Material World - 18/03/2010

With more and more doubts being raised about climate research. Quentin Cooper asks, 'how does science handle the issue of uncertainty?' How do different branches of research quantify what they can't be sure of? The Royal Society is to hosting a special meeting - Handling Uncertainty - to discuss these issues, and Quentin gets a foretaste. Artificial photosynthesis makes biofuels better than plants do. Quentin talks to its inventor The UK is finally getting its first space agency; what will be its purpose?