Adding sulfate to naturally contaminated water might isolate arsenic
Microbial processes ultimately determine whether arsenic builds to dangerous levels in groundwater, and remediation might be as simple as stimulating certain microbes to grow, according to an October 26 press release from the University of Illinois at Urbana-Champaign.
Arsenic contamination is a serious human health threat. In the Ganges Delta of Bangladesh, for example, chronic exposure to arsenic has been linked to hypertension, cardiovascular disease and cancers.
Radar-like LiDAR may revolutionize agricultural air monitoring
The atmosphere, especially the air around agricultural operations, is being studied in a whole new light with technology adapted by U.S. Department of Agriculture (USDA) scientists and partners, according to an October 18 USDA press release.
USDA's Agricultural Research Service (ARS) researchers are examining many environmental and agricultural applications of a technology called LiDAR (light detection and ranging), a radar-like technology that uses short pulses of laser light to detect and differentiate airborne particles, gases or molecules.
U.S., U.K., Australian scientists examined eruption-related chemistry
An international team of geoscientists has published a study on the Mount St. Helens volcano that may contribute to the development of new tools for monitoring volcanoes, according to an October 14 press release from the University of Oregon.
The study, published online this week in the journal Science Express, examined geochemical precursors to volcanic activity leading to the cataclysmic eruption of the southwestern Washington mountain in 1980. The work yields new insight into volcano behavior.
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