In 1986, philosopher Harry G Frankfurt wrote: “One of the most salient features of our culture is that there is so much bullshit.” This was the opening line of his seminal essay (later a book), On Bullshit, in which Frankfurt put forward his theory on the subject. Three decades later, psychologists are finally getting to grips with what might be going on in the minds of those who dabble in the dark arts of BS. Ian Sample asks two such psychologists what we can do to fight back. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
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