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If you’re up before dawn on Sunday, August 25, look for the Gemini stars, Castor and Pollux, close to the dazzling planet Jupiter. Then draw an imaginary line from Castor through Pollux to locate the red planet Mars.
Matt Daniel's WeatherGlobe
U.S. snow and ice in 2013 compared to 2012
Blogus scientificus by Alex Reshanov
Humans aren't top predators, says new report
Earth Trekker by Deanna Conners
Early warning system for abrupt climate impacts