Microsoft researchers said in a study that a new artificial intelligence (AI) tool that can diagnose patients step by step, like how a doctor would do, was more than twice as accurate as general physicians at solving complex medical cases.The study, which was published on Thursday in Science, said that the AI model takes a different approach to diagnosing medical issues than most other models that seek to address those issues.Microsoft said the AI model identifies and coordinates the questions that should be asked of a patient, as well as the exams and tests that should be ordered, using an "o...