G+_Elizabeth Whitmire Posted December 9, 2012 Share Posted December 9, 2012 21 Hours of TWiSMaggeddon - This Week in Science's End of the Mayan Calendar special, starting Thursday December 20 at 4pm. https://plus.google.com/events/coobud2t2fbogjk67mqrpq638n0 https://plus.google.com/events/coobud2t2fbogjk67mqrpq638n0 Link to comment Share on other sites More sharing options...
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