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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.
The complexity of fitting brakes to all four wheels of a car and the simplicity of John Maynard Smith’s ecological models, in the weekly dip into Nature’s archive.
Clever manipulation of electrons has enabled scientists to change a key property of light emitted by a device using electrically controlled magnetization. The method could lead to stable and energy-efficient information transfer.
Reconstructions of the strength of a powerful current that circles the South Pole reveal that it has undergone no long-term change in the past five million years, even though Earth cooled substantially over that time.
Depleting an expanding pool of aberrant stem cells in aged mice using antibody therapy has been shown to rebalance blood cell production, diminish age-associated inflammation and strengthen acquired immune responses.
A smart adhesive patch that wicks sweat away from electronics embedded in its centre offers comfortable and reliable sensing of the wearer’s biometrics or environment without the risk of perspiration damaging the devices.
Humans and other social animals are highly adept at learning by observing how others interact with the environment, especially when identifying potential sources of danger. In mice, a specific brain region acts as an information-processing hub that distinguishes between observed and directly experienced fear, and signals different behavioural responses accordingly.
Humans’ effect on the polar ice sheets is slowing Earth’s rotation, posing challenges for its alignment with the official time standard. Two researchers discuss the science behind the slowdown and the impact it has on timekeeping.
A population of neurons that engages mechanisms of the innate immune system during memory formation has been uncovered in mice. Surprisingly, inflammatory signalling might pave the way for long-term memory.
What effects will climate change have on insect communities? Analyses of data collected over decades robustly document consequences specific to bee populations, and this evidence might aid future conservation efforts.
Organelles called lysosomes fuse with cargo-carrying vesicles and degrade the cargo molecules. How lysosomes maintain their size despite constant vesicle fusion was unclear, but now factors that aid organelle fission have been found.
