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Here, authors develop an anti-counterfeiting device using semiconducting polymer nanoparticles embedded in photoresist thin films. The device exhibits high brightness, stability, and encoding capacity, with promising uniqueness and reliability under UV exposure, high humidity, and temperature variations.

A new ultraluminous X-ray source has been discovered in M 31, whose variability and associated bright, compact radio emission identify it as a stellar-mass black hole accreting close to the Eddington limit.

Exciton localization in suspended carbon nanotubes leads to bright fluoresence with an ultranarrow linewidth and long lifetime.

Auditory stereocilia are mechanosensitive protrusions with precise dimensions that are formed around a core of long actin filaments. Here, the authors discover that stereocilia widening requires a population of myosin-regulated short actin filaments.

Using two-point optical frequency division based on a frequency-agile single-mode dispersive wave, a microwave signal source with record-low phase noise using a microcomb is demonstrated, offering over tenfold lower phase noise than state-of-the-art approaches.

Photoactivatable derivatives of the bright and photostable Janelia Fluor dyes enable improved multicolor single-particle tracking and facile localization microscopy in cells.

Pampols-Perez et al. identify the mechanosensitive ion channel PIEZO2 as a novel marker for embryonic coronary artery endothelial cells and as a critical regulator of coronary vascular remodeling. They show that in a distinct subset of coronary endothelial cells, PIEZO2 translates mechanically activated ionic currents into biological signals guiding coronary artery morphogenesis.

Stable coating of filters with a thin liquid layer enhances adhesion of airborne particulates while maintaining high air permeability, resulting in longer lifetimes and higher efficiency of these filters.

Impaired interleukin-2 production and regulatory T cell dysfunction is implicated in multiple autoimmune diseases. Here, in two phase lb trials, the authors show that rezpegaldesleukin, a Treg-selective pegylated IL-2, is safe and improves symptoms in patients with atopic dermatitis or psoriasis.

Here, the authors perform statistical measurements on hundreds of plasmonic nano-cavities embedding WSe₂ monolayers, and show the activation of anti-Stokes photoluminescence in WSe₂ through resonant excitation of a dark exciton at room temperature.

A red blood cell haemostatic mechanism induced by dying ECs functions independently of platelets and fibrin.

The authors describe a mechanism for the clearance of macromolecules from cerebrospinal fluid in which macromolecules traverse from periarterial to perivenous spaces, at sites where intersecting leptomeningeal perivascular (arteriovenous) spaces overlap.

Combining magnetic and semiconducting properties in a single material offers great technological potential, all the more so if these are coupled with good optical properties. Here, Neumann et al. present a Manganese doped Ruddlesden-Popper perovskite with this trifecta of attributes.

Biofluorescence is widespread in fishes. Here, the authors compile data on biofluorescence presence across teleost fishes and demonstrate that it may have originally evolved in eels 112 million years ago, but evolved numerous other times as well, often in association with coral reefs.

The ecological roles of color are well-studied but environmental factors associated with color variation less so. Here, the authors examine coloration in 1249 squamates, finding that brightness evolution is associated with open habitat and temperature.

A preinfusion circulatory inflammation biomarker-based signature predicts the likelihood of treatment failure in patients with non-Hodgkin lymphoma who were treated with CAR-T cell therapy, with an inflammatory cluster assignment being prognostic of clinical response and survival outcomes.

C–H activation in long-chain organic molecules remains largely unexplored. Here, the authors report light-driven C–H activation mediated by 2D TMDCs and the resultant synthesis of luminescent carbon dots.

Bat influenza viruses use MHCII, not sialic acids, for entry. Using high-resolution microscopy. on live cells, the authors show at the nanoscale that viral particles attach to clusters of MHCII. and attract additional molecules to the attachment site.

Deep learning can be used to virtually stain autofluorescence images of unlabelled tissue sections, generating images that are equivalent to the histologically stained versions.

Multisystem inflammatory syndrome in children (MIS-C) onsets in COVID-19 patients with manifestations similar to Kawasaki disease (KD). Here the author probe the peripheral blood transcriptome of MIS-C patients to find signatures related to natural killer (NK) cell activation and CD8+ T cell exhaustion that are shared with KD patients.

ERα^vlVMH neurons mediate the inhibitory role of 17β-oestradiol on prolactin production, and this inhibition is lifted in lactating mice to promote lactation-associated metabolic adaptations.

