Ashlie Warnick (Yale): Sex Without Romance: The Political Economy of Prostitution. From New York, there are 45 sex offenders living in one small Long Island town, 17 on the same block, 7 in a single suburban ranch. The virginity dialogues: How Egypt's obsession with sex and virginity relates to the broader socio-economic picture. "Sexual chemistry" is more than just a way of talking about heated attraction; subtle chemical keys actually help determine who we fall for, but our lifestyles may unwittingly undermine our natural sex appeal. Bar Flies: What a new study on alcohol and fruit flies can tell us about how booze affects human sexual behavior. Do monkeys pay for sex? A new study suggests that male monkeys trade favors with females for sex — and that the market price depends on availability.