Nature News
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![[:es]When will the Amazon hit a tipping point?[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00508-4_17740514.jpg)
[:es]When will the Amazon hit a tipping point?[:]
[:es] Scientists say climate change, deforestation and fires could cause the world’s largest rainforest to dry out. The big question is how soon that might happen. [:]
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![[:es]Powerful antibiotics discovered using AI[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00018-3_17728252.jpg)
[:es]Powerful antibiotics discovered using AI[:]
[:es] Machine learning spots molecules that work even against ‘untreatable’ strains of bacteria. [:]
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![[:es]Is this Nefertiti’s tomb? Radar clues reignite debate over hidden chambers[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00465-y_17715034.jpg)
[:es]Is this Nefertiti’s tomb? Radar clues reignite debate over hidden chambers[:]
[:es] A new survey hints at a previously unknown space beyond Tutankhamun’s burial chamber. [:]
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![[:es]30 years of the iron hypothesis of ice ages[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00393-x_17713980.png)
[:es]30 years of the iron hypothesis of ice ages[:]
[:es] In 1990, an oceanographer who had never worked on climate science proposed that ice-age cooling has been amplified by increased concentrations of iron in the sea — and instigated an explosion of research. [:]
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![[:es]How peat could protect the planet[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00355-3_17668332.jpg)
[:es]How peat could protect the planet[:]
[:es] Across the globe, drained peatlands are emitting billions of tonnes of carbon dioxide each year. Scotland has emerged as a leader in efforts to restore bogs to health. [:]
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![[:es]Super-precise CRISPR tool enhanced by enzyme engineering[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00340-w_17663734.jpg)
[:es]Super-precise CRISPR tool enhanced by enzyme engineering[:]
[:es] Improvements to a method known as base editing could pave the way for safer gene therapies. [:]
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![[:es]Neurodegenerative diseases distinguished through protein-structure analysis[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00131-3_17590904.png)
[:es]Neurodegenerative diseases distinguished through protein-structure analysis[:]
[:es] Parkinson’s disease and multiple system atrophy involve the protein α-synuclein. Proof that aggregated α-synuclein adopts a different structure in each case suggests that its conformation underlies the distinct disorders. [:]
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![[:es]Step aside CRISPR, RNA editing is taking off[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00272-5_17619238.jpg)
[:es]Step aside CRISPR, RNA editing is taking off[:]
[:es] Making changes to the molecular messengers that create proteins might offer flexible therapies for cancer, pain or high cholesterol, in addition to genetic disorders. [:]
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![[:es]Early climate models successfully predicted global warming[:]](https://katedra.eus/app/uploads/2020/02/d41586-020-00243-w_17600628.jpg)
[:es]Early climate models successfully predicted global warming[:]
[:es] Climate models published between 1970 and 2007 provided accurate forecasts of subsequently observed global surface warming. This finding shows the value of using global observations to vet climate models as the planet warms. [:]