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Contaminants such as CO₂ and H₂S present in natural gas and biogas streams must be removed before use; existing strategies to do so can be rather complex. Here, the authors use a fluorinated porous metal–organic framework to remove CO₂ and H₂S from CH₄-rich feeds in a single step, potentially simplifying the process.

Nickel-catalysed cross-coupling reactions generally use Ni(II) or Ni(0) precatalysts. Here the authors report thermally stable dinuclear Ni(I) complexes with commercial isocyanide ligands for the efficient catalysis in Kumada, Suzuki–Miyaura and Buchwald–Hartwig cross-coupling reactions.

The electronic behaviour of complex oxides such as LaNiO₃ depends on many intrinsic and extrinsic factors, making it challenging to identify microscopic mechanisms. Here the authors demonstrate the influence of oxygen vacancies on the thickness-dependent metal-insulator transition of LaNiO₃ films.

Understanding collective behaviour is an important aspect of managing the pandemic response. Here the authors show in a large global study that participants that reported identifying more strongly with their nation reported greater engagement in public health behaviours and support for public health policies in the context of the pandemic.

An outstanding question about the iron-based superconductors has been whether or not their magnetic characteristics are dominated by itinerant or localized magnetic moments. Absolute measurements and calculations of the magnetic response of undoped and Ni-doped BaFe₂As₂ indicate the latter.

Intramolecular proton relays are proposed to enhance oxygen evolution for heterogeneous (hydro)oxide electrocatalysts, but molecular-level evidence remains limited. Now it has been shown, using an aza-fused microporous polymer with Ni–Fe sites, that adjacent Ni³⁺–OH sites relay protons from Fe⁴⁺=O, accelerating the water nucleophilic attack pathway and achieving high turnover frequencies with pH-tunable kinetics.

Water interactions with 2D materials shape sensing and fluid control. Here, the authors show that water diffuses on hexagonal boron nitride with distinct rotational dynamics and lower friction than on graphene, revealing substrate effects on interfacial water.

Li and colleagues describe a monocyte-specific transcriptional state along with a persistent elevation of inflammatory markers specifically found in individuals with long COVID who had mild-to-moderate disease during acute SARS-CoV-2 infection.

The perceived toxicity of organometallic reagents has limited their use in living systems. Now it has been shown that balancing flexible chelation with biocompatible ligands without precluding chemical reactivity enables organonickel-mediated S-arylation inside cells. This reaction enables deep chemical surveys of reactive proteins and covalent tracking of intracellular viral and bacterial pathogens.

Lithium-ion battery cathode lifetime is limited by large expansion and contraction during cycling. This study uses electrochemical activation to suppress collapse in LiNi_0.9Mn_0.1O₂ cathodes, achieving improved capacity and cycle life.

Better understanding the synergy between radiation and corrosion is necessary to deploy advanced nuclear reactors. Here, the authors contradict the misconception that radiation always results in deleterious effects and show that proton irradiation slows the corrosion of Ni-Cr alloys in 650 °C molten salt.

Reduced nickel-rich metal and oxidized nickel carbonate inclusions within diamonds provide evidence of metasomatic redox reactions and support the role of carbonatitic melts in oxidizing small volumes of the deep upper mantle and transition zone.

Exsolution enables the formation of active catalytic nanoparticles, but their thermal stability remains limited. Here, the authors use secondary-electron imaging at atomic resolution to directly visualize the coarsening of exsolved nanoparticles.

Wafer bonding has allowed the synthesis of twisted interfaces which support polar discontinuities in ferroelectric lithium niobate. Two-dimensional sheet conductivity arises but is suppressed when twist angles lead to interfacial lattice aperiodicity.

A dynamic interconversion of three nickel states in lithium nickel oxide is demonstrated using evidence from x-ray spectroscopic data and first-principles calculations, which explains many physical properties of this and similar materials.

This study correlates the structure and the CO₂ photohydrogenation performance of a series of isostructural Ni-based MOFs. Comparative characterization reveals the occurrence of an in situ restructuring, yielding different surface active sites.

Commercially viable catalytic CO₂ electroreduction to CO would enable many green technologies, yet it is impeded by the initial hydrogenation step of CO₂. Here, the authors report Ni-Cd dual atom catalysts with complementary properties of favorable adsorption of CO₂ and H to overcome this barrier.

Large-effect variants in autism remain elusive. Here, the authors use long-read sequencing to assemble phased genomes for 189 individuals, identifying pathogenic variants in TBL1XR1, MECP2, and SYNGAP1, plus nine candidate structural variants missed by short-read methods.

Viral ribonucleoprotein–viral protein networks form pre-replication centres that nucleate viral factories and drive respiratory syncytial virus replication.

Mechanistic knowledge of photocatalytic nickel reactions is lacking, particularly with regards to the identities and oxidation states of key intermediates. Here the authors report a class of tridentate ligands that enables in-depth study of a representative cross-coupling reaction, wherein evidence for multiple intermediates in a Ni(I/III) cycle is presented.

Engineered mucus-tethering bispecific nanobodies neutralize and entrap viruses to enhance mucosal immunity, preventing influenza infection and limiting SARS-CoV-2 transmission.

Aspergillomarasmine A (AMA) chelates metal ions such as Zn²⁺ and Ni²⁺, which are essential for the activity of enzymes that are important for virulence of several pathogens. Here, Sychantha et al. show that AMA inhibits bacterial Ni²⁺ uptake and Ni-dependent enzymes, and reduces bacterial virulence in an animal infection model.

