Nature News
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![[:es]A year on Mars: How NASA’s Perseverance hit a geological jackpot[:]](https://katedra.eus/app/uploads/2022/02/d41586-022-00469-w_20140326.jpg)
[:es]A year on Mars: How NASA’s Perseverance hit a geological jackpot[:]
[:es] The rover collected exciting rock samples on the first leg of its epic journey. Next, it will turn towards an ancient river delta to look for past life. [:]
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![[:es]Nuclear-fusion reactor smashes energy record[:]](https://katedra.eus/app/uploads/2022/02/d41586-022-00391-1_20117136.jpg)
[:es]Nuclear-fusion reactor smashes energy record[:]
[:es] The experimental Joint European Torus has doubled the record for the amount of energy made from fusing atoms — the process that powers the Sun. [:]
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![[:es]Where did Omicron come from? Three key theories[:]](https://katedra.eus/app/uploads/2022/02/d41586-022-00215-2_20071874.jpg)
[:es]Where did Omicron come from? Three key theories[:]
[:es] The highly transmissible variant emerged with a host of unusual mutations. Now scientists are trying to work out how it evolved. [:]
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![[:es]Did a mega drought topple empires 4,200 years ago?[:]](https://katedra.eus/app/uploads/2022/01/d41586-022-00157-9_20062422.jpg)
[:es]Did a mega drought topple empires 4,200 years ago?[:]
[:es] People abandoned thriving cities in Mesopotamia, the Indus Valley and farther afield at about the same time as a decades-long drought gripped parts of the planet. [:]
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![[:es]The pandemic’s true death toll: millions more than official counts[:]](https://katedra.eus/app/uploads/2022/01/d41586-022-00104-8_20032068.jpg)
[:es]The pandemic’s true death toll: millions more than official counts[:]
[:es] Countries have reported some five million COVID-19 deaths in two years, but global excess deaths are estimated at double or even quadruple that figure. [:]
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![[:es]The COVID generation: how is the pandemic affecting kids’ brains?[:]](https://katedra.eus/app/uploads/2022/01/d41586-022-00027-4_20009338.jpg)
[:es]The COVID generation: how is the pandemic affecting kids’ brains?[:]
[:es] Child-development researchers are asking whether the pandemic is shaping brains and behaviour. [:]
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![[:es]Mars mission is China’s ‘first step’ in planetary exploration[:]](https://katedra.eus/app/uploads/2022/01/d41586-021-03849-w_19972514.jpg)
[:es]Mars mission is China’s ‘first step’ in planetary exploration[:]
[:es] Nature talks to Zhang Rongqiao, architect of the China National Space Administration’s Tianwen-1 mission, which landed the Zhurong rover on Mars. [:]
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![[:es]Alternatives to standard quantum theory ruled out[:]](https://katedra.eus/app/uploads/2021/04/PNG-1-6.png)
[:es]Alternatives to standard quantum theory ruled out[:]
[:es] Standard quantum theory contains square roots of negative numbers. But how essential are these ‘imaginary’ numbers? A way of disproving analogous theories that omit them has been proposed — […]
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![[:es]NASA spacecraft ‘touches’ the Sun for the first time ever[:]](https://katedra.eus/app/uploads/2021/12/d41586-021-03751-5_19954416.jpg)
[:es]NASA spacecraft ‘touches’ the Sun for the first time ever[:]
[:es] The Parker Solar Probe has passed through a boundary and into the Sun’s atmosphere, gathering data that will help scientists better understand stars. [:]