Story links for NightLife April 15 Teens drivers and senior behind the wheel are both high risk groups – especially if they have certain personalities. There’s a lot of talk about inequality of income but new research from the US shows it’s linked to big differences in how long people live. Copying other people (especially in exams) is often frowned on, but it turns out that children under one year old learn social behaviours when they copy others. You’d think saying sorry was pretty simple – but now the academics at Ohio State have analysed what makes a good apology. We’d like to think that gender stereotypes are breaking down – but maybe that’s not so according to new research from the University at Buffalo. Research into oxytocin – the hug drug – may get a whole new boost – it’s been shown to improve self control in overweight men.