Researchers from Xinjiang University and East China University of Science and Technology have developed a novel iron-based single-atom catalyst (ZnS@Fe-NSC) that overcomes the long-standing trade-off between high activity and long-term stability in electrochemical CO₂ reduction. By integrating sulfur doping and zinc sulfide (ZnS) nanoparticles within the catalyst architecture, the team achieved exceptional CO production efficiency with over 98% selectivity and maintained stable operation for 30 hours, paving the way for more durable and efficient energy conversion technologies.

Microwave-assisted catalytic reactors can convert biomass into useful gases such as hydrogen much faster than conventionally heated ones, and researchers from Kyushu University, Japan have captured evidence of why. Using advanced X-ray techniques to observe the catalyst in real time, the team showed that microwaves create tiny, localized hot spots on nickel catalyst particles, accelerating the catalytic reaction. The team hopes to establish an electrified, high-efficiency pathway for carbon-neutral biomass conversion.

Researchers from the 4th Physics Institute of the University of Stuttgart and the Istituto Italiano di Tecnologia (IIT) in Milan have demonstrated a new mechanism for directing light in a naturally hyperbolic van der Waals material without the need for conventional nanofabricated waveguides. The discovery opens new possibilities for integrated photonics, on-chip optical communication, and future quantum technologies. https://www.nature.com/articles/s41565-026-02243-9

A force-responsive molecular system that reversibly switches circularly polarized luminescence (CPL) on and off at the single-molecule level has been developed, as reported by researchers from Japan. The team designed a platform consisting of a supramolecular mechanophore embedded in a polymer network gel, whose CPL emission is switched via swelling with a solvent. This approach provides an accurate way to evaluate force-induced CPL and expands the possibilities for next-generation mechanically responsive optical materials.

The rapid progress in electric vehicles and high-power electronics has increased the demand for ultra-fast charging lithium-ion (Li-ion) batteries. However, during fast charging, current Li-ion rechargeable batteries suffer from severe degradation in power and potential catastrophic failure, increasing safety risks. This is mainly due to electrochemical instability that occurs at the anode-electrolyte interface, causing hazardous Li metal plating on their surface and poor thermal stability.

For decades, scientists have asserted that the leakage of warm, salty Indian Ocean water south of South Africa into the Atlantic is a major contribution to the Atlantic Meridional Overturning Circulation (AMOC), a component of the global ocean conveyor system. New research led by an international team from the Netherlands, USA, China and UK suggests that the mechanism linking leakage of Indian Ocean water and deep-water formation was and is not as straightforward as previously thought. This research contributes to a better understanding of the AMOC, a key regulator of the Earth’s climate.

Robust single-mode operation is highly desirable for compact semiconductor lasers. Here, researchers demonstrate a robust single-mode laser by leveraging merging bound state in the continuum (BIC), enabling lasing up to 80 times the threshold power. They further realize an ultra-compact photonic crystal laser by combining BIC modes with edge engineering, achieving a 5×5 periodic array with a patterned area smaller than 15 μm². These results provide a promising pathway toward high-performance, miniaturized lasers for integrated photonics.