Small variations in magnetic fields can be environmental stresses

ScienceDaily: Earth Science News


Small variations in magnetic fields can be environmental stresses

Posted: 23 Apr 2012 03:42 PM PDT

We are surrounded by a constantly changing magnetic field, be it Earth’s or those emanating from devices, such as cell phones. Scientists are interested in understanding how these magnetic-field fluctuations change biochemical reactions inside us.

Diversity aided mammals’ survival over deep time

Posted: 23 Apr 2012 03:41 PM PDT

The first study of how mammals in North America adapted to climate change in “deep time” found that families with greater diversity were more stable and maintained larger ranges than less diverse families.

Climate change may create price volatility in the corn market

Posted: 22 Apr 2012 10:49 AM PDT

Corn, America’s No. 1 crop, could see its prime growing region shift to the Canadian border or its price volatility increase sharply within 30 years. A new study points to climate change as the cause.
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