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The discovery of new gold deposits has declined by 45% over the past 10 years. Lintern et al.present new evidence for the occurrence of particulate gold in trees growing above buried mineral deposits, and propose vegetation sampling as a mineral exploration method.

Acetaminophen is one of the safest drugs around, but scientists still don’t know how it reduces pain and fever.

Nimbus, a deep learning model, uses a large multiplexed imaging dataset to predict the likelihood of marker positivity in single cells.

‘Ultrathin’ gold interlayers are shown to form nanoparticles that balance optical losses and electrical contact, enabling efficient perovskite–perovskite integration for scalable and durable triple-junction photovoltaics.

Optical nanoantennas can be used for spectroscopic investigations at previously unattainable dimensions. Schumacheret al.describe time-resolved antenna-enhanced ultrafast nonlinear optical spectroscopy and determine the transient absorption signal of a single gold nanoparticle.

Accurate quantum mechanical benchmarks modeling ligand interactions with protein pockets are key in drug design. Here, such a large dimers dataset is created, analyzed, and probed with many methods

The assembly and evaluation of molecular structures on surfaces has been boosted by advances in single-molecule techniques. The development of such methods are continued here, showing that double-stranded DNA, bound to the tip of an atomic force microscope, can be deposited on the surface of a gold electrode using an electrical trigger.

In this study, the authors present optimization and efficacy testing of apolipoprotein-based lipid nanoparticles for delivering various nucleic acid therapeutics in vivo to immune cells and their progenitors in the bone marrow.

Small nanoparticles with controlled morphologies can be prepared for catalysis applications by colloidal methods using stabilizing ligands. A solvent-extraction method has now been described that removes the ligands without affecting the morphology of the nanoparticles, or their catalytic activity over a range of reactions.

Gold has both economic and cultural significance to human societies but, as Liang Zhang and David Groves explain, we owe its presence in the Earth’s crust to repeating cycles of plate tectonics.

Tilt-corrected bright-field scanning transmission electron microscopy offers enhanced cryogenic electron microscopy contrast and substantial improvement in dose efficiency for thick samples such as bacterial cells and large organelles, while still being able to perform single-particle analysis.

Zhang, Lahry, Cipurko et al. show that the microbial metabolites queuine and preQ₁ modify the same host tRNA. PreQ₁-tRNA reduces cell proliferation, slows tumour growth, decreases the translation of ribosomal proteins and is cleaved by IRE1 on the ER ribosome.

Cryptococcal meningitis is a common infection in patients with compromised CD4 T cell function. Using a CD4 T cell activation tracking mouse the authors show the localisation and activation of CD4 T cells in the brain after cryptococcus infection and how these cells interact with MHCII expressing microglia which may increase pathologic brain inflammation.

Implant-associated infections with Staphylococcus aureus pose serious clinical challenges. Here, the authors develop a biosensor based on toxin-responsive liposomes encapsulating gold nanoclusters, providing a non-invasive, colourimetric diagnostic tool for bacterial infection detection with urinary readout.

Gold peroxide-derived complexes are important in oxidation catalysis, although structural information on these species is sparse. Here, the authors have synthesized a range of gold complexes and have shown a reaction pathway from peroxides to hydrides, via oxygen-transfer events.

Using mouse pancreatic cancer models, Tsanov et al. show that reactivation of SMAD4 at metastatic sites promotes tumor growth in the lung through RUNX1 but restrains metastatic growth through KLF4 in the liver, influenced by organ-specific epigenetic states.

In a prospective study enrolling 1,222 patients from 22 emergency departments, a device using a machine-learning-based signature of blood mRNAs demonstrated clinically acceptable performance to diagnose bacterial and viral infections and to predict the all-cause need for critical care interventions within 7 days, with benchmark to established biomarkers and risk scores.

Shigella sonnei is divided into five lineages and most infections are caused by Lineage 3. Here, the authors investigate factors contributing to the epidemiological success of Lineage 3 through comparative genomics and virulence analyses in a zebrafish infection model.

In an integrated analysis of transcriptomic data from the SUBSPACE consortium and public datasets of patients with sepsis, acute respiratory distress syndrome, trauma and burns, dysregulation within four consensus molecular clusters related to myeloid and lymphoid cells is associated with mortality and illness severity.

Some bacterial species display gliding motility associated with slime secretion through nozzle-like structures at the cell poles. Here, Zuckerman, So & Hoiczyk show that the nozzles are composed of PilQ/GspD proteins usually associated with protein secretion, thus suggesting that secretins may be required for the secretion of non-proteinaceous polymers in these bacteria.

DNA hybridisation thermodynamics parameters underlie rational design of oligonucleotides for diagnostics and nanotechnology. Here, the authors present an accurate method to measure the free energy of a given DNA structure at specific temperature and buffer conditions.

