Empathy is considered a virtue, yet fails in many situations, leading to a basic question: when given a choice, do people avoid empathy? And if so, why? Whereas past work has focused on material and emotional costs of empathy, here we examined whether people experience empathy as cognitively...

Self-control is often conceived as a battle between “hot” impulsive processes and “cold” deliberative ones. Heeding the angel on one shoulder leads to success; following the demon on the other leads to failure. Self-control feels like a duality. What if that sensation is misleading, and,...

Long-established rituals in pre-existing cultural groups have been linked to the cultural evolution of group cooperation. Here we test the prediction that novel rituals – arbitrary hand and body gestures enacted in a stereotypical and repeated fashion – can impact intergroup bias in newly...