GRX-810, an oxide dispersion strengthened alloy, shows excellent structural performance above 1100°C and stability up to 1300 °C. Grain-size effects, additive manufacturing–induced anisotropy, and fine trigonal Y₂O₃ particles enhance creep resistance.

The mechanisms underlying increased cardiometabolic risk from cancer treatment in childhood cancer survivors remain to be explored. Here, epigenome-wide analysis in childhood cancer survivors identified DNA methylation sites that mediate treatment-related cardiometabolic risks and are associated with inflammatory and metabolic pathways.

Metal–sulfur motifs are commonly found in enzymatic active sites and heterogeneous catalysis, but they remain underexplored in porous solids. Now, sulfur-based ligands have been incorporated into metal–organic frameworks through post-synthetic modifications. The resulting sulfide MOFs exhibit enhanced catalytic performance in the selective hydrogenation of nitroarenes compared with their parent MOFs containing terminal or bridging chloride and hydroxyl groups.

Lithium-rich nickel manganese cobalt oxide cathodes are widely explored due to their high capacities related to their anionic redox chemistry. A compositional optimization pathway for these materials investigating the variation of using cobalt and nickel now provides valuable guidelines for future high-capacity cathode design.

A versatile hydrothermal approach in an operando acidic environment created ferromagnetic single-atom spin catalysts (SASCs). Ni-based SASC exhibits a giant magnetic field enhancement of OER activity, boosting both water and saline water electrolysis.

Since superconductivity has been observed in bilayer La3Ni2O7 and trilayer La4Ni3O10 under high pressure, there have been efforts to expand the high-Tc nickelate family by synthesising new materials. In this study, the authors stabilised a Sr alternative and co-substituted in YySr3-yNi2-xAlxO7-δ. They found that different dopants significantly affect the physical properties- substituting Sr at Y site greatly enhances conductivity, while substituting Al at the Ni site reduces it.

Given the urgent need to develop new methods of CO₂/CO utilization, understanding the mechanism of acetyl-CoA synthase is crucial. Herein, the authors report a functional model system for this enzyme that supports several proposed organometallic intermediates and promotes all key reaction steps during catalysis: methylation, carbonylation, and thiolysis.

Biological uptake in the surface and release in the deep ocean contribute to oceanic nickel distribution, including the residual surface Ni pool, according to culture experiments, field data and global biogeochemical circulation modelling

Predictive electrocatalyst design is challenged by uncontrollable precatalyst reconstruction during operation. Here, informed by operando spectroscopies, activation protocols are developed to stabilize surfaces and improve catalyst reliability.

Improving both strength and ductility simultaneously in structural metals and alloys remains a challenge. Here, the authors design a heterogeneous structure in a Co-Cr-Ni alloy that results in ultrahigh strength and significant uniform elongation.

Nickel hydroxide is a promising material for capacitor electrodes and most research has focussed on the crystalline form. Here, the authors report that amorphous nickel hydroxide nanospheres, which may be synthesized relatively easily, also exhibit excellent integrated electrochemical performance.

The authors theoretically study the pressure dependence of the phase diagram of the nickelate PrNiO₂ with and without Sr doping. At high pressure, they find that the superconducting dome is significantly enhanced in both T_c and doping-range of superconductivity compared with ambient pressure, with a maximal T_c of 100 K around 100 GPa in absence of external doping.

Ammonia is synthesized using a dual-site approach, whereby nitrogen vacancies on LaN activate N₂, which then reacts with hydrogen atoms produced over the Ni metal to give ammonia.

The characterization of nickel (Ni)‐centred paramagnetic states relevant to [NiFe] hydrogenases is rare in mononuclear Ni hydrogen evolution catalysts. Here, the authors report the spectroscopic and synthetic characterization of Ni^I and Ni^III states in an organometallic Ni hydrogen evolution catalyst.

The activity of the membrane-bound enzyme pMMO depends on copper but the location of the copper centers is still under debate. Here, the authors reconstitute pMMO in nanodiscs and use native top-down MS to localize its copper centers, providing insights into which sites are essential for activity.

Activity-based protein profiling identifies covalent small molecules that potentiate the activity of the METTL5:TRMT112 complex through binding to a complexoform-restricted allosteric pocket absent in other TRMT112:methyltransferase complexes

Considerable attention has been drawn to tune the geometric and electronic structure of interfacial catalysts via modulating strong metal-support interactions (SMSI). Here the authors report the remarkable catalytic performance of CO hydrogenation over an interfacial TiO_2−x/Ni catalyst by means of SMSI.

He, Ongwae, and colleagues show that flow cytometry provides a high-throughput, solution-based platform for analysing the behavior of biomolecular condensates at the single-droplet level. Using this approach, the authors quantify condensate formation and track molecular exchange in real-time, and they reveal that condensate aging reduces molecular dynamisms.

A combination of biochemical, cell biological and electron microscopy analyses reveal a ‘nucleotide code’ that coordinates Lis1–dynein binding stoichiometry, which in turn governs Lis1’s ability to relieve dynein autoinhibition.

MsbA mediates the transport of lipopolysaccharide across the inner membrane. Here, the authors show specific MsbA-lipid interactions can tune the selectivity for binding ATP over ADP and present five structures of MsbA with one bound to lipid.

Skyrmions—vortex-like spin textures—are conventionally only seen in materials that exhibit the right magnetic properties. Li et al.now create so-called artificial skyrmions using a cobalt disk embedded in a magnetized nickel film, thus presenting a platform for controlling skyrmions.