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A large-scale study on the replicability of claims from social and behavioural science journals reports that about half of the results replicate in the same patterns as the original study.

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.

Korobkina et al. show that ACLY in brown fat prevents metabolic overload in the tricarboxylic acid cycle, thus ensuring adequate thermogenesis by avoiding cellular stress.

Robustness checks and reproduction of analyses with existing and updated data based on 110 articles in economics and political science journals with data and code-sharing requirements found high levels of robustness and reproducibility and determined that robustness was not dependent on author characteristics or data availability.

The signaling mechanisms regulating adipose thermogenesis have not been fully elucidated. Here, the authors show that a brown fat-enriched adipokine ADISSP promotes adipose thermogenesis and improves metabolic health independently of b-adrenergic receptor.

Methane emission from a very cool brown dwarf, perhaps arising from an aurora, has been detected in James Webb Space Telescope observations.

The identification of cellular targets for natural products that potently inhibit the growth of cancer cell lines implicates oxysterol-binding proteins in the growth of cancer cells. These natural products, termed ORPphilins, also affect sphingomyelin biosynthesis.

The study of statistical correlations is central to the description of complex quantum objects. Measurements of density correlation functions of ultracold molecules are now possible through the realization of a molecular quantum gas microscope.

Decreased brain volumes and increased NfL levels can be observed earlier than disease diagnosis in short-tandem-repeat-associated neurological diseases.

Beige and brown fat may influence systemic metabolism through secreted signals. Here the authors identify a panel of metabolites secreted from beige and brown fat cells, which signal to influence fat tissue and skeletal muscle metabolism and have anti-obesity effects in mouse models of obesity and diabetes.

When 100 social and behavioural science claims were examined, 34% of reanalyses closely matched the original results, with 74% reaching the same conclusion, revealing limited robustness of single-path analyses and the need to address analytical uncertainty.

Catabolism of extracellular glutathione by γ-glutamyltransferases supports tumour growth and survival, and pharmacological targeting of these enzymes slows tumour growth.

Brown fat tissue contributes to organismal energy expenditure due to its thermogenic capacity. Here, the authors identify miR-378 as a specific regulator of brown fat tissue expansion, and suggest that physiological crosstalk between adipose tissue depots leads to a reduction in white fat mass.

Borneol has repelled mosquitoes for millennia, but how it worked was unknown. Here, the authors show the sensory pathway mosquitoes use to detect and avoid this ancient plant compound, opening the door to improved natural repellents.

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.

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.

Baum et al. present a synthesis of field data, remote-sensed data, media reports and process-based modelling analyses examining the effects of the 2021 heatwave in western North America for 32 terrestrial and marine taxa as well as gross primary productivity, streamflow and wildfire activity.

This multidisciplinary response to investigate the large outbreak of unknown febrile illness in the Panzi Health Zone in the Democratic Republic of the Congo in late 2024 suggests that the outbreak was largely associated with malarial cases and concurrent viral respiratory infections.

Whole-ecosystem manipulations of Caribbean islands occupied by brown anoles, involving the addition of competitors (green anoles) and/or top predators (curly-tailed lizards), demonstrate that predator introductions can alter the ecological niches and destabilize the coexistence of competing prey species.

Rare coding variants that reduce the activity of a protein can have a beneficial impact on health. Here, researchers identify rare genetic variants in the CHRNB3 gene that associate with reduced cigarette smoking across diverse populations.

Acute pancreatitis is a serious inflammatory disease, which is more severe in diabetic mice. Here the authors use mice lacking pancreatic acinar cell insulin receptors to show that this may be because insulin preserves glycolytic energy supply in acinar cell during pancreatitis, which prevents cytotoxic calcium overload and cell death.

The APOE-ε4 allele is the strongest genetic risk factor for late-onset Alzheimer’s disease, but it is not deterministic. Here, the authors show that common genetic variation changes how APOE-ε4 influences cognition.

Elevated eripheral serotonin reduces brown adipose tissue thermogenesis and promotes obesity and metabolic dysfunction.

In a phase 1b/2 trial, an off-the-shelf vaccine using gorilla adenoviral and modified vaccinia Ankara vectors with over 200 mutated peptides known to be present in persons with mismatch-repair-deficient tumors is safe and elicits neoantigen-specific T cells in individuals with Lynch syndrome.

In vivo experiments and clinical cohort analyses show that hypoxia-inducible factor 2 (HIF2)-induced parathyroid hormone-related protein (PTHrP) expression contributes to cachexia in the context of renal cell carcinoma (RCC). The pathway can be targeted by HIF2 inhibitors, including belzutifan, which may reduce cachexia in patients with RCC.

