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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.

Reproduction in numerous marine organisms is timed to specific moon phases, but the mechanisms for sensing moon phases are incompletely understood. Here the authors report that an ancient, light-sensitive protein L-Cryptochrome in a marine bristle worm can discriminate between sun- and moonlight, enabling the animals to properly decode moon phases.

Up-recycling waste wood as a source for producing materials is crucial for sustainability. Here, the authors discover that in situ thermal curing of melamine formaldehyde resin with natural wood enhanced its room temperature phosphorescence performance.

Double Asteroid Redirection Test (DART) mission’s impact on asteroid Dimorphos has led to various impact related features. Here, the authors show that those features result naturally from the dynamical interaction of the ejecta with the binary system and solar radiation pressure.

Extracellular vesicles (EVs) can provide critical information for diagnostics, but analysis can be difficult. Here, the authors develop a super-resolution imaging method that combines rolling circle amplification with expansion microscopy to reveal surface/internal markers in single EVs for cancer diagnosis and immunotherapy prediction.

A publicly accessible tool—the TIMES score—for predicting the risk of recurrence of hepatocellular carcinoma is revealed, providing mechanistic insights into the prognostic patterns for hepatocellular carcinoma.

CRISPR-based diagnostics are often limited by complex workflows and poor validation. Here the authors develop and validate a one-pot asymmetric CRISPR assay, which permits rapid and sensitive diagnosis of tuberculosis in a format which is suitable for resource-limited settings.

In a large-scale, international, multicenter, phase 1/1b trial, treatment of patients with advanced solid tumors with the B7H3-targeting antibody–drug conjugate YL201 was safe and showed preliminary clinical efficacy.

Double Asteroid Redirection Test (DART) mission impact on asteroid Dimophos resulted in an elliptical ejecta plume. Here, the authors show that this elliptical ejecta is due to the curvature of the asteroid and makes kinetic momentum transfer less efficient.

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.

Images collected during NASA’s DART mission of the asteroid Didymos and its moon, Dimorphos, are used to explore the origin and evolution of the binary system. Authors analysis indicate that both asteroids are weak rubble piles and that Didymos’ surface should be about 40 to 130 times older than Dimorphos.

In a large-scale proteomic study of biological aging of 11 organs from 44,498 individuals in the UK Biobank, the biological ages of the brain and immune system emerged as strong predictors of healthspan and longevity.

The largest harmonized proteomic dataset of plasma, serum and cerebrospinal fluid samples across major neurodegenerative diseases reveals both disease-specific and transdiagnostic proteomic signatures, including a robust plasma profile associated with the APOEε4 genotype.

Fan et al. describe DF-003, an alpha-kinase 1 (ALPK1) inhibitor that targets the root cause of the rare genetic disease ROSAH syndrome, demonstrating the ability of DF-003 to inhibit ocular inflammatory pathology in ROSAH model mice.

Aged hematopoietic stem cells (HSC) are characterised by reduced regenerative potential and a loss of quiescence. Here, the authors show nicotinamide riboside treatment shrinks the age-enlarged stem cell pool and shifts aged HSC functionally, metabolically and molecularly towards the young state.

A microglial state, featuring lipid droplets and secretion of neurotoxic factors, is shown to be most prominent in people with Alzheimer’s disease who have the APOE4 genotype.

Modifying the polyethylene glycol lipid ratio and phospholipids in the lipid nanoparticle component of nucleoside-modified mRNA–lipid nanoparticle vaccines is shown to have an impact on the elicited cellular and humoral immune responses.

As presented at the 2025 AACR Annual Meeting, in an ongoing first-in-human phase 1 trial of a next-generation KRAS-G12C inhibitor in patients with solid tumors, encouraging safety and response results were observed, including in patients with non-small-cell lung cancer.

Observations with the Hubble Space Telescope reveal a complex evolution of the ejecta produced by the Double Asteroid Redirection Test (DART) spacecraft impacting Dimorphos.

