SciMatch thinks it can. The dating app runs photos of users’ faces through its algorithm to determine their personality traits, such as outgoing, neurotic or conscientious. It then recommends potential mates who have compatible characteristics. AI is playing an increasingly larger role in our daily lives, providing medical diagnoses, homework help and meal planning. And it promises to reshape millions of other tasks. When it comes to online dating, AI has already seeped into some aspects, such as helping people optimize their profile pictures and start conversations. But some relationship experts doubt AI can effectively play matchmaker. SciMatch, which launched...