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Wagamaga OP t1_iz1ekm8 wrote

Reply to Hearing aids might be an important tool in the effort to prevent cognitive decline and dementia. The use of hearing aids was associated with a 19% reduction in long-term cognitive decline. The use of these devices can even benefit those who have begun to show a decline in cognition by Wagamaga

help performed 3% better on cognitive scores in the short term, according to the study. https://us.cnn.com/2022/12/05/health/hearing-loss-dementia-study-wellness

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DisasterousGiraffe OP t1_j56m25d wrote

Reply to comment by Mollymusique in Successful test flight of Hydrogen-Electric Airplane could be key to zero-carbon flying. Aim for commercial 700 mile flight with 40-80 seater aircraft by 2027. by DisasterousGiraffe

Other possible ways of decarbonizing planes are [sustainable aviation fuel](https://us.cnn.com/2023/01/17/business/air-fares-davos-sustainable-fuel/index.html) and [electric aircraft](https://edition.cnn.com/2022/09/01/business/pipistrel-velis-electro-flight-training-spc-intl). Hopefully somebody will solve it for us soon

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