That could help them catch serious problems that are hard to see with the naked eye. A supercomputer could also act as a kind of second opinion, helping to confirm a doctor's suspicions about a somewhat unusual diagnosis. That, in turn, could cut down on redundant testing, which saves patients time, money and dangerous radiologic exposure.

Upfront, he let the reporters and editors in the room know he thought their reporting has been unfair to him. During the wide-ranging conversation, Trump denounced Nazi celebrations in Washington, D.C., offered Jared Kushner as a peace-broker between Israel and Palestine, promised to stay open-minded about the Paris climate-change accord, and mused that prosecuting the Clintons would be a nationally divisive move. He also stood by his appointment of Steve Bannon, saying that had he thought Bannon were racist he wouldn't have hired him. The new feature is an expansion of its "popular times" product. There are currently 32.9 million millionaires.