Nature News
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![[:es]The search for animals harbouring coronavirus — and why it matters[:]](https://katedra.eus/app/uploads/2021/03/d41586-021-00531-z_18907452.jpg)
[:es]The search for animals harbouring coronavirus — and why it matters[:]
Scientists are monitoring pets, livestock and wildlife to work out where SARS-CoV-2 could hide, and whether it could resurge.
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![[:es]Why COVID vaccines are so difficult to compare[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00409-0_18880476.jpg)
[:es]Why COVID vaccines are so difficult to compare[:]
Despite the widespread roll-out of several vaccines, it could be months before they can be ranked.
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![[:es]No sign of Planet Nine? Trail runs cold for hypothetical world[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00456-7_18878078.jpg)
[:es]No sign of Planet Nine? Trail runs cold for hypothetical world[:]
Analysis of three astronomical surveys provides some of the best evidence yet against the existence of a giant planet at the fringes of the Solar System.
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![[:es]Quantum network is step towards ultrasecure internet[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00420-5_18864282.jpg)
[:es]Quantum network is step towards ultrasecure internet[:]
Experiment connects three devices with entangled photons, demonstrating a key technique that could enable a future quantum internet.
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![[:es]The coronavirus is here to stay — here’s what that means[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00396-2_18857324.jpg)
[:es]The coronavirus is here to stay — here’s what that means[:]
A Nature survey shows many scientists expect the virus that causes COVID-19 to become endemic, but it could pose less danger over time.
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![[:es]Neanderthal-like ‘mini-brains’ created in lab with CRISPR[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00388-2_18855486.jpg)
[:es]Neanderthal-like ‘mini-brains’ created in lab with CRISPR[:]
Organoids that contain an ancient version of a gene that influences brain development are smaller and bumpier than those with human genes.
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![[:es]AI maths whiz creates tough new problems for humans to solve[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00304-8_18829054.jpg)
[:es]AI maths whiz creates tough new problems for humans to solve[:]
Algorithm named after mathematician Srinivasa Ramanujan suggests interesting formulae, some of which are difficult to prove true.

![[:es]Robo-writers: the rise and risks of language-generating AI[:]](https://katedra.eus/app/uploads/2021/03/d41586-021-00530-0_18901924.jpg)
![[:es]The broken promise that undermines human genome research[:]](https://katedra.eus/app/uploads/2021/02/d41586-021-00331-5_18844916.jpg)