Scientists have discovered a real-life 'moral compass' in the brain that controls how we judge other people's behaviour. The region, which lies just behind the right ear, becomes more active when we think about other people's misdemeanours or good works. In an extraordinary experiment, researchers were able to use powerful magnets to disrupt this area of the brain and make people temporarily less moral. The study highlights how our sense of right and wrong isn't just based on upbringing, religion or philosophy - but by the biology of our brains. Dr Liane Young, who led the study, said: 'You think...