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 ## Spies may be storing data to decrypt with a future quantum computer: 

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[Quantum computers may one day break encryption, and security researchers say intelligence agencies may already be storing encrypted data with a plan to crack it in future](https://www.newscientist.com/article/2293341-spies-may-be-storing-data-to-decrypt-with-a-future-quantum-computer/)



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 ## COP26: Which countries are doing best at tackling climate change?: 

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[Ahead of the COP26 climate summit, New Scientist has assessed which countries are ahead when it comes to cutting carbon emissions](https://www.newscientist.com/article/2291915-cop26-which-countries-are-doing-best-at-tackling-climate-change/)



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 ## Something strange is sending radio waves from the centre of the galaxy: 

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[A source of radio waves, nicknamed "Andy's object", coming from the direction of the centre of the galaxy has left astronomers puzzled](https://www.newscientist.com/article/2293298-something-strange-is-sending-radio-waves-from-the-centre-of-the-galaxy/)



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 ## Toxic oak moth threatens UK trees after failure to control its spread: 

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[The oak processionary moth, a native of southern Europe that damages oak trees, is invasive in the UK and is now spreading more rapidly there – despite efforts to control it](https://www.newscientist.com/article/2293250-toxic-oak-moth-threatens-uk-trees-after-failure-to-control-its-spread/)



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 ## Covid-19 news: Study finds vaccines prevent over 84% of severe cases: 

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[The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic](https://www.newscientist.com/article/2237475-covid-19-news-study-finds-vaccines-prevent-over-84-of-severe-cases/)



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 ## Living sensors in our guts could provide early warnings of cancer: 

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[Gut bacteria engineered to produce a signal when they eat chunks of DNA from cancer cells could form an early warning test for the disease, tests in mice suggest](https://www.newscientist.com/article/2293143-living-sensors-in-our-guts-could-provide-early-warnings-of-cancer/)



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 ## Will PayPal's adoption of bitcoin make cryptocurrency more mainstream?: 

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[PayPal will now allow customers to buy and sell four cryptocurrencies, which could make it more useful for everyday life. Is this the moment when cryptocurrencies become mainstream?](https://www.newscientist.com/article/2288039-will-paypals-adoption-of-bitcoin-make-cryptocurrency-more-mainstream/)



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 ## Why it is so important to protect access to the dark night sky: 

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[The night sky has wowed people since the dawn of time, but it is becoming increasingly difficult to get a good view, writes Chanda Prescod-Weinstein](https://www.newscientist.com/article/mg25133480-100-why-it-is-so-important-to-protect-access-to-the-dark-night-sky/)



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 ## Ventilation can make schools and offices safe from covid-19 – but how?: 

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[Maximising airflow in public spaces is crucial to cut covid-19 transmission, but questions remain about what technology to use and how effective it needs to be](https://www.newscientist.com/article/mg25133484-200-ventilation-can-make-schools-and-offices-safe-from-covid-19-but-how/)



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 ## Environmentalist Jonathon Porritt’s big idea to slow global warming: 

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[Regenerating natural systems will draw carbon out of the atmosphere and help tackle climate change. We must recarbonise Earth now, says Jonathon Porritt](https://www.newscientist.com/article/2287520-environmentalist-jonathon-porritts-big-idea-to-slow-global-warming/)