Measuring the impact of fake news spread through Facebook or Twitter is more difficult. Did made-up reports of pre-election ballot-stuffing for Hillary Clinton in Ohio before the election change any votes? Perhaps not, but it did lead the story’s original author, a Republican legislative aide in Maryland, to lose his job last week On many college campuses, professors are teaching their students identify and analyze fake news shared on social media, while some are even teaching students how to write their own fake news stories as a form of satire to make a bigger point about critical thinking. —Seeker