As British petrol stations run dry, we explore the behavioural science of panic buying. Also, a dried-up lake bed reveals evidence about America’s first inhabitants. And neuroscientist Anil Seth explains what a new theory can tell us about our conscious experiences of the world—and a chance to win his book. Kenneth Cukier hosts. For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our new weekly science newsletter at economist.com/simplyscience.Terms and conditions for the book competition featured in this podcast are available at economist.com/podcast-contest. See acast.com/privacy for privacy and opt-out information.