books.google.com.ph - Why are women biologically driven to find Mr. Tall, Dark, and Handsome?Can more sex help ensure a safe pregnancy?What effect does pornography have on a man's fertility? In this compelling follow-up to the New York Times bestseller Survival of the Sickest, Dr. Sharon Moalem takes us on a trip from prehistory...http://books.google.com.ph/books/about/How_Sex_Works.html?hl=tl&id=LLxmFjpA5C4C&utm_source=gb-gplus-shareHow Sex Works
