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Bacteria make protein toxins to compete with other bacteria in microbial communities. A study of a common soil bacterium has revealed a previously unknown type of antibacterial toxin that forms a striking umbrella-like structure.
Mating between different species has often been considered an evolutionary dead end, but a study in longwing butterflies suggests that such hybridization could underlie the origins of a new species.
The hinge enables insects to control their wing movements, but how it works is hard to study. Multidisciplinary research, using imaging and machine-learning methods, now sheds light on the mechanism that underlies its operation.
The sympathetic nervous system, which enables the fight-or-flight response, was thought to be present only in jawed vertebrates. Analysis of a jawless vertebrate suggests that this system might be a feature of all animals with a spine.
Paring down the astronomical complexity of the protein-folding problem, plus Isaac Newton’s ambiguous use of the word ‘axiom’, in the weekly dip into Nature’s archive.
An ambitious investigation has analysed discourse on eight social-media platforms, covering a vast array of topics and spanning several decades. It reveals that online conversations increase in toxicity as they get longer — and that this behaviour persists despite shifts in platforms’ business models, technological advances and societal norms.
Is there a conservation benefit if tropical forests that are affected by logging gain certification from the Forest Stewardship Council? An analysis of the biodiversity outcomes in such tropical forests provides answers.
An innovative solid-state lithiation strategy allows the exfoliation of layered transition-metal tellurides into nanosheets in an unprecedentedly short time, without sacrificing their quality. The observation of physical phenomena typically seen in highly crystalline TMT nanosheets opens the way to their use in applications such as batteries and micro-supercapacitors.
Nanoscale systems that release small molecules have potential therapeutic and industrial uses, but can result in low numbers of molecules reaching their target. A release system triggered by mechanical force offers a fresh approach.
Applications from quantum computing to searches for physics beyond the standard model could benefit from precision control of polyatomic molecules. A method of confining and manipulating single polyatomic molecules held in tightly focused ‘optical tweezer’ laser arrays at ultracold temperatures could boost progress on all those fronts.
The largest genome-wide association study for type 2 diabetes so far, which included several ancestry groups, led to the identification of eight clusters of genetic risk variants. The clusters capture different biological pathways that contribute to the disease, and some clusters are associated with vascular complications.
Microscopic magnetic fields form in non-magnetic materials when light makes the atoms rotate. A similar macroscopic effect has long been known, but proof of its atomic equivalent could give rise to ultrafast data processing.
Animals that receive an inhibitor of an antiviral cell-death response called necroptosis are less likely to die of influenza even at a late stage of infection. This has implications for the development of therapies for respiratory diseases.
The sensing of bitter taste results from the complex interplay of many chemical cues and a range of receptors. It emerges that this complexity might be built-in even at the level of individual receptors.
What every biologist should know about electronics, plus a disturbing outbreak of volcanism in North Carolina, in the weekly dip into Nature’s archive.
Anthropogenic climate change is accelerating the hydrological cycle, causing an increase in the risk of flood-related disasters. A system that uses artificial intelligence allows the creation of reliable, global river flood forecasts, even in places where accurate local data are not available.
Scientists have designed a liquid that behaves as both a solid and a fluid owing to the presence of tiny gas-filled capsules. An unusual relationship between pressure and volume enables this material to grasp fragile objects.
Genetic variants contribute to the risk of developing certain diseases, but identifying the genes and molecular pathways under their control has been difficult. Now, a systematic approach to pinpointing these factors yields insights into how a specific pathway in endothelial cells influences the risk of coronary artery disease.
The idea that three different free radicals could be used together to carry out specific steps in a chemical reaction has long been implausible. A ‘radical sorting’ strategy now achieves this feat to make organic molecules.
The interplay between cryo-electron microscopy and cryo-electron tomography to define complex macromolecular assemblies and visualize them in situ is explored.