Transancestral GWAS meta-analysis in 160,420 individuals identifies 139 loci associated with refractive error, including myopia. Newly identified genes implicate pathways involved in eye growth and light signaling cascades.

Analysis of observations from the Atacama Large Millimeter/submillimeter Array showed evidence of the thermal Sunyaev–Zeldovich effect in the direction of the Spiderweb protocluster at a redshift of 2.156.

Data from a variety of sources—including satellite, climate and soil data, as well as field-collected information on plant traits—are pooled and analysed to map the functional diversity of tropical forest canopies globally.

An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

Haematopoietic stem cell numbers are restricted at both systemic and local levels.

The authors present SVclone, a computational method for inferring the cancer cell fraction of structural variants from whole-genome sequencing data.

The 33 minute change in the orbital period of Dimorphos after the DART kinetic impact suggests that ejecta contributed a substantial amount of momentum to the asteroid compared with the DART spacecraft alone.

Disruption of mucin-domain glycoprotein expression and function in the endothelial glycocalyx are associated with ageing and Alzheimer’s disease, leading to dysregulated blood–brain barrier function.

A living passivation strategy enables dynamic self-healing of perovskite solar cells to ensure device performance and stability on exposure to heat or moisture.

This study finds that sST2 is a disease-causing factor for Alzheimer’s disease. Higher sST2 levels impair microglial Aβ clearance in APOE4⁺ female individuals. A genetic variant, rs1921622, is associated with a reduction in sST2 level and protects against AD in APOE4⁺ female individuals.

The authors report on a determination of the momentum transferred to an asteroid by kinetic impact, showing that the DART kinetic impact was highly effective in deflecting the asteroid Dimorphos.

A genome-wide association study including over 76,000 individuals with schizophrenia and over 243,000 control individuals identifies common variant associations at 287 genomic loci, and further fine-mapping analyses highlight the importance of genes involved in synaptic processes.

The Antikythera Mechanism, a box of intricate gearwork recovered in a shipwreck, is a startling insight into the engineering prowess of the Hellenic world. New interpretations of the mechanism reveal how it could be used to predict eclipses; that it was probably made in a colony of Corinth and that it had a dial recording the times of the ancient Olympiads.

Stabilizing charge density wave states in low-dimensional systems is challenging. Here, the authors stabilize an ordered incommensurate charge density wave at elevated temperatures via endotaxial synthesis of TaS₂ polytype heterostructures, where charge density wave layers are encapsulated within metallic layers.

Neotropical tree community composition shows opposing successional pathways for wet and dry forests, but as vegetation cover increases over time, trends converge. Selecting species that have similar wood density to early successional communities could improve reforestation prospects.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

The low mobility measured for molybdenum disulphide layers grown using chemical vapour deposition limits the applications of these promising materials. Here, the authors show that band tail states play an important role on its electronic properties and that the band mobility is significantly higher.

The impact of the DART spacecraft on the asteroid Dimorphos is reported and reconstructed, demonstrating that kinetic impactor technology is a viable technique to potentially defend Earth from asteroids.

Bulk RNA sequencing of organs and plasma proteomics at different ages across the mouse lifespan is integrated with data from the Tabula Muris Senis, a transcriptomic atlas of ageing mouse tissues, to describe organ-specific changes in gene expression during ageing.

A genome-wide association study of critically ill patients with COVID-19 identifies genetic signals that relate to important host antiviral defence mechanisms and mediators of inflammatory organ damage that may be targeted by repurposing drug treatments.

Practical anticounterfeiting labels should possess both high-capacity and robustness, and should allow easy fabrication and readout. Here, the authors show how to heterogeneously grow robust and stable chaotic pattern of diamond microparticles - containing SiV defects - on silicon substrates.

Few-layered black phosphorus offers an infrared bandgap, complementing that of graphene and transition metal dichalcogenides. Here, the authors investigate the thickness- and strain-dependent electronic structure of black phosphorus using polarised infrared spectroscopy.

An antibody against the pituitary hormone Fsh reduces adiposity and increases thermogenesis in ovariectomized mice or mice fed a high-fat diet.