Exposure unlikely as capsule located along lonely stretch of West Australia highway
                                
                                
                                    (Newser) -
                                    The radioactive capsule  lost during an 870-mile journey  through Western Australia has been located. "The search groups have quite literally found the needle in the haystack," Australia's Emergency Services Minister Stephen Dawson said at a Wednesday news conference, per  Reuters , adding the tiny silver capsule containing Caesium-137...