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Superconductivity was recently reported experimentally in nitrogen-doped lutetium hydride with Tc = 294 K at 1 GPa. Here, via theoretical calculations taking into account temperature and quantum anharmonic lattice effects, the authors find that room-temperature superconductivity in the suggested parent phase of LuH3 cannot be explained by a conventional electron-phonon mediated pairing mechanism.
Yin et al. reveal a protonation pathway in CO2 photoreduction on TiO2, challenging electron activation theories and diversifying photocatalyst design, distinct from Fischer-Tropsch and Sabatier processes.
As electric vehicle batteries adopt cobalt-free layered cathodes to tackle supply chain issues, it greatly impacts battery lifespan. Here, the authors develop a lithium stoichiometry control method to synthesize cobalt-free composite-structured cathodes with high cycling stability, enabling long-life sustainable batteries.
The protein DJ1, encoded by the PARK7 gene, is causally linked to development of early-onset PD. Here the authors observed that the loss of DJ1 function in midbrain organoids led to astrocyte dysfunction, impairing protein clearance, accumulation of α-synuclein.
Authors of scientific papers are generally discouraged from citing works that had no direct influence on their research. This paper uses simulations to show that such rhetorical citations may have underappreciated effects on the scientific community, such as deconcentrating attention away from already highly-cited papers.
Cellular heterogeneity in cell populations of isogenic origin is driven by diverse factors such as nutrient availability and interactions with neighbouring cells. Here, Hu et al. study plasmid retention dynamics in yeast populations, and show that the exchange of complementary metabolites between plasmid-carrying prototrophs and plasmid-free auxotrophs allows the latter to proliferate in selective environments.
Given that the human body is composed of many microbial niches, and there have been few reports on the biogeography of the microbiome, the authors analyse the intra-individual inter-organ and intra-organ microbiome of seven surface organs of deceased individuals.
Stress-related anxiety can gradually become extinct but the underlying mechanisms are unclear. Here, the authors show that microglial engulfment of dendritic spines promotes the extinction of acute stress-induced anxiety-like behaviors in mice.
Cryo-EM is the go-to method for visualizing large, flexible biomolecules. Here, authors introduce a new Gaussian mixture modelling method for cryo-EM modelling tasks, including refinement, composite map generation and ensemble representation.
Complement factor H-related 4 protein (FHR-4) has been implicated in the pathophysiology of age-related macular degeneration (AMD). Here, in contrast, the authors find that levels of FHR-4 in plasma or ocular tissue do not appear to influence susceptibility to AMD or its course of progression, questioning whether modulation of FHR-4 is likely to be an effective therapeutic strategy.
The type VI secretion system (T6SS) of Gram-negative bacteria is typically anchored to the cell envelope through a membrane complex (MC), but Bacteroidota appear to lack genes encoding canonical MC components. Here, Bongiovanni et al. identify the Bacteroidota MC and study its biogenesis and connections with the conserved T6SS components.
The authors propose and demonstrate a novel integrated spectrometer that measures any arbitrary spectrum with two-dimensional Fourier transform, breaking the scalability limit in chip-scale spectrometry.
The local coordination environment determines the properties of single-atom catalysts. Here, authors develop a thermal replacement method to fine tune the coordination structure of cobalt-based single-atom catalysts and study their activity toward carbon dioxide electroreduction.
Electro-active ionic soft actuators generally present slow responses and poor durability when are applied as artificial muscles. Here, the authors describe a polyelectrolyte membrane based on the assembly of Nafion molecules into micelles with efficient ionic conducting pathways for electro-ionic soft actuators and soft robotics with fast responses and long durability.
SrCu2(BO3)2 realizes the Shastry-Sutherland model (SSM), a 2D frustrated dimer model. Here, via high-magnetic-field inelastic neutron scattering measurements and matrix-product-state calculations, Fogh et al. find evidence for Bose-Einstein condensation of S = 2 two-triplon bound states, which is a spin-nematic phase.
The Ru single atom-nanocluster alkaline hydrogen evolution catalyst suffers from that hydrogen forms on its less active single atom side. Here, the authors report that oxophilic Ce single atom can reverse the hydrogen formation site to more active Ru nanocluster, enabling enhanced hydrogen evolution capabilities.
It is still unclear whether and how quantum computing might prove useful in solving known large-scale classical machine learning problems. Here, the authors show that variants of known quantum algorithms for solving differential equations can provide an advantage in solving some instances of stochastic gradient descent dynamics.
Charge accumulation in organic photocatalysts leads to an overlooked macroscopic particle migration, crucial for heterogeneous photocatalytic kinetics. Authors demonstrate self-driven electrophoresis of organic nanocrystals via rationally designed photogenerated outer electric field (OEF).
Platinum-based intermetallic alloys are promising candidates as low-platinum oxygen reduction reaction catalysts for proton exchange membrane fuel cells. Here, the authors develop small sized and highly ordered Pt2CoCu and Pt2CoNi catalysts for fuel cells by machine-learning accelerated computational screening.
The authors report a synthetic strategy to create core@shell catalysts using strong metal-support interactions and low-Tammann-temperature compounds. The resulting materials are highly stable and may be useful in industrial applications.