Evacuations are expanding as fast as the flames, and worse may yet be to come. We visit the fiery extremes that climate change is making more likely. At a museum dedicated to disgust, our correspondent tries some repugnant stuff, learning that the reaction is about far more than food. And why Japan’s new, surname-first rule reveals a big shift in attitudes. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer