Moshe Hoffman: UCSD Rady School of ManagementWe review the evidence regarding a biological basis for sex differences in risk aversion and competitiveness. We present the relevant literature in evolutionary theory, […]

Christophe Boesch: Director of the Department of Primatology at the Max Planck Institute for Evolutionary AnthropologyFieldwork studies have revealed with much detail the sophisticated levels of cooperation and altruism in […]

Jennifer Smith: UCLA Center for Society & Genetics and Department of Ecology and Evolutionary BiologyCooperation is pervasive in the societies of humans and other animals, yet the current body of […]