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It is time to fill out those NCAA Tournament brackets with the arrival of March Madness. Duke statistics Professor Ezra Miller says an informed fan has perhaps a 1 in 2 billion chance at picking a perfect ballot. Experts say artificial intelligence has been used by bracketologists for years and is always evolving. But AI is no guarantee of success and doesn't provide some of the critical thinking on details by human beings. The experts say finding the balance between statistical modeling and intuition is ongoing in the hunt for bracket perfection.

New artificial intelligence tools are helping doctors communicate with their patients. Some tools answer messages and others take notes during exams. It’s been just 15 months since OpenAI released ChatGPT. Already thousands of doctors are using products based on similar large language models. Enthusiasts say these AI tools save doctors’ time and prevent burnout. They’re also shaking up the doctor-patient relationship, raising questions of trust, transparency, privacy and the future of human connection. AI tools can be prompted to be friendly, empathetic and informative. They can also make mistakes, so it's important that the human doctor stay in the loop.

A Microsoft engineer is sounding an alarm about offensive and harmful imagery he says is too easily made by the company’s artificial intelligence image-generator tool. He sent letters Wednesday to U.S. regulators and Microsoft’s board of directors urging them to take action. Shane Jones told The Associated Press that he considers himself a whistleblower and that he also met last month with U.S. Senate staffers to share details of his concerns about Microsoft’s Copilot Designer, a tool that can generate novel images from written prompts. The Federal Trade Commission confirmed that it received his letter but declined further comment. Microsoft didn’t immediately respond to a request for comment.

After a year of basking in global fame, the San Francisco company OpenAI is now confronting a multitude of challenges that could threaten its position at the vanguard of artificial intelligence research. Some of its conflicts stem from decisions made well before the debut of ChatGPT. It’s too early to tell if OpenAI and its attorneys will beat back a barrage of lawsuits from Elon Musk, The New York Times and bestselling novelists such as John Grisham. The company also faces escalating scrutiny from government regulators.