subject first emerged some 20 years ago. Topics include the nature of the warming process, once thought to be a gradual...
This radio broadcast discusses the renewed interest among space scientists in studying asteroids. Once disdained as uninteresting, asteriods are now considered to represent pristine material, essentially unchanged since...
This is the homepage of the Louisiana Geological Survey (LGS). The site includes general information about LGS and its various offices, as well as an overview of the Basin Research Energy Section, the oil, gas, and coal...
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