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Moon, Saturn and Spica on Saturday evening, March 19
Moon, Saturn, Spica
Matt Daniel's WeatherGlobe
Major cold, snow, and even ice for a large part of the U.S.
Blogus scientificus by Alex Reshanov
Babies' weak immune systems may benefit them
Earth Trekker by Deanna Conners
How to spot the International Space Station
This Date in Science by Elizabeth Howell
This date in science: E=mc2