Only 11 per cent of nurses are men, but now more men are applying to study nursing degrees, as the NHS tries to plug its shortage of workers. Jo Taylor meets the new recruits as they start their careers at Addenbrookes hospital in Cambridge. The programme looks into a new app that uses people's DNA to help fight diabetes. The app aims to give people more information about how different food affects them personally. And Lenny Henry, who has an OU degree himself, celebrates 50 years of The Open University - looking back at the ups and downs of half a century of higher education. Show less