12/08/2014

US Gulf oyster harvest nose-dives since BP spill

Gulf Coast oyster harvests have declined dramatically in the four years since a BP PLC oil well blew in the U.S.'s worst offshore oil disaster, spilling millions of gallons off Louisiana's coast in 2010.

Research masters the misunderstood mixed-phase cloud

They are ice, they are rain—and sometimes in-between. Mixed-phase clouds, ubiquitous in the Arctic, are an enigma for scientists trying to understand their role in affecting the climate. In a study led by Dr. Mikhail Ovchinnikov ...

Rising gas prices make renewables a sure bet

New analysis by UNSW suggests that renewable investment is likely to be cheaper and lower risk for Australia, since rising and uncertain gas prices make baseload gas-fired electricity high risk and high cost.

A possible signal from dark matter?

(Phys.org) —Galaxies are often found in groups or clusters, the largest known aggregations of matter and dark matter. The Milky Way, for example, is a member of the "Local Group" of about three dozen galaxies, including ...

NASA carbon counter reaches final orbit, returns data

(Phys.org) —Just over a month after launch, the Orbiting Carbon Observatory-2 (OCO-2)—NASA's first spacecraft dedicated to studying atmospheric carbon dioxide—has maneuvered into its final operating orbit and produced ...

ESA image: Saturn's moon Rhea, Epimetheus transiting

Saturn has a great many more moons than our planet – a whopping 62. A single moon, Titan, accounts for an overwhelming 96% of all the material orbit the planet, with a group of six other smaller moons dominating the rest. ...

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