Dean H Hamer

Dean Hamer is Chief of Gene Structure and Regulation at the National Cancer Institute's Laboratory of Biochemistry. He's the co-author of "Living with Our Genes: Why They Matter More Than You Think" (Doubleday). The book is about Hamer's research looking at how specific genes are linked to our behavior, traits like anxiety, thrill-seeking, and homosexuality. (Interview by Marty Moss-Coane)