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Feb 6, 2011 at 9:34 answer added Dan Petersen timeline score: 10
Feb 6, 2011 at 7:03 answer added JBorger timeline score: 7
Feb 6, 2011 at 6:10 answer added Steven Landsburg timeline score: 1
Feb 6, 2011 at 5:36 history edited Xuanting Cai CC BY-SA 2.5
added 51 characters in body
Feb 6, 2011 at 5:30 history asked Xuanting Cai CC BY-SA 2.5