See the NewsGuard site for details
"A high-stakes federal election comes up in less than a week, and on the Internet the digital lies are flowing as freely as ever. I wrote recently about scientists developing software to detect fake news stories, but their programs still aren’t ready to go.New tool helps stand guard against fake news | Boston Globe
Steven Brill isn’t waiting.
Brill, cofounder of American Lawyer magazine, has joined forces with former Wall Street Journal publisher Gordon Crovitz to develop NewsGuard, a browser-based tool that tries to fend off fake news using human brains, rather than silicon chips."