Can Starbucks be turned around?

Investors cheered when Brian Niccol was named chief executive of Starbucks last August. Mr Niccol, then the boss of Chipotle Mexican Grill, a restaurant group, had earned an almost messianic reputation for turning around struggling hospitality businesses. The world’s biggest coffee chain, increasingly derided for its tired stores, slow service and pricey brews, desperately needed…

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Could robots really replace human astronauts?

BBC On Christmas Eve, an autonomous spacecraft flew past the Sun, closer than any human-made object before it. Swooping through the atmosphere, Nasa’s Parker Solar Probe was on a mission to discover more about the Sun, including how it affects space weather on Earth. This was a landmark moment for humanity – but one without…

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