Cloud Seeding and Conspiracy Theories

Marco Silva unpacks the science and technology of cloud seeding, and why it is back in the spotlight. Alasdair Keane explores the latest tech being used to help underwater search and rescue operations. Jacqui Wakefield is on expedition with a team of researchers trying to build the world’s largest biological database. Plus Nick Kwek visits the Imperial War Museum in London to hear survivor stories brought to life thanks to new technology.