SUMMARY: The U.S. National Science Foundation National Solar Observatory (NSF NSO) announced today a major breakthrough in solar physics. Using the world's most powerful solar telescope, the NSF Daniel K. Inouye Solar Telescope near the summit of Maui’s Haleakalā, combined with computer simulations, an international team of scientists from the NSO, NSF NCAR High Altitude Observatory (HAO), and the Max Planck Institute for Solar System Research (MPS) found the signature of Kelvin-Helmholtz instability (KHI), tiny swirling patterns like small whirlpools, on the Sun's surface. Researchers suggest that KHI might be a key reason why the Sun's outer atmosphere gets so hot, and why magnetic energy builds up and moves around on the Sun. Magnetic energy fuels solar flares and eruptions—the kind of solar activity that can send bursts of energy toward Earth and affect satellites, power grids, and other technology. The discovery opens a new window into the fundamental physics of the Sun and other stars while underscoring the unmatched capabilities of the Inouye Solar Telescope.

Images from the National Science Foundation (NSF) Daniel K. Inouye Solar Telescope and computer simulations reveal tiny vortices on the Sun’s surface that have never been seen before. The discovery is a major breakthrough. It may help us understand how energy builds up in the Sun’s magnetic field before being explosively released. Researchers from the NSF National Solar Observatory (U.S.), the Max Planck Institute for Solar System Research (Germany), and the High Altitude Observatory (U.S.) report their discovery in the journal Nature. The researchers interpret the vortices as signs of Kelvin-Helmholtz instabilities. This effect occurs where fluids flow past one another at different speeds.

Future quantum technologies require efficient ways to connect matter-based quantum states with light. One promising approach uses excitons—quasiparticles formed when light creates bound electron-hole pairs inside a semiconductor. Excitons interact strongly with light, making them attractive for quantum communication and photonic technologies. Boston College researchers report in Nature Nanotechnology they created an electrically tunable quantum nano-scale corral that traps charged excitons and enables precise electrical control of tiny light sources, including their brightness, color, and quantum states.

 Carbon nanotube films feature scalable fabrication and facile molding, making them suitable for impact protection applications. A bioinspired nanonetwork strategy combining directional stretching and p‑phenylene benzobisoxazole (PBO) infiltration is adopted to construct dense interlocking structures and enhance the mechanical strength and toughness of films. This work offers a new route to optimize the dynamic properties of carbon-based protective films. 

Near-infrared photodetectors are key components for imaging, sensing, and wearable electronics, but toxic lead-based quantum dots and high dark current have limited their practical use. Now, researchers report a lead-free, eco-friendly AgBiS₂ quantum dot photodetector using a ZnO/MXene bilayer electron transport layer, which achieves record-low dark current, high sensitivity, and excellent near-infrared imaging capability, offering a promising strategy for next-generation environmental-friendly image sensors.

Quasi-one-dimensional (quasi-1D) van der Waals (vdW) materials represent an emerging frontier in nanoscience, yet the synthesis of their metastable phases remains a significant challenge. Now, researchers at Beijing Institute of Technology have developed a kinetically-controlled anion-exchange (KCAE) strategy that, for the first time, produces uniform, wafer-scale (1-inch) films of W₆Te₆ — a metastable quasi-1D material previously inaccessible by conventional methods. By first converting a tungsten film into a stable WS₂ template with vertically aligned grains, then carefully controlling tellurization, the team creates a kinetic barrier that traps the system in the W₆Te₆ phase, preventing it from racing to the thermodynamically stable WTe₂. The method is also compatible with standard photolithography, enabling pre-patterned W₆Te₆ nanostructures.

Singlechain nanoparticle (SCNP) catalysts combine high dispersion and nanoconfinement effects but suffer from poor recyclability. Inspired by worker bees returning to a hive, researchers at Tongji University have developed a dynamic covalent carrier system that releases SCNP catalysts on demand, recovers them after reaction, and retains over 90% catalytic conversion and outstanding selectivity even after 20 cycles. This work opens a new avenue for sustainable, highly efficient nanocatalysis.