This month, as the eLife Podcast hits its century, we hear how getting frog dads to cross-foster tadpoles has revealed the way in which some frogs come by their microbiomes, the ants that do gene therapy, signs that disease causes a breakdown in nutrient exchange between the elements of the microbiome, how fungi reprogram immune cells to cause over-reactions in sepsis, and new insights into how tapeworm larvae in the brain cause seizures... Get the references and the transcripts for this programme from the Naked Scientists website