“I get even more nervous singing when everyone's fallen silent, but I really try to communicate the meaning of the lyrics, and there's people there listening to that, and if they're moved by it, then I'm moved as well.”

“So someday in the near future hopefully rather than having a foot or a leg amputated we'll just give you an injection of the cells and restore the blood flow. We've also created entire tubes of red blood cells from scratch in the laboratory. So there are a lot of exciting things in the pipeline.”