The starting point was meeting the head of brain genetics at the Californian Institute for Technology 12 years ago, and he said to me, “I know you have an interest in science – you might want to come to our lab. We have just identified the cluster of genes responsible for empathy.” And I was amazed. I went there and they started showing me the work they were doing. I couldn’t believe it. They had also identified the cluster of genes responsible for hand-eye coordination and he said parents in the future will be able to choose things like the amount of empathy in their kids and whether they are good at sports. Read more of our interview with Peter James.