Scientists find large Gulf dead zone, but smaller than predicted

NOAA-supported scientists found a large Gulf of Mexico oxygen-free or hypoxic "dead" zone, but not as large as had been predicted. Measuring 5,840 square miles, an area the size of Connecticut, the 2013 Gulf dead zone indicates ...

GrayQb: A new tool for radioactive contamination mapping

Nuclear facilities in the midst of cleanup due to normal routine or unexpected incident face a remarkable challenge – how to safely determine the exact location of radioactive contamination. Such determinations are typically ...

Smaller Colorado River projected for coming decades, study says

(Phys.org)—Some 40 million people depend on the Colorado River Basin for water but warmer weather from rising greenhouse gas levels and a growing population may signal water shortages ahead. In a new study in Nature Climate ...

Sources of E. coli are not always what they seem

U.S. Department of Agriculture (USDA) scientists have identified sources of Escherichia coli bacteria that could help restore the reputation of local livestock. Studies by Agricultural Research Service (ARS) scientist Mark ...

Human impact felt on Black Sea long before industrial era

(Phys.org)—Woods Hole Oceanographic Institution geologist Liviu Giosan and an international team of collaborators including environmental engineers, modelers, paleogeographers, and paleobiologists have pieced together a ...

Cod has a key role in the whole Baltic Sea

A new investigation put in evidence the key role of cod as regulator of the whole Baltic Sea ecosystem. The study shows that when the cod population in the central Baltic increases, it spreads into larger areas and spills ...

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