TaeKwonDood writes: "You might think throwing out the occasional titillating article title is part of some grand media strategy. Discover is famous for whoring themselves out for page views with articles like Bizarre Aquatic Creatures Are Secretly Lesbian Necrophiliacs and Scientific American gets into the act with Rough Sex at 40,000 Leagues Under the Sea, which got them additionally ridiculed because that is about 30X greater than the radius of the Earth, but there are occasionally real articles that aren't all tramped up and just happen to deal with sex; some of it even kinky. All of it involving cortisol. The difficulty? Kinky people are okay with being monitored and they don't always realize what 'control' means in a scientific context, but they sure don't like to stick within the study parameters."