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Precision control of stereochemistry in radical reactions remains a formidable challenge. Here the authors demonstrate an electricity driven asymmetric Lewis acid catalysis to facilitate asymmetric dienylation and allylation reactions, resulting in the formation of all-carbon quaternary stereocenters.
Understanding the physics of charge density waves in emerging superconductors may reveal insights into unconventional superconductivity mechanisms. Here, the authors study the temperature and magnetic-field dependence of charge-density-wave suppression in the unconventional superconductor UTe2.
Pre-satellite era observations of Antarctic glaciers are rare. A unique record of aerial expedition images of East Antarctic outlet glaciers since the 1930s reveal long-term stability and moderate thickening.
This study identifies a decadal link between sea surface temperatures off Western Australia and the western-central tropical Pacific that has emerged since 1985. Driven by external forcings and the rapid changes in the Indo-Pacific warm pool, it may impact future climate.
Multi-scale learning still struggles with imbalanced information and greedy characteristics. Here the authors present MUSE, an Expectation-Maximization-based multi-scale framework, improving predictions across molecular interactions and atomic interfaces.
There are now several van der Waals magnets that have been shown to host skyrmions, however, these are typically hampered by a low Curie temperature, restricting the temperature at which the skyrmions can exist. Here, Zhang, Jiang, Jiang and coauthors find a skyrmion lattice in the van der Waals magnet Fe3 − xGaTe2 above room temperature and demonstrate the critical role of symmetry breaking in crystal lattice in the origin of these skyrmions.
Here, Cottam et al. identify an L-arabinose transporter in Enterohaemorrhagic Escherichia coli and show that metabolism of this dietary sugar upregulates the type 3 secretion system, thus enhancing its fitness within the host gut.
The parabrachial nucleus contains separate populations of neurons that respond to elevated CO2 with EEG arousal and increased breathing. Here we report that the parabrachial respiratory neurons express FoxP2 and are required for respiratory responses to elevated CO2.
How to facilitate the transcription of plant-specific RNA Pol V is largely unknown. Liu et al. find that a conserved RNA Pol II elongator, SPT6L, mediates DNA methylation by its association with Pol V and promoting the production of scaffold RNA.
The authors propose a hydrogen bond modification method to achieve introduction of polarization and enhancement of phase transition temperature in molecular ferroelectrics, exploring the piezoelectric prototype devices of the molecular ferroelectric.
Mimicking high-level abstraction of the brain to achieve energy advantages is a fundamental issue in neuromorphic computing. Here, the authors fabricate an asynchronous chip and demonstrate a high-accuracy neuromorphic system with power consumption of 0.7mW.
Liu et al. developed AI-driven, wearable olfactory interfaces with odor generators for realizing latency-free mixed-reality and fast olfaction recovery. This technology enables personalized olfactory feedback and enhanced virtual environments for various applications including education, and clinical treatment.
The electrostatic control of magnetic properties is central for future development of spintronic devices. Here, the authors show that the magnetic proximity effect induces an exchange shift in the band structure of graphene interfaced with CrSBr.
The application of Li-metal batteries (LMBs) is impeded by unstable solid electrolyte interphase (SEI) and uncontrollable Li dendrites growth. Here, the authors present an YF3/PMMA composite layer to achieve high-performance LMBs via the synergetic regulation of SEI mechanics and Li crystallography.
While our brain is primarily composed of lipids, their functions have largely remained unexplored. Here, authors show that specific lipids can be linked to the structural organization and functional hierarchy of the human and macaque brain.
Reconstructing the structure of a complex networked system and predicting its time evolution to understand its functions are usually two subjects that are treated separately. The authors propose a theoretical framework based on information theory, that uncovers the relation between reconstructability and predictability in networked systems.
A consistency issue with the production of porous polymer-based radiative coatings can be a significant drop in the cooling performance when dried under humid conditions. This issue is efficiently resolved by adding polymer reinforcement.
Photoluminescence from plasmonic nanostructures exhibits diverse wavelength dependent nonlinear behaviors with debated origins. Here, authors use plasmonic gap mode resonators with precise nanoscale confinement to show this nonlinear emission can become dominated by non-Fermi carrier contributions.
Clean air actions affect air quality greatly. Here, the authors report widespread decreases in organic aerosol (OA) in China from 2013 to 2020 with primary OA decreasing more than secondary OA. However, further reductions are challenging.
Assessing failure pressure is critical in determining pipeline integrity. In this study, based on the unified yield criterion, authors propose a limit state equation for steel pipes under various loads which can be converted into a series of failure pressure evaluation models for pipeline with different yield criteria.