Kary Mullis' next-gen cure for killer infections. Dan Dennett: Cute, sexy, sweet, funny. Spencer Wells builds a family tree for humanity. Nellie McKay sings "Clonie" Juan Enriquez on genomics and our future. Bonnie Bassler on how bacteria "talk". Dean Ornish says your genes are not your fate. Gregory Stock: To upgrade is human. Barry Schuler: Genomics 101.