My brother's keeper: in which an engineer from Boston revolutionises medical research
Patients like me: in which a group of American patients outperform the professionals
Bug in the system: In which Indian amateurs do 300 years' work in four months and the study of packed lunches reveals a new way to beat disease
Rice wars: in which billions of lives are saved at put at risk by one green revolution, and (hopefully) saved by another
Running on air: in which an Englishman in a shed solves a century-old problem with his lawnmower and invents two-saving machines
Instant power: in which we learn the lessons of an electric mountain in Wales and the surprising foundation of Singapore's economic miracle
Edison's revenge: in which Edison kills an elephant in New York and a small Austrian town comes back from the brink
Energy trilemma: in which a basketball ace takes on the corporates
Make way for the enernet: in which an internet pioneer literally has to eat his words and then re-imagines the entire world energy system
Always bet on the tortoise: in which th the people of Detroit reconnect and begin to transform a city
How to make politicians popular: in which Brazilian neighbourhood activists come up with an idea to reboot politics, try it, and find it actually works
Worst school in the country: in which an ex-nightclub owner creates a beacon of excellence and a New Zealand stats man sees the big picture
System addict: in which the author sets out his stall.