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New analytical tools are needed to identify chemical degradation and failure mechanisms in Li-ion batteries. Here, the authors report an operando Raman spectroscopy method, based on hollow-core optical fibres, that enables monitoring the chemistry of liquid electrolytes during battery cycling.

DNA damage stalls RNA polymerase II and halts gene expression. Here, the authors reveal how cells clear stalled polymerase by two hierarchical pathways, in which CSB/CRL4^CSA -triggered ubiquitylation enables rapid TFIIH-driven removal, and with VCP-mediated extraction acting as a backup when this fails.

The practical use of all-solid-state batteries is hindered by lithium dendrites formed at current densities lower than the threshold suggested by industry research. Here, the authors propose a MHz-pulse-current protocol to circumvent the low-current cell failure and provide mechanistic analyses.

Bacteria use diverse defence systems against phages, including a 164-residue prophage-encoded protein, Rip1, which senses conserved phage assembly rings to form membrane pores that block virion maturation and trigger premature host cell death.

Analysis of shallow-water marine carbonate samples from 101 stratigraphic units allows construction of a record of lithium isotopes from the past 3 billion years, tracking the evolution of the global carbon and silicon cycles.

Ubiquitination is a versatile modification system in eukaryotic cells. Here, the authors unveil that the ubiquitin ligase HUWE1 can modify drug-like small-molecule substrates, beyond proteins. This discovery may be harnessed to develop specific tool substrates or inhibitors of HECT-type ligases.

An outstanding challenge in materials science is doing large-scale simulations with complex electron interactions. Deng and colleagues introduce a universal graph neural network-based interatomic potential integrating atomic magnetic moments as charge constraints, which allows for capturing subtle chemical properties in several lithium-based solid-state materials

It is challenging to decipher electrochemical processes, especially at the molecular scale, inside a working battery. Here Tarascon and colleagues develop a technique that pairs optical fibre sensors with operando infrared spectroscopy to reveal the dynamic mechanisms of key processes in commercial Li-ion and Na-ion batteries.

The galvanostatic intermittent titration technique (GITT) is the state-of-the-art method for determining the Li+ diffusion coefficients in battery materials. Here, authors propose the intermittent current interruption method as a reliable, accurate and faster alternative to GITT-based methods.

Reversible high-voltage redox is a key component for electrochemical technologies from electrocatalysts to lithium-ion batteries. A point defect explanation for why anion redox occurs with local structural disordering and voltage hysteresis is proposed.

Electrochemical hydrogenation drives a reversible conductor–insulator transition in graphene. Authors show that it is 10⁶× faster than other methods and tunable by isotope effects and lattice corrugations, enabling ionic control of 2D electronics.

Conversion electrodes for lithium-ion batteries are capable of high capacity but low energy efficiency and low voltages are problematic. The electrochemical reactivity of MgH₂ with Li shows promise in using metal-hydride electrodes for both lithium-ion-battery and hydrogen storage applications.

MultiSuSiE is an extension of the Sum of Single Effects fine-mapping model that allows causal effect sizes to vary across ancestries. Applying MultiSuSiE to quantitative traits in All of Us identifies fine-mapped variants not implicated by other methods.

Molecular switches that can access more than just a few states are difficult to realize. Here, the authors use scanning tunnelling microscopy and spectroscopy to show that a surface-bound Li@C₆₀ endofullerene can be switched between 14 molecular states—distinguished by the location of the Li atom inside the fullerene cage—by resonant tunnelling through the superatom molecular orbitals.

The quark structure of the f₀(980) hadron is still unknown after 50 years of its discovery. Here, the CMS Collaboration reports a measurement of the elliptic flow of the f₀(980) state in proton-lead collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV, providing strong evidence that the state is an ordinary meson.

Aluminum-based negative electrodes could enable high-energy-density batteries, but their charge storage performance is limited. Here, the authors show that dense aluminum electrodes with controlled microstructure exhibit long-term cycling stability in all-solid-state lithium-ion batteries.

A van der Waals heterostructure made from atomic layers of ferroelectric CuCrP₂S₆ and ferromagnetic Fe₃GeTe₂ can offer reversible, non-volatile ferroelectric control of two-dimensional magnetism.

Here the authors show that endogenous or therapeutically delivered GDF-15 activates brainstem neurons that trigger splenic β-adrenergic signaling. This, in turn, suppresses autoreactive T cells and reduces neuroinflammation, identifying a possible target for multiple sclerosis treatment.

Extracting lithium from alternative aqueous sources becomes crucial in meeting increasing lithium demand. Here, authors design an economically feasible electrochemical process that achieves selective lithium extraction from geothermal brine and finally produce battery grade lithium hydroxide.

The long-term cycling of Li-S batteries depends on the polysulfides shuttling regulation. Here, the authors present a saccharide-based binder system to control the polysulfides migration and improve the cycle life of a Li-S pouch cell.

High-entropy ceramics are solid solutions offering compositional flexibility and wide variety of applicability. High-entropy concepts are shown to lead to substantial performance improvement in cation-disordered rocksalt-type cathodes for Li-ion batteries.

A wearable paper-based microfluidic device tracks cortisol in sweat via gold nanoflower colorimetric assays and captures circadian rhythms, stress responses and jet lag disruptions.

