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Science News for May 3, 2026


Central nervous system a key player in diabetes pain

More than 50% of people with diabetes develop diabetic peripheral neuropathy, which causes painful sensations like burning, tingling, or shooting pains. The brain and spinal cord can also contribute to pain, as their pain-blocking systems are less effective in people with diabetes.

SourceMurdoch University·JournalJournal of Diabetes·TypeMeta-analysis·DateMay 3, 2026

NUS scientists unveil a faster way to “train” bacteria for complex tasks, like munching plastics

Researchers at NUS create Lytic Selection and Evolution (LySE) platform, harnessing modified bacteriophage to rapidly create and test genetic changes. After five cycles, plastic degradation improved by over 50%, demonstrating a faster and more controllable method for training bacteria to consume plastics.

SourceNational University of Singapore·JournalNature Microbiology·TypeExperimental study·DateMay 3, 2026

Aging well in a digital world

A new study highlights the importance of involving older people in technology design to ensure devices are useful, respectful, and culturally appropriate. Co-design helps build trust and ensures technologies support older people's autonomy and dignity.

SourceFlinders University·JournalDigital Health·TypeCommentary/editorial·DateMay 3, 2026

KAIST: AI learns to say “I’m not sure” … reducing overconfidence and improving reliability​

A new approach has been proposed to address the problem of overconfidence in AI, enabling it to recognize situations involving unfamiliar or unseen knowledge. By incorporating key principles of brain development, AI can develop the ability to distinguish 'what it knows' from 'what it does not know', a crucial step towards meta-cognition.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature Machine Intelligence·TypeMeta-analysis·DateMay 3, 2026
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

How “digital twins” could help predict the fate of a forest

Researchers at Michigan State University have developed a digital twin tool that uses AI and laser mapping to test different management strategies in simulated pine forests. The tool predicts trunk diameter and volume with high accuracy, enabling targeted treatments to minimize waste and bolster financial returns.

SourceMichigan State University·JournalJournal of Forestry·TypeComputational simulation/modeling·DateMay 3, 2026

Sustained reduction in abdominal fat preserves cognitive function

A long-term MRI study finds that lower accumulation of visceral fat is associated with preservation of key brain structures, better cognitive performance, and slower brain atrophy. The study suggests that glucose control and insulin sensitivity mediate the relationship between abdominal fat and brain aging.

SourceBen-Gurion University of the Negev·JournalNature Communications·TypeRandomized controlled/clinical trial·DateMay 3, 2026

Non-destructive homogeneity measurement for transparent cylindrical materials without slicing

A new method for measuring homogeneity in transparent cylindrical materials has been developed, allowing for non-destructive inspection without slicing. This approach significantly reduces costs and improves quality control, making it suitable for industries such as semiconductor manufacturing and medical imaging.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight: Advanced Manufacturing·DateMay 3, 2026

Wafer-level manufactured meta-aspheric lens enables ultracompact wide-FOV near-infrared imaging

A team of scientists developed a wafer-level-manufactured meta-aspheric lens that achieves simultaneous wide field-of-view, ultrathin form factor, and high imaging quality. The design enables compact near-infrared imaging systems with robust performance in eye tracking, blood vessel imaging, and computational pixel super-resolution tasks.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight: Advanced Manufacturing·DateMay 3, 2026
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

New treatment with fewer side effects reduces breast density

A new study from Karolinska Institutet shows that low doses of endoxifen reduce breast density to the same extent as tamoxifen without causing severe side effects. The results suggest a lower dose may be sufficient for therapeutic effect while being better tolerated.

SourceKarolinska Institutet·JournalJNCI Journal of the National Cancer Institute·TypeRandomized controlled/clinical trial·DateMay 3, 2026