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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