Half a million genomes. That's how many the UK Biobank has, stored as blood samples in freezers up in Manchester. And in September 2019 they announced a project to sequence every single one of them. It's the obvious next step for the UK Biobank, the research study that began in 2006 and now consists of an enormous biological database: the personal and medical information of its 500,000 volunteers. That data is available to any researcher who applies to use it. But how is this, the biggest whole-genome sequencing project ever, going to work? Who's coughing up the hundreds of millions of pounds... Like this podcast? Please help us by supporting the Naked Scientists