What came first, the chicken or the egg? Yanny or Laurel? Is the dress blue and black or white and gold? These puzzling questions have fueled lively debates on the internet for decades. Now, a new debate is causing a stir online, and it has everyone stumped. Ryan Nixon, who goes by @NewYorkNixon on Twitter, sparked a debate when he shared an idea that he and his friends devised. “My mates and I...