Clash of Giants: UnitedHealth Takes On Amazon, Berkshire Hathaway and JPMorgan Chase A lawsuit exposes how unnerved major insurers are by the Big Three’s new venture into health care benefits. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Out There: ‘Genius’ Unravels the Mysteries of Einstein’s UniverseA California Court for Young Adults Calls on ScienceTake a Number: Ranks of Scientists Aging Faster Than Other WorkersGlobal Health: In a Dragon’s Blood, Scientists Discover a Potential AntibioticClimate Change Reroutes a Yukon River in a Geological InstantQ&A: Avian Housing Wars: Competition for Nesting Spots