The science races are on. After decades of relative neglect, science and technology are again seen as vital tools for international development. Governments, companies and philanthropists are racing to help poor people benefit from research and development in rich countries.
But the two races that generate most excitement the race to global economic success and the race to find a universal fix for the problems of developing countries raise some difficult questions. Where will they take people? How will they maintain their momentum? Who will win the prizes and who will be left behind?