Enfortumab vedotin (EV) is the current standard treatment for advanced bladder cancer, but resistance typically develops within a year, highlighting the need for new therapies. This study demonstrates that NECTIN4-targeting CAR T cells are effective against bladder cancer, including EV-resistant cells, and their potency can be further enhanced by using rosiglitazone to boost NECTIN4 expression.

Two bead-based approaches for CRISPR diagnostics increase sensitivity and deployability in resource-constrained settings.

An ultrasensitive miRNA sensor based on gold-coated magnetic nanoparticles modified with redox-labelled probe DNA is capable of detecting miRNA at a concentration of 10 aM to 1 nM in unprocessed blood, and following tumour-induced variation in miRNA levels.

Plasma proteomics plays a key role in advancing clinical research and biomarker discovery. Here, the authors show in a large MSCoreSys multicenter benchmark study that DIA outperforms DDA, delivering robust, precise, and reproducible label-free protein quantification across sites.

This work introduces a solvent-free method to directly synthesise MOF glasses without needing a crystalline precursor, enabling device integration, magnetic studies, and functional tuning.

Traditional nanomedicine relies on tumor induced EPR effect for drug delivery. Here the authors show that gold nanoparticles are independently able to induce leakiness at tumor vasculature to enhance the tumor killing effect.

The electrochemical transformation of CO₂ into liquid fuels is a major challenge. Now, Jaramillo, Hahn and co-workers present a Au/Cu catalyst highly active to C₂₊ alcohols at low overpotentials as a result of a tandem mechanism where CO₂ is reduced to CO on Au and further reduced to C₂₊ alcohols on nearby Cu.

Replacement of platinum is important for lowering the cost of fuel-cell electrocatalysts, but less precious alternatives such as palladium are hindered by lower durability. Here, the authors show that incorporation of trace amounts of gold improves the durability of palladium based oxygen reduction catalysts.

The catalytic activity of gold nanoparticles is known to be dependent on size, but less is known about the activity of even smaller gold clusters. It is now shown that clusters with 5 to 10 atoms supported on multiwalled carbon nanotubes are as active as enzymes for the oxidation of thiophenol to disulfide with O₂.

The Peruvian Amazon is facing the highest known input of mercury pollution of any ecosystem globally. Intact forests located near artisanal gold mining are particularly at risk from this toxin.

The electroreduction of CO₂ offers a promising approach to produce carbon-neutral methane using renewable electricity. This study shows that the introduction of Au in Cu enables selective methane production from CO₂ by regulating *CO availability.

It is of high interests to develop new catalysts for selective CO2 electroreduction. Here the authors investigate two-dimensional transition metal carbides for CO2 to methane conversion with superior activity, selectivity and low overpotentials.

Low-temperature spectroscopy shows that the electronic structure of gold clusters is sensitive to the donicity of surface-bound phosphine ligands.

The manner in which carboxylates bind to the surface of nanoparticles has been an important question in materials science. Now, multinuclear magnetic resonance experiments — alongside DFT calculations, XPS and TEM measurements — have elucidated the three-dimensional ligand structures of gold nanoparticles capped with various ratios of carboxylate-containing ligands, and enabled the determination of the most probable binding modes.

Plasmon-mediated growth of Au nanoprisms is demonstrated by using polyvinylpyrrolidone as surfactant, which extends the lifetime of the plasmon-generated hot electrons and makes them available to reduce Au precursors from solution.

GBA, a major gene for Parkinson’s disease and dementia with Lewy bodies, is associated with increased risk of developing dementia. Here, we demonstrate that GBA mutations in mice contribute to cognitive deficits through α-synuclein-independent mechanisms that impact synaptic vesicle endocytosis.

Experiments on nanoparticles with highly uniform sizes show how acoustic vibrations are damped through a combination of intrinsic and viscous damping by the surrounding fluid.

Pseudocapacitors are emerging as alternatives to conventional supercapacitors. Here, authors showed an uncommon charge storage mechanism in a high-rate conjugated polyelectrolyte and demonstrated practical pouch and solid-state pseudocapacitor devices with competitive energy up to 71 μWh cm⁻² and power performance up to 160 mW cm⁻².

The majority of human genes can produce multiple isoforms, but studying their functional relevance requires tools to target specific isoforms. Here, the authors develop a CRISPR-based exon-exon junction-targeting strategy to achieve isoform-specific RNA knockdown.

Synthetic nanochemistry currently lacks the molecular step-by-step routes afforded to organic chemistry by total synthesis. Here, the authors track the seeded growth of atom-precise gold nanoclusters using mass spectrometry, revealing that the clusters evolve through a series of intermediates in two-electron steps.

Parallel patterning of atoms over a large surface would represent a major advance over current serial methods of single atom manipulation. Here, the authors explore a periodic instability from liquid alloy droplets for high-throughput atom printing.

Dietary cysteine enhances intestinal stem cell-mediated intestinal repair following injury by promoting CD8 T cell-regenerative immune responses.