ByGreg Miller "Oxytocin has a touchy-feely reputation, thanks to research showing that it promotes social bonding in a wide range of animals, including humans. But a study published on page 1408 of this week's issue of Science hints that the hormone has a prickly side as well. In experiments...

By Carsten K. W. De Dreu, Lindred L. Greer, Michel J. J. Handgraaf, Shaul Shalvi, Gerben A. Van Kleef, Matthijs Baas, Femke S. Ten Velden, Eric Van Dijk, Sander W. W. Feith. "Humans regulate intergroup conflict through parochial altruism; they self-sacrifice to contribute to in-group welfare and...

By Ingvild Almås, Alexander W. Cappelen, Erik Ø. Sørensen, Bertil Tungodden "Fairness considerations fundamentally affect human behavior, but our understanding of the nature and development of people’s fairness preferences is limited. The dictator game has been the standard experimental design for...

By Karl Sigmund "How does cooperation emerge among selfish individuals? When do people share resources, punish those they consider unfair, and engage in joint enterprises? These questions fascinate philosophers, biologists, and economists alike, for the "invisible hand" that should turn...

By Robert Sparrow "Since the first sex reassignment operations were performed, individual sex has come to be, to some extent at least, a technological artifact. The existence of sperm sorting technology, and of prenatal determination of fetal sex via ultrasound along with the option of termination...

By Frans Svensson "Conceived of as a contender to other theories in substantive ethics, virtue ethics is often associated with, in essence, the following account or criterion of right action: VR: An action A is right for S in circumstances C if and only if a fully virtuous agent would characteristically...

By Liisa Myyrya, Soile Juujaumlrvi and Kaija Pesso The aim of this study was to clarify the relationships between empathy variables, personal values and moral reasoning. The impact of empathic concern, perspective taking and personal values measured by the Portrait Value Questionnaire on moral schemas...

By Simone Schnall, Jean Roper and Daniel M.T. Fessler Feelings of elevation, elicited by witnessing another person perform a good deed, have been hypothesized to motivate a desire to help others. However, despite growing interest in the determinants of prosocial behavior, there is only limited evidence...

By Robert Thornberg The purpose of this study was to investigate and generate a grounded theory on how and why students behave as they do in school situations in which they witness another student in distress. Fieldwork and interviews were conducted in 2 Swedish elementary schools and guided by a grounded...

By Jasmine Williams, Juliet Memery, Philip Megicks and Mark Morrison The purpose of this paper is to identify, and explore the importance of, ethical and socially responsible (ESR) factors in Australian consumers' choices of grocery products and stores. Read the article .