These nine original essays examine the moral and philosophical implications of developments in the science of ethics, the growing movement that seeks to use recent empirical findings to answer long-standing ethical questions. Efforts to make moral psychology a thoroughly empirical discipline have divided philosophers along methodological fault lines, isolating discussions that will profit more from intellectual exchange. This volume takes an even-handed approach, including essays from advocates of empirical ethics as well as those who are sceptical of some of its central claims. Some of these...