Anyone who has been following the new brain science in the popular press--and even those whose casual reading includes journals along the lines of Psychoneuroendocrinology--will be fascinated by the puckish observations of Brown University biologist Anne Fausto-Sterling, whose provocative and erudite essays easily establish the cultural biases underlying current scientific thought on gender. She goes on to critique the science itself, exposing inconsistencies in the literature and weaknesses in the rhetorical and theoretical structures that support new research