Nature News
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![[:es]Alexa, do I have COVID-19?[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02732-4_18423250.jpg)
[:es]Alexa, do I have COVID-19?[:]
[:es] Researchers are exploring ways to use people’s voices to diagnose coronavirus infections, dementia, depression and much more. [:]
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![[:es]Water on Mars: discovery of three buried lakes intrigues scientists[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02751-1_18423590.jpg)
[:es]Water on Mars: discovery of three buried lakes intrigues scientists[:]
[:es] Researchers say they have detected a group of lakes hidden under the red planet’s icy surface. [:]
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![[:es]‘Apocalyptic’ fires are ravaging the world’s largest tropical wetland[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02716-4_18404590.jpg)
[:es]‘Apocalyptic’ fires are ravaging the world’s largest tropical wetland[:]
[:es] Infernos in South America’s Pantanal region have burnt twice the area of California’s fires this year. Researchers fear the rare ecosystem will never recover. [:]
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![[:es]Scientists use big data to sway elections and predict riots — welcome to the 1960s[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02607-8_18365338.jpg)
[:es]Scientists use big data to sway elections and predict riots — welcome to the 1960s[:]
[:es] A cold-war-era corporation targeted voters and presaged many of today’s big-data controversies. [:]
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![[:es]Vaccines — lessons from three centuries of protest[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02671-0_18386382.jpg)
[:es]Vaccines — lessons from three centuries of protest[:]
[:es] Immunization has always been a proxy for wider fears about social control, a history reminds us[:]
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![[:es]Microscopy illuminates charcoal’s sketchy origins[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02672-z_18388894.jpg)
[:es]Microscopy illuminates charcoal’s sketchy origins[:]
[:es] A large volume of charcoal sold in Europe comes from tropical forests and is often incorrectly labelled, raising questions about whether it was logged illegally. [:]
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![[:es]How COVID-19 can damage the brain[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02599-5_18337142.jpg)
[:es]How COVID-19 can damage the brain[:]
[:es] Some people who become ill with the coronavirus develop neurological symptoms. Scientists are struggling to understand why. [:]
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![[:es]The lasting misery of coronavirus long-haulers[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02598-6_18365668.jpg)
[:es]The lasting misery of coronavirus long-haulers[:]
[:es] Months after infection with SARS-CoV-2, some people are still battling crushing fatigue, lung damage and other symptoms of ‘long COVID’. [:]
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![[:es]The Arctic is burning like never before — and that’s bad news for climate change[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02568-y_18360144.jpg)
[:es]The Arctic is burning like never before — and that’s bad news for climate change[:]
[:es] Fires are releasing record levels of carbon dioxide, partly because they are burning ancient peatlands that have been a carbon sink. [:]