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Applied sciences and engineering/Information science/Information retrieval/Search engines

Examples of “fake news,” such as a report that Pope Francis had endorsed Donald Trump’s presidential campaign, are the equivalent of a bad cold in the body politic, says Dan Kahan, a professor of law and psychology at Yale University. But much more troubling, he told a session of the 2017 AAAS Annual Meeting, are the “toxic memes” Trump has mastered that represent what he called “a cancer” on enlightened democracy.