It looks like a toy spider, but this micro-robot is one of an army of tiny devices designed to travel INSIDE your body to spot – and even treat – disease

One of them had legs and ‘to be honest, looked a little scary’ — Professor Pietro Valdastri is describing one of his designs for a miniature robot capable of navigating its way through a human body, one of 20 prototypes he has designed with the potential to diagnose or ‘even cure’ disease.