Nature News
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![[:es]This black-hole collision just made gravitational waves even more interesting[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-01153-7_17910610.jpg)
[:es]This black-hole collision just made gravitational waves even more interesting[:]
[:es] An unprecedented signal from unevenly sized objects gives astronomers rare insight into how black holes spin. [:]
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![[:es]Revealed: How a spacecraft will bring Mars rocks to Earth[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-01114-0_17897510.jpg)
[:es]Revealed: How a spacecraft will bring Mars rocks to Earth[:]
[:es] NASA and the European Space Agency firm up plans to return the first samples from the Red Planet. [:]
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![[:es]Bats are a key source of human viruses — but they’re not special[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-01096-z_17888408.jpg)
[:es]Bats are a key source of human viruses — but they’re not special[:]
[:es] Statistical analyses suggest that surveillance efforts for the next pandemic look beyond the flying mammals. [:]
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![[:es]Why measles deaths are surging — and coronavirus could make it worse[:]](https://katedra.eus/app/uploads/2020/04/d41586-020-01011-6_17863536.jpg)
[:es]Why measles deaths are surging — and coronavirus could make it worse[:]
[:es] The world’s most contagious virus has killed thousands in the Democratic Republic of the Congo, and 23 countries have suspended measles vaccination campaigns as they cope with SARS-CoV-2. [:]
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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[:]
[:es] 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[:]
[:es] 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[:]
[:es] 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?[:]
[:es] 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[:]
[:es] 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 […]