Using a spatial reasoning task in mice, the authors show that retrosplenial cortex encodes spatial hypotheses with well-behaved recurrent dynamics, which can combine these hypotheses with incoming information to resolve ambiguities.

Anomalously specular radar reflections (ASRR) from Titan’s tropical region were interpreted earlier as evidence for liquid surfaces, but the Cassini spacecraft did not observe lakes/seas at the anomalously specular locations. Here, the authors show that ASRR originate from one terrain unit, likely paleolakes/paleoseas.

A genomic barcoding scheme called two-layer DNA seqFISH+ enables the simultaneous mapping of more than 100,000 loci and has been used to identify cell-type-specific subnuclear compartments in the mouse brain.

Cavity polaritons whose matter component is composed of highly excited Rydberg atoms are shown to act as a zero-dimensional quantum dot. Trapping 150 polaritons led to the observation of blockaded photon transport.

Actin is crucial for nervous system function yet the role of microexons in its modulation is unclear. Here, the authors show that a microexon in DAAM1 has a role in actin dynamics, neuronal function and memory formation in mice.

The photophysics of thymine in the gas phase are still under debate. Here the authors perform coupled-cluster-based dynamics simulations to predict time-resolved X-ray absorption spectra and reveal a hydrogen dissociation channel.

Solid-state emitters enable broadband quantum information storage, but they are affected by decoherence resulting from inhomogeneous broadening. Here the authors suppress this effect via cavity protection at the single photon level in an ensemble of rare-earth ions coupled to a nanophotonic resonator.

An optical pooled screening method can correlate phenotypes and perturbations in any nucleated cell type.

Tissue monolayers avoid rupture at large tensile stresses through a strain-stiffening process governed by intermediate keratin filaments.

Hutchinson-Gilford Progeria Syndrome is characterized by premature aging with cardiovascular disease being the main cause of death. Here the authors show that inhibition of the NAT10 enzyme enhances cardiac function and fitness, and reduces age-related phenotypes in a mouse model of premature aging.

A manufacturable platform for quantum computing with photons is introduced and a set of monolithically integrated silicon-photonics-based modules is benchmarked, demonstrating dual-rail photonic qubits with performance close to thresholds required for operation.

An RNA-binding protein on leukemia cells provides an effective target in mouse models.

Research on the gut microbiota would benefit from improved methods to study microbial population growth. Here, Myhrvold et al. present a ‘mark and recapture’ method that uses genetically encoded fluorescent particles to measure the growth rates of gut microbes in live animals.

Cytokines of the IL-1 family have a range of effects on innate lymphoid cells. Liu and colleagues find that IL-1 facilitates the maturation and plasticity of group 2 innate lymphoid cells.

Fully exploiting the properties of graphene will require a method for the mass production of this remarkable material. The dispersion and exfoliation of graphite in organic solvents can produce graphene monolayers with a yield of about 1% by weight. Moreover, these samples are free from defects and oxides, and can be used to produce semi-transparent conducting films and conducting composites.

Optical contrast agents using AND-gate logic enhance the specificity and sensitivity of fluorescence-guided imaging in the resection of tumours and in the detection of metastases in mouse models of cancer.

Broadband frequency combs are a key enabling technology for frequency metrology and spectroscopy. Here, the authors demonstrate that the spectrum of a soliton microcomb can be extended by bichromatic pumping resulting in two combs that synchronize their repetition rate via cross-phase modulation.

The multipass membrane transporter MFSD6 localizes to the plasma membrane and acts as a host entry factor for enterovirus D68 (EV-D68) by binding directly to EV-D68 particles through its extracellular, third loop, offering a potential target to combat infections by this emerging pathogen.

Proteoforms from 10,000 rat single-brain cells are captured directly at high throughput.

Green et al. find that, when their internal heading estimate is rotated via neural stimulation, flies turn their body in a direction that aims to return their heading estimate back to its previous value. This suggests the heading estimate is compared with an internal goal to guide navigation.

The electronic band structure of atomically thin transition metal dichalcogenides is strongly sensitive to the number of layers, resulting in modified light emission. Here, the authors investigate the cryogenic emission from bilayer WSe₂ to identify the role of momentum-indirect excitons for its optical response.

Live cells and tissues are imaged over long time periods using a fast, non-toxic click chemistry.

Loss of Kmt2c or Kmt2d in mice drives the redeployment of KMT2A–menin to bivalent promoters, leading to changes in gene expression. This primes cells for transformation and elicits sensitivity to EGFR inhibitors.