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Germano-silicate used as a building material for integrated photonics circuits substantially reduces optical losses, approaching levels comparable to those in optical fibres.

Energy gaps can be induced by spatial modulation of the electronic potential. Here, the authors demonstrate a large and robust energy gap in a free-standing carbon nanotube utilizing a 15-gate keyboard that spatially modulates the local potential.

Laser flash melting experiments have rendered cryo-EM fast enough to observe the microsecond motions of proteins. The authors extend the observation window of this emerging technique tenfold, to hundreds of microseconds, by sealing cryo-EM samples in ultrathin liquid cells.

Aerial surveys over the Permian Basin found 500+ major methane leaks, many recurring. A few sites leaked continuously and offer quick mitigation wins. These super-emitters may produce ~50% of regional emissions, underscoring the need for frequent monitoring.

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.

Atomic force microscopy is used to investigate the adsorption and organization of ions on charged surfaces. Trivalent ions adopt complex networks, clusters and layers associated with overcharging, whereas divalent ions follow classical predictions.

Transition of superfluid to insulator is observed in the layer-imbalanced regime of bilayer magnetoexcitons.

How white matter develops along the length of major tracts in humans remains unknown. Here, the authors identify fundamental patterns of human white matter development along distinct axes that reflect brain organization.

The study reveals that energy absorbed by rocks around a fault can slow or halt earthquake ruptures near the surface, shedding light on why shallow earthquakes release less energy.

Kinematic measurements of the Perseus galaxy cluster reveal two drivers of gas motions: a small-scale driver in the inner core associated with black-hole feedback and a large-scale driver in the outer core powered by mergers.

Aadvanced computer simulations of three-dimensional turbulence reveal that the ab initio generation of large-scale magnetic fields is driven by shear-flow-induced jets; an analytical model is derived which reproduces the essential features of the flow- and field-generation mechanisms.

The study introduces radio interferometric multiplexed spectroscopy (RIMS), a method designed to efficiently monitor the radio emissions of massive samples of stars. Applying it to LOFAR data, the authors identify stellar bursts, offering clues to possible star–planet magnetic interactions.

pH is a critical regulator of (bio)chemical processes and therefore tightly regulated in nature. Now, proteins have been shown to possess the functionality to drive pH gradients without requiring energy input or membrane enclosure but through condensation. Protein condensates can drive unique pH gradients that modulate biochemical activity in both living and artificial systems.

Long-read sequencing enables high-quality genome assemblies, but challenges remain. Here, the authors introduce Cornetto, a method that improves assembly quality, enables genome sequencing from saliva, and accurately resolves medically-relevant repetitive genes.

Experimental realizations of discrete time crystals have mainly involved 1D models with Ising-like couplings. Here, the authors realize a 2D discrete time crystal with anisotropic Heisenberg coupling on a quantum simulator based on superconducting qubits, uncovering a rich phase diagram.

Native top-down proteomics reveals epidermal growth factor receptor–estrogen receptor-alpha (EGFR–ER) signaling crosstalk in breast cancer cells and dissociation of nuclear transport factor 2 (NUTF2) dimers to modulate ER signaling and cell growth.

The acetyl-CoA pathway is the most ancient CO₂ fixation pathway in nature. Here, the authors show that metals selectively reduce CO₂ to the intermediates and end-products of the acetyl-CoA pathway, which is consistent with a prebiotic origin of this pathway.

Five-year survival data and biomarker analysis of the PRADO extension cohort of the phase 2 OpACIN-neo trial, in which patients with high-risk stage III melanoma received neoadjuvant ipilimumab and nivolumab and underwent pathologic response-directed surgery and adjuvant therapy, show 71% event-free survival and 88% overall survival, with tumor mutational burden, IFNγ signature and PD-L1 expression associated with favorable outcomes.

Resonant inelastic X-ray scattering interferometry reveals a highly entangled electronic phase in Nd₂Ir₂O₇, enabling extraction of its entanglement structure and confirming the cubic-symmetry-breaking order predicted from complementary Raman spectroscopy.

This study uses near-field terahertz microscopy to reveal how hidden resonant modes in gold metasurfaces trap and intensify light, showing size-dependent nonlocal effects that shape bound states in the continuum.

By combining satellite observations with ground-based data and expert validation, this analysis demonstrates considerable misestimation of grassland extent and thereby carbon stock estimates in previous global assessments based on remote sensing.

