What can science tell us about morality? Many philosophers would say, 'nothing at all'. Facts don't imply values, they say. you need further argument to move from facts about us and about the world to conclusions about what we ought to do. For example, most humans are altruistic - they genuinely...

Answers to moral questions, it seems, depend on how much serotonin there is flowing through your brain. In the future might we be able to alter people's moral behaviour with concoctions of chemicals? A train is hurtling towards five people; it's out of control. You are standing on a footbridge,...

If someone caught me shoplifting, and I was later diagnosed with kleptomania, should I be held responsible? Should I be blamed? There's a growing body of knowledge in psychiatry and neuroscience about why people think and behave the way they do. And according to one school of thought, as our...