Ponds used to prosper alongside old agricultural practices. But 100 years' of modernisation has seen bodies of water on farmland disappear, although they never truly die. And this week we go in search of their ghostly remains and show how they can spring back to life. Plus, in the news, how dengue and Zika infection makes us more attractive to mosquitoes, a lunar mystery that has space agencies bickering, and how you may be able to help map the entire seabed by 2030... Like this podcast? Please help us by supporting the Naked Scientists