BEHIND THE MINDS is a series in Mating Matters that opens up our expert interviews to anyone who is sciencey and nerdy and curious enough to want to hear it all! Want to know more? Here it is.  Darryl Gwynne, PhD, was the charming expert you heard in "Pornography Mindf**k." Remember the beetles falling hard for the beer bottles? That's him. He's a professor of biology at the University of Toronto at Mississauga. His research is mainly about sexual selection and trying to understand the evolution of sex differences and behavior. Of course, there's a twist. His primary test subjects are insects, but, hey, we're not so different. No, really... Enjoy! Mating Matters Message line is (323) 207-8277. Feel like connecting? Do it!