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The authors introduce a new perspective to study the spatiotemporal behavior of the magnitude–frequency distribution: spatially isolating seismogenic zones to provide an appropriate scale to resolve the b-value. Among those zones, the b-value behaved remarkably throughout the 2016 central Italy sequence.
Cytoskeletal activity generates mechanical forces known to agitate and displace membrane-bound organelles in the cytoplasm. In oocytes, Al Jord et al. discover that these cytoplasmic forces functionally remodel nuclear RNA-processing condensates across scales for developmental success.
Microchannels are the essential elements for the design of artificial devices but the fabrication of three dimensional (3D) microchannels with complex geometry and a high aspect ratio remains challenging. Here, the authors demonstrate a simple and solvent-free fabrication method capable of producing monolithic microchannels with complex 3D structures, long length, and small diameter.
The oxidative dehydrogenation of propane using CO2 is a promising technique for high-yield propylene production and CO2 utilization. Here the authors report a unique catalyst material and design concept based on high-entropy intermetallics for this challenging chemistry.
Atlantic hurricane numbers noticeably decreased in the 1970s and 1980s partly due to the cooling effect of eolian dust lofted from the Sahara, in response to local climate effects of aerosol pollutants emitted from Europe and North America.
Azahetereocycles represent promising scaffolds in drug discovery. Here, the authors report a Pd-catalyzed migratory cycloannulation strategy for efficient construction of a wide range of azahetereocycles from unactivated aliphatic alkenes.
How sensory systems are organized during development remains unclear. Here, the authors used electron microscopy to examine the gravity-sensing system in zebrafish, finding that directional tuning and developmental age are organizing principles of the transformation from vestibular sensation to motor control.
The potential of 2D materials for biosensing applications is often limited by large device-to-device variation. Here, the authors report a calibration method and a machine learning approach leveraging the redundancy of a sensing platform based on 256 integrated graphene transistors to enhance the system accuracy in real-time ion classification.
The mechanism of lithium dendrites penetrating solid electrolytes remains elusive. Herein, the authors reveal the Li deposition dynamics and the associated failure mechanism of solid electrolyte by visualizing the Li|LLZO interface evolution via in situ transmission electron microscopy.
Protection of replication forks against nucleolytic degradation is crucial for genome stability. Here, Dhoonmoon et al identify PARP14 and the KU complex as essential regulators of fork degradation by MRE11 and EXO1 nucleases in BRCA-deficient cells.
Arabidopsis NDX was previously reported as a regulator of euchromatic gene expression. Here the authors show that NDX functions at pericentromeric regions and regulates heterochromatin homeostasis by controlling siRNA production and non-CG methylation.
Tau and the Retromer complex are both linked to Parkinson’s and Alzheimer’s disease. Using Drosophila neurodegeneration models, this study finds that low retromer activity induces a specific increase of a highly toxic truncated form of human Tau.
H-capped polyynes are the simplest system to observe finite-length effects in carbyne. Here, the authors exploit synchrotron-based UV resonance Raman spectroscopy to explain a peculiar intensity behavior of multiple phonons scattering and show a size-dependent electron-phonon coupling.
The investigation of thermal conductivity is crucial to the success of many modern technologies. Here the authors have reported an unusual glass-like thermal conductivity in a single crystal of layered halide perovskite, Cs3Bi2I6Cl3.
Although antiretroviral therapy (ART) is able to successfully suppress plasma viremia in most people living with HIV, ART withdrawal typically results in viral replication and rebound. Authors investigate the effect, in terms of delay in viral replication, and immune cell dynamics in lymphoid tissue, of fingolimod (FTY720) administration at the time of ART initiation in SIV-infected rhesus macaques.
Post-operative adhesions are a major complication from surgical intervention. Here, the authors develop a technique to grow a super-lubricating layer over electrospun nanofibers which was demonstrated to prevent postoperative adhesions with better outcomes than commercial products when compared in two in vivo models.
Subsea permafrost underneath the Arctic Ocean is one of the least understood compartments of the global carbon cycle. Here, Wild et al. shed light on its carbon sources, degradation history and potential greenhouse gas release after thaw.
ARID1B is a chromatin remodeler associated with autism spectrum disorders. Here the authors demonstrate that early postnatal serotonin modulation prevents adult stage deficits in Arid1b-deficient mice through synaptic transcriptional reprogramming.
Production of tools for polymer replication in the field of optical applications is still time-consuming and cost-intensive. Here the authors develop an efficient metal casting process, and demonstrate manufacturing of structures of complex shapes with a surface roughness of few nanometres.
China’s clean air action stimulated a net accumulative reduction of 2.43 Gt CO2 emission from 2013-2020. Phase-out and upgrades of outdated, polluting, and inefficient combustion facilities have promoted the transition of the country’s energy system.