We’re turning the lights on, looking back at the origins of photosynthesis and the mysteries of the chloroplast genome. From The King James Bible to The Great Oxygen Catastrophe, every lungful of air you breathe has a remarkable story.Full show notes, transcript, music credits and references online at GeneticsUnzipped.com Follow us on Twitter @GeneticsUnzipThis episode of Genetics Unzipped was written and presented by Kat Arney with audio production by Emma Werner and Sally Le Page.This podcast is produced by First Create the Media for the Genetics Society - one of the oldest learned societies dedicated to promoting research, training, teaching and public engagement in all areas of genetics.