Carole Hooven is an evolutionary biologist at Harvard University. Her new book is called "T: The Story of Testosterone, the Hormone that Dominates and Divides Us".Carole Hooven is an evolutionary biologist at Harvard University. Her new book is called "T: The Story of Testosterone, the Hormone that Dominates and Divides Us".Carole Hooven is an evolutionary biologist at Harvard University. Her new book is called "T: The Story of Testosterone, the Hormone that Dominates and Divides Us".