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The type I interferon response is suppressed during early development, making embryos susceptible to pathogens. Here, the authors show that this suppression contributes to normal development by preventing an aberrant immune response against endogenous double stranded RNAs.

iGluSnFR4f and iGluSnFR4s are the latest generation of genetically encoded glutamate sensors. They are advantageous for detecting rapid dynamics and large population activity, respectively, as demonstrated in a variety of applications in the mouse brain.

Candida albicans must adapt to hypoxia. Here, the authors discover the sterol C4-methyl oxidase (SMO) Erg251 is essential for extreme hypoxic growth, as well as virulence and colonization, and that SMO inhibitors have therapeutic potential.

Variants in the PSMC5 gene impair proteasome function and cellular homeostasis, altering brain development in children. This study reveals underlying molecular mechanisms contributing to this neurodevelopmental phenotype, and suggests therapeutic leads for neurodevelopmental proteasomopathies.

The study provides observational evidence of energy transfer in space plasmas, showing hydrogen and helium ions interact differently with ion-scale waves. Despite helium’s low abundance, they show their interaction can excite electrostatic waves, facilitating energy transfer across scales and challenging traditional models.

Inherited mitochondrial DNA mutations can result in diverse clinical phenotypes. Here, the authors characterise a heteroplasmic tRNA^Ala mutation (m.5019A>G) in mice and demonstrate that macrophages carrying this mutation display altered function and metabolism in vitro, along with increased type I IFN release following LPS challenge in vivo.

Microglia can alter their properties to adopt a wide spectrum of cellular phenotypes. Here, the authors show that remodeling of microglial mitochondria accompanies microglial responses to challenges and aging, and provide evidence that these organelles play a role in regulating basal microglial morphology, gene expression, and inflammatory profile.

The ambiphilic reactivity of alkyl sulfonyl fluorides in stereoselective cyclopropanation under Pd(II) catalysis is reported. The method provides convenient access to cis-disubstituted cyclopropanes that are otherwise challenging to access. A representative carboxylic acid cyclopropane building block is scaled up to 100 mmol, demonstrating the practicality of this transformation.

Dietary restriction promotes the expansion of effector T cells via ketone bodies, which enhances anti-tumour immunity and synergizes with immunotherapy in mice.

The HTLV-1 capsid (CA) domain of Gag was resolved to 3.4 Å resolution and reveals insights into immature lattice stabilization, the varying lattice curvatures and distances from the membrane, and the dispensable nature of inositol hexakisphosphate (IP6) for immature particle assembly.

The therapeutic relevance of telomere maintenance mechanisms in cancer, remains to be explored. Here, the authors integrate multi-omic data and functional readouts, generate a resource of telomere biology metrics and identify potential molecular vulnerabilities.

IL-22 is considered indispensable for host defence against Citrobacter rodentium. This study reveals that dehydration is the proximate cause of mice mortality and maintaining systemic hydration allows recovery through IL-22-independent pathways.

Nolan et al use Arabidopsis twisted mutants to show that frustrated distortion of the epidermis is the primary organ-level determinant of multilevel asymmetries that underlie skewed root growth.

The early genetic evolution of uveal melanoma (UM) remains poorly understood. Here, the authors perform genetic profiling of 1140 primary UMs, including 131 small early-stage tumours, finding that most genetic driver aberrations have occurred by the time small tumours are biopsied; in addition, the15-gene expression profile discriminant score can predict the transition from low- to high-risk tumours.

Here the authors report NiGa₂O_4–x(OH)_y for light-driven CO₂ hydrogenation to methanol. The surface Lewis acid–base pairs and -OH groups act as conduits for H^- /H⁺ transport to active sites, enhancing photocatalytic methanol production.

A simple transport model infers a material’s electronic dimensionality from standard transport measurements, revealing temperature-, doping- and alloying-driven shifts between low-dimensional and 3D transport in SrTiO₃, Bi₂O₂Se and Pb_1-xSn_xTe.

Wastewater-based surveillance tends to focus on specific pathogens. Here, the authors mapped the wastewater virome from 62 cities worldwide to identify over 2,500 viruses, revealing city-specific virome fingerprints and showing that wastewater metagenomics enables early detection of emerging viruses.

Early symptoms of bloodborne infections often overlap, complicating diagnosis and surveillance. Here, authors demonstrate multiplexed CRISPR assays (CARMEN, 23 targets), which match or exceed RT-qPCR diagnostic performance on contrived and clinical samples, enabling fast, high-throughput testing.

This study introduces an ion mobility–mass spectrometry method for de novo glycan structure identification, using a self-expanding database that reduces reliance on synthetic reference standards.

A forward genetic screen in Caenorhabditis elegans reveals that decreased levels of the ferredoxin FDX2 suppress the loss of frataxin in worms and in mice by relief of FDX2 inhibition of frataxin-stimulated NFS1 activity.

Magneto-optical traps (MOTs) are a workhorse for laser cooling of atoms and were recently extended to molecules. Yet, new mechanisms for molecular trapping and cooling are still an open area of exploration. Here, the authors show a blue-detuned MOT based on a conveyor-belt effect for CaF molecules, yielding higher number densities, comparable with some atomic MOTs.

