Is there a gene for desire? Can love at first sight be replicated in a lab? Can sexual orientation be genetically manipulated? Does size really matter? How about faces? Is frigidity hereditary? Can you tell how faithful your partner is by looking at their brain? Can implants cause orgasms? In 50 fun, enlightening articles, catch up on the latest data on love from the halls of science. These facts and figures will dispel many preconceptions and taboos. What if, in the end, sex is what makes the world go 'round?