This month, we get materialistic to discover how X-rays are being used to improve light emitting diodes , how probing piezoelectric materials could provide a less toxic future and how solar cells are being made more efficient, using DNA! We also celebrate the launch of Diamond's annual report and bring you the latest news and events from the synchrotron including new insight into the movements of comets in our solar system... Like this podcast? Please help us by supporting the Naked Scientists