After decades as a scientific also-ran, China is becoming a superpower particularly in the physical sciences. We examine the risks and opportunities that poses for the West. Our correspondent looks into why denizens of the Mediterranean live so long (10.32). And this year’s confluence of two broods makes for a rare preponderance of cicadas (17.53).Get a world of insights by subscribing to Economist Podcasts+. For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account. Hosted on Acast. See acast.com/privacy for more information.