The first experimental measurement of tripartite quantum discord, a measure of quantum correlations among three particles that extends beyond entanglement. Using nuclear magnetic resonance, the team verified theoretical predictions about how this correlation behaves under decoherence.

The result is relevant to quantum information processing and multipartite quantum communication protocols, where understanding non-classical correlations beyond pairwise entanglement is important for designing robust multi-node quantum systems.

This randomized clinical trial evaluated whether replacing regular salt with a potassium-enriched salt substitute could reduce recurrent stroke and death among 15,249 stroke survivors in rural China. The researchers found that salt substitution reduced recurrent stroke risk by 14%, lowered overall mortality by 12%, and reduced stroke-related deaths by 21%, without increasing the risk of hyperkalemia. The key breakthrough is the provision of large-scale direct clinical evidence that a simple, low-cost dietary intervention can significantly improve long-term outcomes for stroke survivors, making salt substitution a practical and scalable strategy for secondary stroke prevention and cardiovascular health worldwide.

This study discovered that endosomes, cellular compartments traditionally known for sorting and transporting molecules inside cells, also play a direct role in breaking down lipid droplets, the organelles that store fat within cells. Using a newly developed fluorescent probe called AP1-coumarin, the researchers observed that lipid droplets physically interact with and can even be engulfed by intermediate endosomes. They found that disrupting endosomal trafficking caused lipid droplets and triglycerides to accumulate, while enhancing endosomal maturation accelerated fat breakdown. The study also revealed a previously unknown two-way relationship between lipid droplets and endosomes, showing that each helps regulate the other's function. The main breakthrough is the identification of endosomal trafficking as a previously unrecognized pathway involved in lipid droplet degradation and lipid homeostasis, providing new insights into cellular fat metabolism that could ultimately help inform treatments for diseases linked to fat imbalance, including obesity, diabetes, Alzheimer's disease, and cancer.

This study analyzed 2,696 U.S. adults aged 50+ from NHANES 2009–2012 and used Mendelian randomization to examine whether the oral microbiome contributes to frailty. It found that greater oral microbial diversity was consistently associated with lower frailty, and identified specific bacterial taxa that may have protective or risk-promoting effects. The authors conclude that the oral microbiome may serve as both a biomarker and a modifiable target for promoting healthy aging. In simple terms, people with a healthier, more diverse community of bacteria in their mouths tended to be less frail, suggesting that improving the oral microbiome could help support healthier aging.

This study experimentally investigated how rotating objects interact through the fluid flows they generate, creating a contactless form of rotational coupling between submerged rotors. The researchers found that a spinning rotor can transfer rotation to a nearby passive rotor through hydrodynamic forces alone, producing not only the expected gear-like counterrotation but also unexpected corotation modes in which both rotors spin in the same direction. By mapping how these behaviors depend on rotor spacing, confinement, and flow conditions, the study identified geometric, topological, and inertial transitions that govern the switch between coupling modes. The findings establish a new framework for understanding and controlling hydrodynamic spin-spin interactions, demonstrating a fluid-based analogue of mechanical gears that could be useful for soft robotics, microfluidics, and other systems where frictionless, contact-free motion transfer is desirable.

Replicating a known human-juror study, researchers tested whether large language models evaluate firearm-examiner testimony differently than people do. A knowledge-enhanced AI system gave more cautious, scientifically grounded assessments than a standard LLM.

Unlike human jurors in the original study, neither AI system convicted based on inconclusive forensic evidence. The findings are relevant to AI-assisted review of forensic testimony and to wrongful-conviction prevention efforts.

A health-policy analysis tracing Vietnam's reversal from decentralized to centrally financed routine immunization. The study identifies the funding gaps, coordination failures, and local capacity shortfalls that drove the original decentralization effort to fail.

The findings offer a case study other low- and middle-income countries can draw on when designing or reforming immunization financing structures, particularly around the trade-offs between local autonomy and centralized funding stability.

Using angle-resolved photoemission spectroscopy on thin-film samples, researchers directly mapped the electronic band structure of infinite-layer lanthanum nickelate superconductors for the first time. The work resolves long-standing questions about orbital character and Fermi surface topology in this nickelate family.

The results provide experimental evidence that helps clarify the relationship between nickelate and cuprate high-temperature superconductivity, informing ongoing theoretical debates about the mechanism behind unconventional superconductivity in layered nickel-oxide materials.

This study mapped neuronal activity in the dorsomedial posterior parietal cortex of rhesus monkeys to complex episodic experiences by recording brain activity while the animals viewed naturalistic videos. The researchers found that individual neurons simultaneously encoded social behaviors, visual features, and temporal information, with many integrating multiple aspects of an experience over periods of up to 30 seconds. The findings suggest that the dmPPC constructs rich, high-dimensional representations of real-world events, helping the brain combine content and temporal context into coherent episodic memories and ongoing experiences.

This paper presents a new porous Ni@SiO₂ nanocapsule catalyst for the dry reforming of methane, a process that converts the greenhouse gases methane and carbon dioxide into valuable synthesis gas. The researchers addressed a major limitation of conventional core-shell catalysts, whose dense silica shells restrict gas diffusion and reduce catalytic efficiency. By selectively creating pores in the SiO₂ shell, they developed an optimized catalyst (M-NSNC-2) containing highly dispersed 5.3 nm nickel nanoparticles and an exceptionally high surface area exceeding 900 m²/g. The catalyst achieved over 82% methane conversion, remained stable for more than 50 hours, and resisted sintering, agglomeration, and carbon buildup. The main breakthrough is the demonstration that introducing porosity into the nanocapsule shell increases mass-transfer diffusivity by nearly 13-fold while maintaining catalyst stability, providing a new design strategy for overcoming diffusion limitations in core-shell catalysts and improving the efficiency of methane reforming for sustainable energy and carbon utilization applications.

This commentary argues that climate change and antimicrobial resistance (AMR) are closely interconnected global health crises, with rising temperatures, extreme weather events, ecosystem disruption, and climate-related pressures on agriculture and healthcare accelerating the emergence and spread of drug-resistant microbes. The authors identify a major policy gap: current global AMR strategies, including WHO action plans, largely fail to incorporate climate change despite growing scientific evidence linking the two. Rather than presenting new experimental findings, the paper's main contribution is a policy framework recommending how climate considerations can be integrated into AMR surveillance, prevention, stewardship, research, governance, and national action plans, with the goal of creating a more climate-resilient and effective global response to AMR.

This public health and aging research paper reviews 30 longitudinal aging studies across East and Southeast Asia. It found that the region has valuable aging datasets, especially in Japan, China, Singapore, and South Korea, but major gaps remain, including poor coverage in several countries, limited cross-country collaboration, inconsistent data access, and a lack of standardized measurements. The authors call for greater regional coordination and data sharing to better support healthy aging research and policy.