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An inert and unreactive gas, xenon, may be a candidate for treating Alzheimer’s disease, suggests a new study in mice

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Countries spend huge sums on fossil fuel subsidies – why they're so hard to end

Recovering priceless audio and lost languages from old decaying tapes

Medical treatments devised for war can quickly be implemented in US hospitals

Why community pharmacies are closing – and what to do if yours shutters

South Africa's history uncovered: the 1k-year gap they don't teach in school

Parents can soon use QR codes to reveal heavy metal content in baby food

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