As renowned filmmaker Greta Gerwig’s Barbie releases in theatres along with Christopher Nolan’s magnum opus Oppenheimer, we’re in for a box office battle to remember. In fact, the ‘Barbieheiemer’ frenzy has taken over pop culture, with both films garnering rave reviews from critics and audiences alike. So on today’s Now You Know, we take a look at some lesser-known facts about Barbie, the doll who happens to hail from a parallel universe.