It’s often said that we know more about the Moon’s surface than we do about the deep sea – which starts at a depth of 1,800 metres and reaches down to almost 11,000m within the Mariana Trench. That belief is completely wrong, apparently, said Sandrine Ceurstemont in the New Scientist – and is elegantly dismantled in episode one of the riveting The Deep-Sea Podcast, by host Dr Alan Jamieson, a world leader in the biological exploration of the ocean below 6,000m. Jamieson and his co-host Dr Thomas Linley have attracted an impressive roster of interviewees, including authors and artists as well as scientists. In one episode, they talk to