Light-induced phonon dynamics in 2D (BA)₂PbI₄ films reveal transient lattice shifts to a tetragonal phase, driven by Higgs-mode vibrations. Below-bandgap excitation causes larger spectral shifts, showing strong optomechanical coupling in perovskites.

Vinyl acetate is an important polymer building block, but the mechanisms governing its catalytic production are not well understood. This study shows that dynamic palladium-acetate clusters determine catalyst efficiency and selectivity in vinyl acetate synthesis.

Paul and colleagues report the development and characterization of an antibody–drug conjugate targeting TRBC2 for the treatment of T cell malignancies.

The authors theoretically delineate the maximal increases in tree growth that can be expected from increases in plant intrinsic water-use efficiency, which increases with rising CO₂. They highlight environmental and physiological limits on growth in the context of experimental data.

In place of ‘season’ as the typical sun exposure proxy, this study uses ambient UVB linked to participants’ addresses. The results deepen our understanding of the link between vitamin D and health and highlight the utility of environmental data.

The authors present MorphoGenie, an unsupervised model that profiles cell shapes to predict cellular heterogeneity without manual labels. It provides a scalable, interpretable, and generalizable approach for data-driven exploration of cellular heterogeneity across diverse imaging modalities.

Reported detections of gases in exoplanet atmospheres, including claims of biosignatures on K2-18 b, disappear when broader models are tested, revealing that such detections often reflect modelling limits rather than real signals.

By exploiting an optical thermodynamic framework, researchers demonstrate universal routing of light. Specifically, light launched into any input port of a nonlinear array is universally channelled into a tightly localized ground state. The principles of optical thermodynamics demonstrated may enable new optical functionalities.

CD27 is a key T-cell costimulatory receptor, but efforts to target CD27 have been limited by the poor clinical efficacy of first-generation anti-CD27 antibodies. The authors here engineer higher-valency antibodies by more effectively engaging CD27 and selectively binding to FcγRIIB, which enhance anti-tumor activity.

Research in the tropics is unevenly distributed across regions and biomes. Here, the authors find that moist broadleaf forests account for 73% of all tropical citations but cover 29% of the land area, while drier, climate-vulnerable areas with fewer trees remain under-sampled and under-cited.

Thirty years of forest demographic data, combined with recent ecophysiological measurements, reveal that intense Amazon droughts sharply increase tree mortality once soil moisture falls below a threshold, and that these hot droughts will become more frequent and intense as Earth warms towards hypertropical conditions.

Dysfunctionality of T lymphocytes has been implicated in cancer and infection, however, the role of CD4 T cells remains understudied. The authors here generate a TCR transgenic mouse model for the study of dysfunctional CD4 T cells directed against a tumor-specific antigen, which can be reinvigorated by checkpoint blockade and vaccination.

DNA damage can arise from natural cellular processes, but how cells prevent resulting mutations is unclear. Here, the authors show that the enzyme Polκ protects mouse tissues from mutations caused by endogenous guanine lesions, revealing how DNA repair and damage tolerance pathways cooperate to maintain genome integrity.

Zierer et al. engineered cassava to express a modified potassium channel that enhances sugar flow, improving the yield and drought resilience. This strategy offers a route to increase cassava productivity in tropical regions.

Engineered Escherichia coli strains expressing a colibactin antitoxin, ClbS, on the surface prevent the genotoxic effects of colibactin released by genotoxin-producing bacteria in the mouse gut.

Reliably probing rejuvenation and memory effects in spin glasses by means of simulations is difficult. Now, a state-of-the-art numerical study shows that at least three different length scales play a crucial role in aging dynamics of spin glasses.

Here, the authors generated and analyzed run-on sequencing data to observe transcription in species across the tree of life to uncover the origins of the promoter-proximal pause.

The rigid-to-soft transformation and imperceptible, morphology-adaptable nature of a hydrogel–elastomer adhesive bilayer based on ionic–electronic conductive nanomembranes enable the real-time stable monitoring of electrophysiological signals in vivo.

Nuclear pore complexes control selective transport between the nucleus and cytoplasm. Here, the authors show how FG-Nups and transport receptors form a dynamic interface that enables selective and efficient transport.

Electrical tuning of the recombination zone in circularly polarized (CP) OLEDs enables switching the CP generation mechanism between normal and anomalous CP electroluminescence. This is exploited to electrically control the handedness of emitted CP light from the same device with the same enantiomer material.

Gas-phase actinium monofluoride (AcF) has been produced and spectroscopically studied at the CERN-ISOLDE radioactive ion beam facility; the results highlight the potential of ²²⁷AcF for exceptionally sensitive searches of CP violation.

Cardiac ryanodine receptors (RyR2) are critical for heart contraction. Here, the authors use 3D MINFLUX microscopy to image receptor subunits and RyR2 orientation with nanometre resolution, thereby providing a molecular view of the organisation and clustering of these cardiac muscle receptors.

FACED 2.0 builds on and expands the capabilities of the free-space angular-chirp-enhanced delay microscopy approach. Its high speed, large field of view and volumetric coverage enable two-photon voltage imaging of hundreds of neurons or calcium imaging of thousands of neurons in the mouse or zebrafish brain.