Evolutionary psychology and motivation Introduction Fear and loathing of evolutionary psychology in the social sciences Daniel W. Leger Alan C. Kamil and Jeffrey A. French Risk taking intrasexual competition and homicide Martin Daly and Margo Wilson Adaptive design selective history and womens sexual motivations Steven W. Gangestad Pheromones and vasanas : the functions of social chemosignals Martha K. McClintock [and others] The adaptive toolbox : toward a Darwinian rationality Gerd Gigerenzer Cognitive strategies and the representation of social relations by monkeys Robert M. Seyfarth and Dorothy L. Cheney Motivation and melancholy : a Darwinian perspective Randolph M. Nesse