How balls of cells assemble into a baby, why cell shape is crucial in cancer, telling cells where to go in an embryo, and getting a handle on how limbs develop: this week's Naked Scientists explores the science of structure. Plus, does classical music make you brainier? News of what your Christmas dinner means to the microbes in your intestines and a breakthrough in tracking the international spread of pandemics... Like this podcast? Please help us by supporting the Naked Scientists)
