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Forest canopy openings may be caused by planned human intervention or by drivers such as fire, wind disturbance and pest outbreaks. Here, the authors present a high-resolution map and attribution analysis showing that planned and unplanned canopy openings often co-occur in European forests.
Classical photochemistry requires nanosecond excited-state lifetimes for diffusion-controlled reactions. Here the authors provide direct evidence for the elusive pre-association between radical ions and substrate molecules, enabling photoinduced electron transfer beyond the diffusion limit.
Krauhausen et al. developed a robotic system that learned how to avoid dangerous objects. This behavioural conditioning was demonstrated by forming multimodal associative connections of various sensors, using an integrated organic neuromorphic circuit.
Transplanted older livers are prone to injury through unclear mechanisms, precluding effective treatment development. Here, the authors show that decreased FTO expression in older livers inhibits Acsl4 and Tfrc mRNA stability in an m6A-dependent manner, increasing cell death in older donor livers.
Developing mild photocatalytic bromination strategies using sustainable bromo source has been attracting intense interests, but there is still much room for improvement. Here, the authors report heterogenous organophotocatalytic HBr oxidation coupled with oxygen reduction to furnish Br2 and H2O2 for effective bromination of arenes.
Smart grids are characterized by fast-acting, intelligent control while reconfiguration and load shedding are emergency control techniques needed during outages. Here, authors present a graph reinforcement learning approach to manage outage and notably improve resilience in distribution networks.
Transition metal perovskite oxide membranes are promising platforms for infrared polaritonics. Here, the authors experimentally demonstrate highly confined epsilon-near-zero modes and propagating surface phonon polaritons in high-quality SrTiO3 membranes with deep subwavelength thickness.
The reduction in geometrical fill factor in stretchable organic light-emitting diodes (OLEDs) limits their potential for applications. Here, authors report a 3D architecture adopting a hidden active area as both emitting area and interconnector, realizing OLEDs with high post-stretch fill factor.
Mycoviruses are obligate parasites of fungi. Here, Hai et al. show that mycoviruses can induce hypovirulence in the fungus Sclerotinia, and plants infected by Sclerotinia facilitate the transmission of these mycoviruses, thereby helping the plants defend against Sclerotinia.
Due to the abundance of pathogenic variants in Peripherin-2, causing peripherin-2-associated inherited retinal disorders, and the lack of any approved treatment, it is imperative to identify an effective therapeutic strategy. Here the authors show that reducing rhodopsin levels improves retinal function and structure and decreases inflammatory responses.
Intracellular potassium (K+) homeostasis is achieved by activity of both ion channels and transporters. Here, the authors report structures of E. coli glutathione (GSH)-gated K+ efflux transporter KefC with bound K+ and conclude that the ion-binding site is adapted for binding a dehydrated ion.
Recognition on sources of hexachlorobutadiene is needed for their global control. This study clarifies hexachlorobutadiene emission factors from 121 industrial plants assigned to 12 industries and establishes their global emission inventory.
Network memory impacts dynamical processes emerging in real-world social systems, however little is known about memory of temporal networks beyond pairwise interactions. The authors develop a framework to characterize the temporal organization of higher-order networks and propose a model of temporal hypergraphs with higher-order memory to reproduce the patterns emerging in real-world complex systems.
Via specific acid etching, the authors report the production of spatially differentiated Bi4Ti3O12 nanosheets to accelerate photogenerated charge transfer and separation for effective water splitting in a one-step excitation system with a solar-to-hydrogen efficiency of 0.1%.
Liquid-solid contact electrification is widely used in various applications, yet its mechanism remains not well understood. Jin et al. show that the effect arises from electron transfer due to the work function difference between liquids and superhydrophobic surfaces and rule out the possibility of ion transfer.
Halogen bond is desired for tuning electronic properties by external stimuli. Here, authors reveal a sequential activation of spin crossover and dimer softening, unveiling a key transient state in a prototypical halogen-bonded material.
Microswimmers are promising candidates for various biomedical applications. Inspired by spermatozoa, Tan et al. report a one-step strategy to fabricate biodegradable sperm-like magnetic microswimmers with both propelling and cargo delivery functions in a vortex turbulence assisted microfluidic chip.
Ultrasound neuromodulation overcomes limitations of electrode-based stimulation through improved
targeting and long-term stability for treating neurological disorders. Here, authors present a hair-thin, implantable piezoelectric stimulator that selectively modulates neurons in the deep brain.