Women's periods don't sync up, even if they live together, scientists say
                                
                                
                                    (Newser) -
                                    Sorry, ladies, but your roommate, sister, or female partner doesn't have an "alpha uterus" that's causing your menstrual cycle to align with hers. That's per a  new study  by period-tracking app  Clue , which joined with University of Oxford scientists to determine if there was any truth...