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Do you think this article marks the beginning of the end of life on earth?
Asked by GeorgeGee (4930)
July 17th, 2010
Scientists discovered a huge thinning of the upper atmosphere. It’s what protects all life on earth from cosmic rays and other perils.
http://www.cnn.com/2010/US/07/16/nasa.upper.atmosphere.shrinking/index.html?iref=NS1
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