From Inkling, will Big Pharma's female Viagra-hopeful Flibanserin enliven ailing sex lives — or handcuff women to another daily pill? A review of Why Women Have Sex by Cindy M. Meston and David M. Buss. Why men use prostitutes: The reasons why many men pay for sex are revealed in the interviews that make up a major new piece of research. From Details, meet America's first legal male prostitute, former Marine "Markus"; and an article on the lure of dating an ex-lesbian: So-called hasbians are going for straight guys just like you! A review of Manhood: The Rise and Fall of the Penis by Mels van Driel and The Naked Man: A Study of the Male Body by Desmond Morris. The iPhone app Grindr is the biggest boon for gay sex since Craigslist. A look at how Grindr and the men who use it are changing the way you're hooking-up. Here's a polyamory zine on "infinite relationships", relationships without bounds or boundaries, love without limits, without ends. G. Tracy Mehan, III on cultures monogamous and polyamorous. Damon Linker on how the sky is still falling on the heads of sexual traditionalists. From shame to game in one hundred years: An economic model of the rise in premarital sex and its de-stigmatisation. From Arts & Opinion, Cynthia Peters on 21st century sexuality. The most telling indicator of how late capitalism is shaping human sexuality is found in the proliferation of next-generation sex dolls. The American Psychological Association may no longer consider homosexuality a disorder, but according to its updated guidebook, playing with toys or liking sex a lot is cause for concern. Here is sex explained graphically by pens. Spanish are outraged by teen masturbation workshops. A look at the 5 most horrifying attempts to teach sex ed to children.