The killing of the country’s top nuclear scientist comes at a tricky time: violent retribution may threaten hoped-for diplomacy with the incoming American administration. An artificial-intelligence breakthrough may transform protein science, with implications for everything from industrial processes to tackling disease. And why Europe’s lighter-touch, second round of lockdowns have been so effective.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer Hosted on Acast. See acast.com/privacy for more information.

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“What did the council decide on item 42?” — answered with the speaker and the moment.