Machine makes people more empathic

There's the old saying that if you want to understand someone, you should walk a mile in their shoes. But what if you could walk in their actual body? Thanks to virtual reality headsets, this is now - at least virtually - possible. And by fooling people into thinking they have a child's body, or one belonging to someone of a different skin colour, Mel Slater and his colleagues in Barcelona discovered, as he explained to Kat Arney, that this changes their behaviour too...