"How long does it take to decide if a person is hot? Is your lover more likely to get you pregnant than your husband? Can men tell when a woman is fertile? If you’ve ever wondered how scientists measure love—or whether men really prefer blondes over brunettes—this smart, sexy book provides real answers to these and many other questions about our most baffling dating and mating behaviors. Based on the latest research in biology, evolutionary psychology, neuroscience, and cognitive science, Do Gentlemen Really Prefer Blondes? dares to explain the science behind sex—and opens a fascinating window on the intriguing phenomenon of love and attraction."