The feasibility of the laboratory production of copper metal from a readily available, naturally occurring mineral malachite utilizing techniques that are consistent with the time period of around 4000 B.C.E. is presented. The starting materials are inexpensive and convenient and the procedure involves no hazardous reagents and produces no…

This article argues that an expanded view of linguistic landscapes provides a useful metaphor for exploring language policies. Following this view, "language policy" is defined as "linguistic landscaping" (i.e., placing language policy mechanisms which, together with already placed mechanisms, construct a metaphorical…

Sulfate reducing bacteria have been shown to be effective at treating acid mine drainage through sulfide production and subsequent precipitation of metal sulfides. In this laboratory experiment for undergraduate environmental chemistry courses, students design and implement a set of bioreactors to remediate acid mine drainage and explain observed…