الأحد، 22 سبتمبر 2013

ScienceDaily: Top News

ScienceDaily: Top News

Arctic sea ice minimum in 2013 is sixth lowest on record

Posted: 21 Sep 2013 06:22 AM PDT

After an unusually cold summer in the northernmost latitudes, Arctic sea ice appears to have reached its annual minimum summer extent for 2013 on Sept. 13, scientists have reported. Analysis of satellite data by NSIDC and NASA showed that the sea ice extent shrunk to 1.97 million square miles (5.10 million square kilometers).

Covert operations: Your brain digitally remastered for clarity of thought

Posted: 21 Sep 2013 06:22 AM PDT

With advances in neurofeedback techniques, the signal-to-noise ratio of the brain activity underlying our thoughts can be remastered, according to a recent discovery.
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