Nature News
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![[:es]How sewage could reveal true scale of coronavirus outbreak[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-00973-x_17851422.jpg)
[:es]How sewage could reveal true scale of coronavirus outbreak[:]
Wastewater testing could also be used as an early-warning sign if the virus returns.
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![[:es]Mathematical proof that rocked number theory will be published[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-00998-2_17862022.jpg)
[:es]Mathematical proof that rocked number theory will be published[:]
But some experts say author Shinichi Mochizuki failed to fix fatal flaw in solution of major arithmetics problem.
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![[:es]Coronavirus lockdowns have changed the way Earth moves[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-00965-x_17843574.jpg)
[:es]Coronavirus lockdowns have changed the way Earth moves[:]
A reduction in seismic noise because of changes in human activity is a boon for geoscientists.
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![[:es]Should scientists infect healthy people with the coronavirus to test vaccines?[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00927-3_17837180.jpg)
[:es]Should scientists infect healthy people with the coronavirus to test vaccines?[:]
Radical proposal to conduct ‘human challenge’ studies could dramatically speed up vaccine research.
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![[:es]Predators on track for ocean protection around Antarctica[:]](https://katedra.eus/app/uploads/2020/03/d41586-020-00640-1_17764900.jpg)
[:es]Predators on track for ocean protection around Antarctica[:]
Satellite tracking of marine predators in the Southern Ocean has revealed key ecological areas under disproportionate pressure from human activities. These results show the value of tracking data for informing […]
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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[:]
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 climate, […]
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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[:]
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 [:]
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?[:]
Three leading health officials talk about gauging the size of local outbreaks, and why containment strategies aren’t futile yet.