Researchers in Japan explored whether a wearable, neck-mounted camera could offer a new way to document and review performance during Objective Structured Clinical Examination. Focusing on a procedure that requires careful observation of hand movements and technique, the pilot study examined the feasibility of capturing assessments from the examiner’s perspective and its potential role in future clinical skills evaluation. The findings provide new insights into how wearable technologies could support assessment practices in medical education.

Cells can spontaneously change shape even without external signals, but the underlying mechanisms behind this form of self-organization have remained unclear. Now, researchers from Japan have discovered self-propelled treadmilling actin filaments (SpTAs), mobile protein assemblies that function as self-propelled particles. Their study shows that even though SpTAs move randomly, they push the cell membrane outward and accumulate to grow protrusions, thereby defining the overall shape of the cell.

A new electrochemical system simultaneously converts plant-derived materials and nitrate pollutants into valuable industrial chemicals. Developed by Tohoku University researchers, the system provides a more sustainable way to manufacture chemicals while helping address wastewater pollution.

Hydrogen can store renewable energy, but then what stores the hydrogen? A new AI-powered, logic-based method provides probable materials for the job – and explains the reasoning behind its decision.

The study discovered that soil pH is a key factor in regulating the symbiotic relationship between pests and soil bacteria.

Researchers at the University of Osaka found that direct survey questions may overstate negative attitudes toward the news media in Japan. In two web-based randomized experiments, 45.1% of respondents agreed that “the mass media are harmful to society” when asked directly, compared with an indirect estimate of 29.7% from a list experiment. The findings suggest that, where media criticism is easy to express, direct questions may inflate anti-media sentiment.

Magnetic fields are generally known to destroy superconductivity in a material. However, in exceptional cases they can lead to what is known as “reentrant superconductivity”— where superconductivity disappears as expected but then unexpectedly returns when the magnetic field is increased further. This behavior is sometimes seen in bulk, three-dimensional materials, but now, researcher have seen the phenomenon in a very thin conducting layer at the boundary between two insulating oxide materials.

Pollinators are commonly classified into functional groups based on similarities in morphology and behavior, under the assumption that such groupings reflect comparable contributions to plant reproduction. Researchers at University of Tsukuba challenge this conventional assumption by analyzing pollen carried on insect bodies. The team found that even among morphologically similar pollinators differed substantialy in both the types and composition of pollen they transported. These differences suggest considerable variation in floral fidelity—the tendency to repeatedly visit specific plant species—and may also affect the potential for heterospecific pollen transfer (HPT).

New experimental evidence demonstrates that discrete space-time crystals can be realized in classical soft-matter systems, thereby moving beyond the traditional complexities of quantum mechanics.

A tandem neural network capable of inferring key physical parameters of semiconductor materials from simple transistor measurements has been developed, as reported by researchers from Institute of Science Tokyo. While conventional approaches for this type of analysis require hours or even days, the proposed system produces results in under one millisecond with near-perfect accuracy.