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The Big Dipper makes up a part of the Ursa Major or Big Bear constellation. Image criedit: Old Book Art Image Gallery
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