When success is achieved, the world will have a workable, scalable model for global vaccination a blueprint for success that can be used time and again to reach children throughout the developing world and prevent disease on an unprecedented scale.

WSJ: Bill Gates and Michael Bloomberg: Our Plan to Eradicate Polio

These findings have now been complemented by Dr Knight's project, which made use of climateprediction.net, a network of personal computers on which processing time is volunteered by members of the public, to compile 57, 000 different runs of a global-climate model developed at the Hadley Centre.

ECONOMIST: Climatology: Grey-sky thinking | The