Hilary Cottam, a social entrepreneur and "accidental designer" from the UK, talks about how design and technology can be used to fix serious social problems. >
We talk to Johnny Kelly, the animator behind Apple's five new Health App videos: sleep, mindfulness, nutrition, activity and how everything is connected. >
Warren Du Preez and Nick Thorton Jones are London-based image makers, artists and film makers who've worked with Bjork, Alexander McQueen and Iris Van Herpen. >
Elena Arzak is a world-renowned chef, widely acknowledged to be one of the most pioneering female chefs in history. Here she talks about her love of flavour. >