A life-saving cancer therapy is being scaled up in Cambridge to deliver more treatments to more patients for more cancers. It works by super-charging the patient’s own immune system. Our immune system has billions of ‘T cells’ which recognise and destroy cells that might pose a threat to our wellbeing, such as those that show specific hallmarks of infection and disease. But these remarkable cells appear to be outwitted by cancer cells, which evade detection and grow uncontrollably. For some of