Hydrogen sulfide (H₂S) reversibly modifies low molecular weight and protein thiols to form persulfides (RSS⁻) and polysulfides (RS(S)nS⁻) for antioxidant defence and regulation of activity. Here, the authors report a sensitive LC-MS/MS procedure that separately traps and quantifies the sulfur atom of H₂S, the terminal sulfur atom of RSS and RS(S)nS-, and the internal sulfur atoms of RS(S)nS ⁻ as diagnostic products in biological samples.

Asymmetrical distribution of tau pathology in Alzheimer’s disease is linked to asymmetrical amyloid-beta deposition, not reduced brain connectivity, suggesting regional vulnerability plays a key role in determining the distribution of tau pathology.

A dynamic interconversion of three nickel states in lithium nickel oxide is demonstrated using evidence from x-ray spectroscopic data and first-principles calculations, which explains many physical properties of this and similar materials.

Understanding the ion intercalation and degradation mechanisms occurring during realistic battery operation is crucial to developing high-rate battery electrodes. Operando optical scattering microscopy is now used to study single-particle kinetic state-of-charge heterogeneities and cracking in high-rate Li-ion anode materials.

Asexual-to-sexual switching underpins malaria transmission. Prajapati et al. identify an AP2-G loss-of function mutation and use it as a genetic tool to show that GDV1 is essential for initial ap2-g activation and sexual commitment initiation.

While the impetus to develop lithium metal solid-state batteries is clear, identifying a practical manufacturing process is challenging. Herewith, authors study the underlying mechanisms controlling in-situ anode formation that could enable viable lithium-free manufacturing.

The 4D Nucleome Project demonstrates the use of genomic assays and computational methods to measure genome folding and then predict genomic structure from DNA sequence, facilitating the discovery of potential effects of genetic variants, including variants associated with disease, on genome structure and function.

Anionic redox provides extra capacity for battery electrodes, but it is challenging to realize its full potential. Tarascon and colleagues report a record-high reversible capacity of 3.5 electrons per Ir in a Li₃IrO₄ phase, and discuss the importance of increasing the ratio of oxygen versus transition metal.

Integrated single-cell and spatial data analysis, combined with bidirectional CRISPR screens, identify the transcription factor GLIS3 as a key driver of chronic inflammation and fibrosis and a potential marker of disease severity in patients with ulcerative colitis.

Understanding the severe voltage hysteresis in the first cycle of Li-rich cathodes is essential to realize their full potential in batteries. P. G. Bruce and colleagues report the formation of molecular O₂ on charging rather than other oxidized O species is the cause for the voltage hysteresis.

The study used snMultiome-seq to map gene expression and chromatin accessibility in human central amygdala cells from people with and without AUD. Here, the authors show that inhibitory neurons are most affected, with KLF16-driven regulatory changes and AUD-risk variants disrupting gene activity.

Olivine iron phosphate (FePO₄) is widely proposed for electrochemical lithium extraction, but particles with different physical attributes demonstrate varying Li preferences. Here, the authors characterize the electrochemical lithiation and sodiation behavior of a series of FePO₄ particles with different morphology to identify critical features that enhance Li selectivity.

How the complex interplay between multiple nutrients within the microenvironment dictates potential sites of metastatic cancer growth is explored.

The ALICE Collaboration provides details on the microscopic mechanism that ends up creating antideuteron in high-energy proton–proton collisions at the Large Hadron Collider.

Seasonal variation in K isotopes of rivers that drain the Chinese Loess Plateau indicates that riverine K isotopes can trace changes in silicate weathering intensity over time, offering a tool to track Earth’s climate–rock interactions.

Vassy, Dornisch and colleagues developed a genomics-based prostate cancer risk model to support a randomized clinical trial of precision screening in a national healthcare system.

MultiSTAAR provides a general and flexible statistical framework for functionally informed multi-trait rare variant analysis of biobank-scale sequencing studies by jointly analyzing multiple traits and incorporating annotation information.

Resonant inelastic X-ray scattering interferometry reveals a highly entangled electronic phase in Nd₂Ir₂O₇, enabling extraction of its entanglement structure and confirming the cubic-symmetry-breaking order predicted from complementary Raman spectroscopy.

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.

Employing intrusions with varying SiO₂ to represent the different layers of the continental crust (CC), a bulk CC δ^98/95Mo of −0.116 ± 0.011‰ is established, pointing to long-term mass balance between crustal growth and destruction.

A new type of mRNA splicing mechanism discovered in Caenorhabditis elegans that detects and removes inverted repeats also occurs in human cells, thereby providing another strategy to protect against the negative effects of transposable elements.

Walmsley and colleagues report that systemic hypoxia induces persistent loss of histone H3K4me3 marks and epigenetic reprogramming in neutrophil progenitors, resulting in long-term impairment of subsequent neutrophil effector functions.

Ni-rich layered cathode materials are promising for high-energy-density Li-ion batteries, but their degradation mechanisms are still poorly understood. A structure-driven mechanism with a lowered accessible state of charge after repetitive cycling is proposed for a typical NMC811 cathode.

Accurately locating underground contaminations is a major hurdle for cleaning up groundwater. Here, the authors address this issue by designing a smart nano reporter that travels with groundwater and releases signals upon contact with even trace-level contamination, allowing precise mapping of the residual organic contaminants.

Diatoms are critical for carbon fixation and have strong biotechnology potential. Here, the authors optimized DNA and protein delivery methods for the model diatom Phaeodactylum tricornutum, also showing that DNA pieces can be stitched together directly in algal cells.