What is it about social media that makes discussions about controversial topics so caustic and unpleasant? A variety of reasons have been put forward — such as the tendency for outrage to self-perpetuate, as we reported last week. But now a new study, published in PLoS One, implicates a concept so far explored in philosophy rather than psychology. This is “moral grandstanding” — publicly opining on morality and politics to impress others, and so to seek social status. Continue reading →