Quantum leap? Row as rivals doubt Google's claim of real milestone in physics
In the perplexing world of quantum physics it is quite normal for matter to inhabit two places at once.

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Study discovers surprising link between weather and arthritis
People with arthritis are more likely to feel pain on humid, windy days, according to new research.

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Zuckerberg tries to ease concerns over controversial Libra currency
Mark Zuckerberg will pull Facebook out of the controversial Libra digital currency project if other founding members decide to press ahead without US approval.

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Police share 'shooting' video with Facebook to help identify live-streamed attacks
Police have carried out the first in a series of training exercises designed to help Facebook build technology to detect mass shootings on its website.

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Hikers saved after mountain fall as Apple Watch calls 911
A man hiking in New Jersey who slid down a cliff with his date and landed on a secluded ledge thought the two were stranded - until his Apple Watch sprang into action on its own and called the police.

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Google and IBM row over 'quantum supremacy'
Researchers at Google have said they achieved a computing milestone, but their claim has sparked a heated debate among tech giants.

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