An intracellular protein-based recorder called CytoTape is capable of tracking cell activities over weeks and at scale.

JWST’s COSMOS-Web survey is used to create an ultra-high-detail dark matter map, revealing hidden filaments, clusters and distant structures. By tracing features out to z = 2, this map shows how dark and luminous matter build the cosmic web across cosmic time.

Multi-omics datasets pose major challenges to data interpretation and hypothesis generation owing to their high-dimensional molecular profiles. Here, the authors develop ActivePathways method, which uses data fusion techniques for integrative pathway analysis of multi-omics data and candidate gene discovery.

The high-plasticity cell state (HPCS) is a critical hub that enables reciprocal transitions between cancer cell states, and targeting the HPCS may suppress cancer progression and eradicate treatment resistance.

CLASSIC is a high-throughput genetic profiling platform that combines long- and short-read next-generation-sequencing modalities to quantitatively assess pools of constructs of arbitrary length containing diverse genetic part compositions.

Structurally resolving glycans remains a challenge. Here, the authors analyse influenza H3 hemagglutinin glycan evolution to show that over five decades of glycan incorporation highly impact structural stability and epitope accessibility, particularly in the head domain, providing key insights for vaccine design.

Gut microbiota play a critical role in drug metabolism. Now, by exploring the human gut microbial metabolism of G-protein-coupled receptor (GPCR)-targeting drugs, uncommon pathways and biotransformations are elucidated, revealing how the activity of the metabolized drugs against target GPCRs is modulated.

A phase 1 feasibility trial shows that bilateral deep brain stimulation within the central lateral thalamus can be safely applied and is associated with improved executive control.

ABC toxins are bacterial insecticides with biotechnological potential. Here, Low et al. have deciphered soluble and membrane-inserted structures of YenTc that highlight structural and mechanistic diversity in the ABC toxin family and provide insights into their evolution.

In the final report of a phase 1 trial evaluating intracerebroventricular B7-H3-targeting CAR T cells in children and young adults with diffuse intrinsic pontine glioma, repeated intracranial infusions were feasible and well tolerated with a median overall survival of 19.8 months and 3 patients surviving over 40 months from diagnosis.

C4ʹ-modified nucleoside analogues attract global attention, but current approaches for the synthesis involve lengthy, nonmodular routes. Herein, the authors report a modular 5-step process to a diverse collection of C4ʹ-modified nucleoside analogues through a sequence of intramolecular trans-acetalizations of polyhydroxylated frameworks.

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.

Polyamines produced by gut bacteria have been proposed to contribute to inflammatory bowel diseases. Here, Nauta et al. show that bacteria can produce a noncanonical polyamine intermediate that functions similarly to deoxyhypusine synthase inhibitors, activates mitochondrial stress responses, and inhibits nematode development and mouse macrophage differentiation.

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

The ~500-metre-thick Prudhoe Dome in northwestern Greenland completely deglaciated 7,000 years ago, highlighting the sensitivity of the ice sheet to mid-Holocene warming, according to luminescence and geochemical data from sub-ice sediments and ice cores.

The authors identify a single main-chain hydrogen bond required to keep GABA_A receptors closed in the absence of neurotransmitter. Electrophysiology and molecular dynamics simulations suggest disruption of this bond is a key component of channel opening during inhibitory synaptic signaling in the brain.

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.

There is a need for an easy-to-use clinical tool, that could predict favorable early PSA response and subsequently enhance early risk stratification, as well as guide treatment planning. Here, the authors show that based on patient data from four phase III randomized trials, Nadir androgen receptor pathway inhibitor (APRI)- Derived Integrative Response (NADIR) model predicts favorable early PSA response to ≤0.2 ng/mL by 6 months in metastatic hormone sensitive prostate cancer (mHSPC) patients initiating treatment with an APRI.

The textile industry’s reliance on synthetic dyes is an important source of greenhouse gas emissions. Here the authors describe a process involving sustainable solvents that allows the extraction, purification, and reuse of dyes, as well as the recycling of dye-free fabrics.

Soil microbial populations bloom and then die-off in ecosystems with seasonal snowpack. This study showed that distinct taxa utilize different N sources for growth or energy during the microbial bloom and alter the fate of N after snowmelt.

Uranium oxo groups are very inert, in contrast with many transition metal oxo compounds that can carry out reactions that are difficult to achieve with other reagents. Now, the controlled lithiation of a ‘Pacman’ complex is shown to activate the uranium oxo group towards functionalization and single electron transfer.

The functions of the vast majority of brain-expressed spliced isoforms are unknown. Here the authors describe an isoform-resolution perturbation system coupled to a single cell transcriptomics read-out, and through this approach identify neuronal microexons that control autism-linked signatures underlying neuronal maturation and function