Cows produce far more milk in rich countries than in poor ones. Our correspondent explains how beefing up bovine productivity could feed more people and reduce planet-heating emissions. Why Spain is the best-performing rich-world economy of 2024 (11:28). And remembering Harold Palmer, the Northumbrian hermit (17:12).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.