Long-period radio transients emit periodic radio pulses of unknown origin. The longest-lived source, GPM J1839−10, has a 21-min spin and 9-h orbit, resembling the more rapid white dwarf pulsars that are powered by binary interaction, potentially linking the classes.

A Gifsy-1 prophage–encoded higher eukaryotes and prokaryotes nucleotide-binding protein, HepS, senses Siphoviridae infection, activates abortive defence by cleaving host transfer RNAs, blocks rival phages and avoids self-targeting via tail-tip variation.

The hierarchy of DNA repair pathways at stalled replication forks is not fully understood. Here, the authors isolate two mutations in yeast RAD51 with defects in binding to duplex DNA and stalled replication forks, suggesting a role of Rad51 duplex DNA binding in fork stabilization and postreplication repair.

Pyramidal neuron-driven mechanisms actively promote the survival and terminal differentiation of their associated interneuron subtypes.

Genetic predictors of health outcomes often drop in accuracy when applied to people dissimilar to participants of large genetic studies. Here, the authors investigate the root causes and highlight open questions underlying this problem.

Melting from the Greenland Ice Sheet triggers land uplift beneath the ice sheet and changes to Earth’s gravitational field and rotation axis, a process called Glacial Isostatic Adjustment. Lewright et al. find that this process will lead to a local sea level fall along Greenland’s coast over this century.

Using a non-human primate model, the authors identified the tissue sites of initial viral rebound after discontinuation of antiretroviral therapy, demonstrating that such rebound preferentially occurs in the gastrointestinal tract-associated lymphoid tissues.

Plant traits drive ecosystem dynamics yet are challenging to map globally due to sparse measurements. Here, the authors combine crowdsourced biodiversity observations with Earth observation data to accurately map 31 plant traits at 1 km² resolution.

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

This study finds that native tree extinctions and alien naturalizations are pushing forests towards fast-growing, resource-demanding species. This global shift could affect carbon storage and ecosystem stability, highlighting the need to protect slow-growing trees.

The authors report long-lived pump-induced conductivity suppression in metallic Ti₃C₂ MXenes using ultrafast terahertz and reflectance spectroscopy. The effect is attributed to strong photothermal heating and slow heat dissipation.

Muscularis macrophages, housekeepers of enteric nervous system integrity and intestinal homeostasis, modulate α-synuclein pathology and neurodegeneration in models of Parkinson’s disease, and understanding the accompanying mechanisms could pave the way for early-stage biomarkers.

Rearrangement of the B cell receptor is sequential, and pairing of the successfully assembled heavy chain with the surrogate light chain proteins VpreB and λ5 to form the pre-B cell receptor is an important checkpoint signal for continued B cell development. Here, the authors show that λ5 plays a key role in the multi-step assembly process involving association-induced folding reactions.

Neural mechanism underlying behavioural flexibility is not fully understood. Here authors study decision-making of macaques in a reversal task. They identify two complementary cognitive processes. Distinct neural patterns link these processes to the dorsomedial prefrontal cortex, thalamus, and hippocampus.

Li et al. reveal projection neuron-type-specific dynamics that coordinate corticothalamic communication during reach-to-consume behavior in mice.

An integrated optical parametric amplifier on thin-film lithium niobate achieves more than 17 dB gain with less than 200 mW input power.

Taveneau et al. leverage artificial-intelligence-driven protein design to create inhibitors that control RNA-targeting enzymes in cells, revealing a strategy to rapidly design off-switches for RNA-editing systems.

An allosteric site on the E3 ligase adapter cereblon can be targeted to modulate the efficacy of cereblon in targeted protein degradation applications.

Humanity’s Last Exam, a multi-modal benchmark at the frontier of human knowledge, is designed to be an expert-level closed-ended academic benchmark with broad subject coverage.

An alternative mating system, termed parasex, produces progeny with high levels of genotypic diversity and is able to fulfil the roles of meiosis when it is absent in the fungal pathobiont Candida albicans.

De novo domestication was performed on the brassica Thlaspi arvense (pennycress) by identifying and stacking CRISPR-induced mutations to create a new intermediate oilseed crop that can be grown in the off-season, with seed compositions similar to canola (low erucic acid and reduced glucosinolate).

CFAP20 has a key role in rescuing RNA polymerase II complexes that have arrested during DNA transcription, limiting the accumulation of R-loops and preventing collisions between the transcription and replication machinery.