What we know about Sun Cable and its collapsed Australia-Singapore solar energy project

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Elon Musk says he will resign as Twitter’s CEO when he finds a replacement

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Mercedes-Benz recalls 324,000 vehicles over water-intrusion issue that could stall engines

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Aviation system that caused widespread flight delays traces back to the 1860s

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Hackers leak sensitive files after attack on San Francisco transit police

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Video game workers form Microsoft’s first U.S. labor union

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Biden signs TikTok ban for government devices, setting up a chaotic 2023 for the app

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Help during childbirth has declined, survey finds – what this means for new mothers

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If you’re sitting all day, science shows how to undo the health risks. Take activity snacks

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Some workers at U.S. hospital giant HCA say it puts profits above patient care

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