From helping to hand grenades: Setting the bar for altruism. A review of Kindness in a Cruel World: the Evolution of Altruism by Nigel Barber
Evolutionary Psychology 3: 208-215L. James Climenhage, Department of Psychology, Simon Fraser University, 8888 University drive, Burnaby B.C., CanadaDennis L. Krebs, Department of Psychology, Simon Fraser University, 8888 University drive, Burnaby B.C., Canada, krebs@sfu.ca