Tag Archives: cumberland

Curiosity Resumes Science after Analysis of Voltage Issue

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NASA’s Mars rover Curiosity resumed full science operations on Saturday, Nov. 23.

Activities over the weekend included use of Curiosity’s robotic arm to deliver portions of powdered rock to a laboratory inside the rover. The powder has been stored in the arm since the rover collected it by drilling into the target rock “Cumberland” six months ago. Several portions of the powder have already been analyzed. The laboratory has flexibility for examining duplicate samples in different ways. (more…)

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Hydraulic Fracturing Fluids Likely Harmed Threatened Kentucky Fish Species

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Hydraulic fracturing fluids are believed to be the cause of the widespread death or distress of aquatic species in Kentucky’s Acorn Fork, after spilling from nearby natural gas well sites. These findings are the result of a joint study by the U.S. Geological Survey and the U.S. Fish and Wildlife Service.

The Acorn Fork, a small Appalachian creek, is habitat for the federally threatened Blackside dace, a small colorful minnow. The Acorn Fork is designated by Kentucky as an Outstanding State Resource Waters. (more…)

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