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Brown adipose tissue β3AR plays a functional role in regulating susceptibility to social stress, which is controlled by neural inputs from the paraventricular hypothalamus.

Mangrove ecosystems are facing severe climate threats. However, this study shows that strategically expanding protected areas to include the most climate-resilient sites can safeguard biodiversity and ecosystem services for the future, and this can be achieved with only a modest increase in protected area.

The bacterial genus Aeromonas includes emerging human pathogens, often misidentified as Vibrio cholerae. Here, the authors analyse genomic sequences of over 1,800 Aeromonas isolates, showing that clinical and environmental strains do not display clear differences in drug resistance or disease-causing potential.

Avian influenza jumped from wild birds into dairy cattle. Here, the authors report that two mutations in the viral polymerase helped the virus to quickly adapt to cattle. Mutations increased the polymerase activity and made the virus better at replicating in human cells.

Scholl et al. show that PopZ forms filamentous condensates driven by its helical domain and inhibited by its disordered region. Phase-dependent conformations modulate client interactions and disruption of filamentation or condensation impairs cellular function and growth.

Silane, which is a precursor to the sandy surfaces of rocky planets and dusty clouds on gas giants, is seen directly in another world—a low-metallicity brown dwarf in which oxidation is slow and gas mixing is fast.

Targeting neurons that regulate energy balance may offer new approaches for obesity treatment. Here, authors show that chemogenetic and pharmacological manipulation of GABAergic neurons in the DRN/vlPAG increases adaptive thermogenesis and reduces weight gain in mice fed a highfat diet.

Here, the authors show that Brown-Zak fermions in graphene-on-boron-nitride superlattices exhibit mobilities above 10⁶ cm²/V s and micrometer scale ballistic transport.

Brown dwarfs are small stars that are believed to be made of a warm dense plasma that cannot support hydrogen fusion as larger stars do. Here, the authors present a method for studying the properties, such as resistivity, of warm dense plasmas in the laboratory.

Speckle patterns are a manifestation of decoherence and can result from two-particle interference. Here, the authors image atomic speckle for guided matter waves and link this to atom bunching in the second-order correlation function, suggesting potential use in squeezed-atom interferometry applications.

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.

Using infant fMRI, the authors show that, by 2 months of age, representations in high-level visual cortex encode visual categories that align with deep neural networks, and lateral object-selective regions are later to develop.

A cortical premotor network in HVC, once initiated, can sustain and regulate the sequential production of zebra finch song syllables without major extrinsic inputs.

Exploration of the chemistry of allylic, benzylic, propargylic and allenylic oxonium ions is lacking despite the latest developments in onium ion chemistry. Now, a unified approach for the synthesis and NMR spectroscopic characterization of these unusual species is reported, helping to understand their reactivity.

Proxy records from Lake Baikal show that rapid cooling coincided with Northern Hemisphere ice sheet expansion 2.7 million years ago, a change accompanied by a transition to open steppe ecosystems.

Neural mechanisms underlying motivation-driven behaviors are not fully understood. Here authors show that non-cholinergic neurons in rodent basal forebrain link sensory stimuli with motivational states and experience-driven plasticity.

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

Drugs that rescue function of episodic ataxia 1 (EA1) mutant potassium channels are lacking. Here, Manville et al identify and describe the molecular basis for Native American botanical ataxia remedies that directly rescue EA1 mutant channels.

A comparative analysis of trait data combined with a mathematical model suggests that dietary specialization drives selection towards the smallest and largest body sizes in terrestrial mammals, as generalists outcompete specialists at intermediate sizes.

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 Earth-mass planet is found to have a white dwarf host—the final evolutionary stage of Sun-like stars. This system suggests that terrestrial planets in Earth-like orbits may avoid being engulfed during the red-giant phases of their host stars.

This study detects Chlamydia pneumoniae in human retina and brain, increasing with AD severity. Retinal pathogen load with Aβ₄₂ may predict AD stage. In models, infection drives Aβ deposition and NLRP3 activation, worsening pathology and cognition.

A martensitic alloy with a tensile strength exceeding 3 GPa and a fracture elongation of 5.13% is developed. These mechanical properties arise from interface complexes interacting with dense dislocation networks, which is a mechanism shown to be applicable to other compositions.

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.

Many biological systems appear to organize their dynamics close to a critical point. Now it is shown that the protein array mediating Escherichia coli chemosensing is near-critical, enabling large signal amplification without compromising response speeds.

A hand stencil painted on a cave wall on a small island off the coast of Sulawesi more than 67,800 years ago suggests a very early occupation of Wallacea.

Heparan sulfate proteoglycans facilitate the assembly of clusters of glycoRNAs and cell surface RNA-binding proteins, which negatively modulate VEGF-A signalling and angiogenesis.

In mice, DHPS supports the maturation, maintenance and function of tissue-resident macrophages via the polyamine–hypusine axis, with implications for macrophage-targeting therapies.

The standard method for identifying active brown adipose tissue is costly and exposes patients to radiation. Here, the authors show that convolutional neural networks can predict [¹⁸F]-FDG uptake by BAT from unenhanced CT scans and improve the segmentation accuracy compared to conventional CT thresholding.

At single-cell resolution, Tarkhov et al. delineate stochastic and co-regulated components of epigenetic aging, revealing a simultaneous loss of regulation at the epigenetic and transcriptional levels in aging.

Optomechanical crystals are promising building blocks for quantum networks but suffer from thermal mechanical noise. Here the authors demonstrate on-demand conversion of single phonons into high-purity telecom photons with low thermal noise and MHz-scale narrow bandwidth using a quasi-2D optomechanical system.

Creatine chemical exchange saturation transfer magnetic resonance imaging is used successfully to measure brown adipose tissue activity in rats and humans, delivering data that are consistent with [¹⁸F]fluorodeoxyglucose PET and CT measurements.

Electrochemical CO reduction to multi-carbon products offers a carbon-negative approach to produce chemicals, but the intricate reaction pathways lead to a broad spectrum of products. Now it has been shown that alkali cations alter the mechanistic pathways that govern the reaction selectivity involved in the formation of hydrocarbons versus oxygenates.

Analysis of the cool brown dwarf Gliese 229 B suggests that it is actually a close binary of two less massive brown dwarfs, explaining its low luminosity and settling the conflict between theoretical predictions and measurements.

Cosgun et al. show that, in B cell leukemia, β-catenin expression is maintained at low levels through glycogen synthase kinase 3B (GSK3β)-mediated phosphorylation. Inhibition of GSK3β results in β-catenin–Ikaros–NuRD complex formation, leading to B-ALL cell death through MYC repression.