Nature News
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![[:es] The hard truths of climate change — by the numbers [:]](https://katedra.eus/app/uploads/2019/09/panos_00188255-large-1.jpg)
[:es] The hard truths of climate change — by the numbers [:]
A set of troubling charts shows how little progress nations have made toward limiting greenhouse-gas emissions.
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![[:es]Debating the bedrock of climate-change mitigation scenarios[:]](https://katedra.eus/app/uploads/2019/09/d41586-019-02744-9_17160936.jpg)
[:es]Debating the bedrock of climate-change mitigation scenarios[:]
Researchers and policymakers rely on computer simulations called integrated assessment models to determine the best strategies for tackling climate change. Here, scientists present opposing views on the suitability of these […]
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![[:es]First hint that body’s ‘biological age’ can be reversed[:]](https://katedra.eus/app/uploads/2019/09/epigeneticshp-0e2364932398cb92caf2e7dd579c6cb4.jpg)
[:es]First hint that body’s ‘biological age’ can be reversed[:]
In a small trial, drugs seemed to rejuvenate the body’s ‘epigenetic clock’, which tracks a person’s biological age.
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![[:es]How nuclear scientists are decoding Russia’s mystery explosion[:]](https://katedra.eus/app/uploads/2019/09/d41586-019-02574-9_17121782.jpg)
[:es]How nuclear scientists are decoding Russia’s mystery explosion[:]
Isotopes that caused a radiation spike earlier this month probably came from an exploding nuclear-reactor core — but device’s application is still unknown.
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![[:es]Ancient stone tools hint at settlers’ epic trek to North America[:]](https://katedra.eus/app/uploads/2019/09/d41586-019-02589-2_17116164.jpg)
[:es]Ancient stone tools hint at settlers’ epic trek to North America[:]
16,000-year-old artefacts discovered in Idaho could be the oldest ever found on the continent.
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![[:es]Alarming surge in drug-resistant HIV uncovered[:]](https://katedra.eus/app/uploads/2019/07/d41586-019-02316-x_17018502.jpg)
[:es]Alarming surge in drug-resistant HIV uncovered[:]
The drug-resistant form of the virus has been detected at unacceptable levels across Africa, Asia and the Americas.
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![[:es]Japan approves first human-animal embryo experiments[:]](https://katedra.eus/app/uploads/2019/07/d41586-019-02275-3_16974380.jpg)
[:es]Japan approves first human-animal embryo experiments[:]
The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome.
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![[:es]How a data detective exposed suspicious medical trials[:]](https://katedra.eus/app/uploads/2019/07/d41586-019-02241-z_16936474.jpg)
[:es]How a data detective exposed suspicious medical trials[:]
Anaesthetist John Carlisle has spotted problems in hundreds of research papers — and spurred a leading medical journal to change its practice.
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![[:es]The plan to mine the world’s research papers[:]](https://katedra.eus/app/uploads/2019/07/d41586-019-02142-1_16920470.jpg)
[:es]The plan to mine the world’s research papers[:]
A giant data store quietly being built in India could free vast swathes of science for computer analysis — but is it legal?