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 women's sexual motivations /Steven W. Gangestad --Pheromones and vasanas : the functions of social chemosignals /Martha K. McClintock ... [et al.] --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.