Nature News
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![[:es]Forty years of ice-core records of CO2[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00809-8_17822838.jpg)
[:es]Forty years of ice-core records of CO2[:]
[:es] In 1980, a method was found to determine the amount of carbon dioxide in ancient air trapped in polar ice — providing direct evidence that CO2 is coupled to […]
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![[:es]The coronavirus pandemic in five powerful charts[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00758-2_17796232.jpg)
[:es]The coronavirus pandemic in five powerful charts[:]
[:es] From papers published to carbon emissions to confirmed cases, these data reveal an unprecedented viral outbreak and its impacts around the world. [:]
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![[:es]How a small nuclear war would transform the entire planet [:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00794-y_17796482.jpg)
[:es]How a small nuclear war would transform the entire planet [:]
[:es] As geopolitical tensions rise in nuclear-armed states, scientists are modelling the global impact of nuclear war. [:]
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![[:es]How much is coronavirus spreading under the radar?[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00760-8_17796354.jpg)
[:es]How much is coronavirus spreading under the radar?[:]
[:es] Three leading health officials talk about gauging the size of local outbreaks, and why containment strategies aren’t futile yet. [:]
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![[:es]Labs rush to study coronavirus in transgenic animals — some are in short supply[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00698-x_17782134.jpg)
[:es]Labs rush to study coronavirus in transgenic animals — some are in short supply[:]
[:es] Mice originally bred for SARS research are in high demand. [:]
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![[:es]Why does the coronavirus spread so easily between people?[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00660-x_17726768.jpg)
[:es]Why does the coronavirus spread so easily between people?[:]
[:es] Researchers have identified microscopic features that could make the pathogen more infectious than the SARS virus — and serve as drug targets. [:]
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![[:es]The golden age of neutron-star physics has arrived[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00590-8_17751692.gif)
[:es]The golden age of neutron-star physics has arrived[:]
[:es] These stellar remnants are some of the Universe’s most enigmatic objects — and they are finally starting to give up their secrets. [:]
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![[:es]Enter the twilight zone: scientists dive into the oceans’ mysterious middle[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00520-8_17741008.jpg)
[:es]Enter the twilight zone: scientists dive into the oceans’ mysterious middle[:]
[:es] The vast, wild depths between light and shadow face increasing threats from climate change and overfishing. [:]
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![[:es]Why faces don’t always tell the truth about feelings[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00507-5_17730904.jpg)
[:es]Why faces don’t always tell the truth about feelings[:]
[:es] Although AI companies market software for recognizing emotions in faces, psychologists debate whether expressions can be read so easily. [:]