Nature News
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![[:es]The myriad ways sewage surveillance is helping fight COVID around the world[:]](https://katedra.eus/app/uploads/2021/05/d41586-021-01234-1_19142282.jpg)
[:es]The myriad ways sewage surveillance is helping fight COVID around the world[:]
[:es] Wastewater tracking was used before the pandemic to monitor for polio and illicit drug use, but interest in the field and its applications has now ballooned. [:]
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![[:es]How COVID broke the evidence pipeline[:]](https://katedra.eus/app/uploads/2021/05/d41586-021-01246-x_19143564.jpg)
[:es]How COVID broke the evidence pipeline[:]
[:es] The pandemic stress-tested the way the world produces evidence — and revealed all the flaws. [:]
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![[:es]How many COVID deaths are acceptable in a post-pandemic world?[:]](https://katedra.eus/app/uploads/2021/05/d41586-021-01220-7_19134842.jpg)
[:es]How many COVID deaths are acceptable in a post-pandemic world?[:]
[:es] Even after mass vaccinations, some hospitalizations and deaths from the coronavirus are inevitable — but opinions differ on how many is too many for a return to relative normality. […]
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![[:es]Fevers are plaguing the oceans — and climate change is making them worse[:]](https://katedra.eus/app/uploads/2021/05/d41586-021-01142-4_19121558.gif)
[:es]Fevers are plaguing the oceans — and climate change is making them worse[:]
[:es] Sudden marine heatwaves can devastate ecosystems, and scientists are scrambling to predict when they will strike. [:]
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![[:es]Weird viral DNA spills secrets to biologists[:]](https://katedra.eus/app/uploads/2021/05/d41586-021-01157-x_19116942.jpg)
[:es]Weird viral DNA spills secrets to biologists[:]
[:es] Bacteria-infecting viruses have specialized enzymes to make genes with alternative nucleobase. [:]
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![[:es]These cellular clocks help explain why elephants are bigger than mice[:]](https://katedra.eus/app/uploads/2021/04/d41586-021-01086-9_19097560.jpg)
[:es]These cellular clocks help explain why elephants are bigger than mice[:]
[:es] Biologists are uncovering how tiny timekeepers in our cells might govern body size, lifespan and ageing. [:]
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![[:es]What’s next for physics’ standard model? Muon results throw theories into confusion[:]](https://katedra.eus/app/uploads/2021/04/d41586-021-01033-8_19098656.jpg)
[:es]What’s next for physics’ standard model? Muon results throw theories into confusion[:]
[:es] Anomalies to fundamental theory have physicists trying to concoct new explanations. [:]
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![[:es]The future costs of methane emissions[:]](https://katedra.eus/app/uploads/2021/04/d41586-021-00972-6_19081070.png)
[:es]The future costs of methane emissions[:]
[:es] An analysis of the costs of climate change caused by adding one tonne of methane to the atmosphere finds that high-income regions of the world should spend much more […]
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![[:es]Elusive cancer cells dissected using developmental-biology toolkit[:]](https://katedra.eus/app/uploads/2021/04/d41586-021-01029-4_19063758.jpg)
[:es]Elusive cancer cells dissected using developmental-biology toolkit[:]
[:es] Unpicking how cancer stem cells divide and spread could help to explain how tumours grow and evade treatments. [:]