The partner of Theranos founder Elizabeth Holmes has raised millions of dollars for an artificial intelligence startup hoping to introduce a product that can be used in medical testing and other settings, according to two sources with direct knowledge of the endeavor who could not speak publicly because the company has not yet officially launched. The company is called Haemanthus, which is Greek for "blood flower." Holmes, a former Silicon Valley star, is serving an 11-year sentence in federal prison for misleading investors about her blood-testing startup Theranos, once heralded as a breakthrough in laboratory science before its core technology...