
Mary Roach Is Going At It Again Yes, snarky science writer Mary Roach penned a book about sex research. No, the book wasn't called Stiff. Stiff was about decaying corpses; Bonk is about copulating live bodies (well, for the most part. There is mention of autoerotic death and whether a beating-heart cadaver could have an orgasm if properly stimulated). Mary goes at her subject with the usual curiosity and irreverence befitting a woman who was raised as a strict Catholic. (Too strict, of course. Press down on that spring all you want but someday -- BOING! Or in this case, BONK!) Bonk is subtitled The Curious Coupling of Science and Sex. That coupling part also includes Mary and her husband who volunteer to have an intimate moment recorded by dynamic 3D ultrasound imaging. Why bother with dull regular ultrasound for such an occasion? Just go all the way. Going solo Mary gets some hands-on experience with a photoplethysmograph probe used to gauge her reactions while watching v...