Distributed fiber-optic sensors are widely used to monitor temperature and strain in infrastructure, but their spatial resolution has long been limited. In a new study, researchers from Shibaura Institute of Technology and Yokohama National University, Japan, have demonstrated that operating near a previously avoided frequency regime and suppressing signal distortions allows reflection-based sensing to achieve a world-record spatial resolution of 6 mm among single-end-access configurations. This enables precise monitoring of temperature and strain in infrastructure

Researchers have demonstrated that bridging π-conjugated emissive chromophores with an aromatic fluorinated Zn(II) paddlewheel framework facilitates wide-ranging and reversible luminescence color modulation in the solid state in the presence of mechanical stress and hydrostatic pressure. This step converts a blue-emissive small organic molecule into a multicolor luminescent material. In solution, it behaves as a blue emitter, whereas in the solid state, its emission color changes reversibly over a wide range in response to the environment.

For many years, designing synthetic polymer systems has been inspired by the hierarchical self-assembly of folded proteins into functional nanostructures. However, extending folding-based design principles to small synthetic molecules has remained elusive. In particular, luminescent molecules with complex three-dimensional structures were considered difficult to assemble. Now, researchers from Japan demonstrate that such molecules can undergo folding-mediated self-assembly to form highly ordered nanotubes. These structures exhibit unique multidirectional energy transport, highlighting their potential for advanced optoelectronic applications.

Cutinases are fungal enzymes that naturally degrade plant cuticles and show promise for recycling plastics. However, they must balance structural rigidity to withstand high temperatures with flexibility required for catalysis. Now, researchers have investigated the structural basis of catalytic activation in a heat-tolerant cutinase, CtCut, from the fungus Chaetomium thermophilum and found that a rigid core supports stability while a flexible lid is associated with catalytic function, offering insights for improving enzymes for plastic recycling.

Maze magnetic domains in soft magnetic materials strongly influence energy loss in electric motors, particularly at high temperatures. However, existing models struggle to explain their complex, temperature-dependent behavior. To address this gap, researchers developed an entropy-extended Ginzburg-Landau model combined with data-driven analysis to study these structures. The approach reveals how entropy and energy interactions drive magnetization reversal and increasing domain complexity, providing new insights into magnetic energy-loss mechanisms.

Researchers have developed a new method to measure the small forces exerted by light with high precision. Using this approach, they discovered a surprising phenomenon in which light can twist tiny objects sideways, in a direction perpendicular to the light's direction of travel.

A research team from the Okinawa Institute of Science and Technology (OIST) has simulated and extended a famous quantum phenomenon , the Aharonov–Bohm effect, using a simple water tank. By sending water waves toward a swirling vortex from opposite directions of the tank, the team observed flat, rotating lines of water that radiate across the whole tank. This classical analogue offers a visually accessible way of studying how the quantum world behaves. 

The way scientists name and classify organisms is often seen as neutral, but it’s shaped by the cultural and intellectual traditions of the scientists themselves. A new study introduces the concept of “taxonomic Graecism,” the preference for names based on ancient Greek, and provides the first comprehensive etymological analysis covering all 773 families within the phylum Mollusca. Analysis reveals a strong dominance of Greek over Latin, particularly among European scientists, along with broader patterns such as limited use of personal names and a tendency to honor individuals from the same country. These findings suggest taxonomy reflects not only biological knowledge, but also historical biases and social structures within science. 

An Ehime University research group has discovered that antiaromatic molecules, typically unstable, can form stable dimers through π-stacking. The homoHPHAC cation, despite its positive charge, adopts a slightly offset stacked structure. This interaction induces electronic reorganization, partially attenuating antiaromaticity. The findings reveal a new mode of molecular assembly for antiaromatic molecules and provide insights for designing functional π-conjugated materials.

Students learning English as a foreign language are often hesitant or unwilling to communicate in English, delaying the achievement of their learning goals. A new study from Doshisha University identifies classroom support from teachers, peers, and the students themselves to be vital to a learner’s willingness to communicate in English. The study provides actionable insights for meeting the learner’s psychological needs and creating a supportive environment in classrooms, promoting effective learning of English.