Thousands of academics are gathering in Vancouver for the annual Congress of the Humanities and Social Sciences from June 1-7. They will present papers on everything from child marriage in Canada to why dodgeball is problematic. In its Oh, The Humanities! series, the National Post showcases some of the most interesting research. The games children play in schoolyards are famously horrible, if you stop and think about them. Tag, for example, singles out one poor participant, often the slowest child, as the dehumanized “It,” who runs vainly in pursuit of the quicker ones. Capture the Flag is nakedly militaristic. British...