What's a scientific paper? What's peer review? And when governments say they're "following the science" during this pandemic, what does that actually mean? We're figuring out how science goes from results in a lab to become public information, or even national policy. Plus, in the news: we rate the security of the UK's new COVID-19 tracing app; doctors that didn't know they'd been infected with coronavirus; and should we really be bailing out airlines? Like this podcast? Please help us by supporting the Naked Scientists