You've probably heard of DNA, but what do you know about RNA? As well as being the molecule that shuttles information from our genes into our cells, it also plays a huge number of other roles in all cells, from bacteria and viruses to tiny worms, plants and humans. Plus we delve into quadruplex DNA, wonder about the wolf genome, speculate on skin colour and our gene of the month has a literary twist. Like this podcast? Please help us by supporting the Naked Scientists