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Medical Xpress / Brain network responsible for Parkinson's disease identified

Parkinson's disease, a progressive neurological disorder affecting more than 1 million people in the U.S. and more than 10 million globally, is characterized by debilitating symptoms such as tremors, movement difficulties, ...

Feb 4, 2026 in Neuroscience
Phys.org / Quick test can curb antimicrobial resistance, identifying bacteria and antibiotic susceptibility in under 40 minutes

McGill researchers have developed a diagnostic system capable of identifying bacteria—and determining which antibiotics can stop them—in just 36 minutes, a major advance in the global effort to curb antimicrobial resistance ...

Feb 4, 2026 in Nanotechnology
Medical Xpress / Anticipating aging-related mental decline using saliva samples and AI

As humans age beyond early adulthood, their physical and mental functions tend to slowly worsen over time. One of the most common sources of severe mental decline in older adults are neurodegenerative diseases, conditions ...

Feb 1, 2026 in Gerontology & Geriatrics
Phys.org / Where are Europe's oldest people living? What geography tells us about a fragmenting continent

For over a century and a half, life expectancy has steadily increased in the wealthiest countries. Spectacular climbs in longevity have been noted in the 20th century, correlating with the slump in infectious illnesses and ...

Feb 4, 2026 in Other Sciences
Phys.org / What Olympic athletes see that viewers don't: Machine-made snow makes ski racing faster and riskier

When viewers tune in to the 2026 Winter Olympics, they will see pristine, white slopes, groomed tracks and athletes racing over snow-covered landscapes, thanks in part to a storm that blanketed the mountain venues of the ...

Feb 5, 2026 in Earth
Phys.org / Genetic analysis of Deep Maniot Greeks reveals a unique lineage in the Balkans

A new genetic study has revealed that the people of Deep Mani, who inhabit one of the remotest regions of mainland Greece, represent one of the most genetically distinctive populations in Europe, shaped by more than a millennium ...

Feb 4, 2026 in Other Sciences
Medical Xpress / Protective mechanism discovered in female brain: Switched-off X chromosome can reactivate to reduce disease severity

Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have identified a mechanism that protects the female brain from genetic diseases. Although one of the two X chromosomes is switched off in female cells ...

Feb 2, 2026 in Neuroscience
Phys.org / Honest or deceptive? What a new signaling model means for animal displays and human claims

For decades, scientists have tried to answer a simple question: why be honest when deception is possible? Whether it is a peacock's tail, a stag's roar, or a human's résumé, signals are means to influence others by transmitting ...

Feb 4, 2026 in Biology
Phys.org / Nanocrystal biohybrids harvest light to reduce N₂ gas to ammonia

Ammonia, a key part of nitrogen fertilizers, is central to sustaining global food production. However, its manufacture is also energy intensive: Ammonia production requires 2% of global energy to meet global demand. Approximately ...

Feb 4, 2026 in Nanotechnology
Medical Xpress / Cap-like OLED wearable could prevent hair loss, replacing bulky helmet devices

A new solution that could overcome the limitations of conventional hair-loss treatments is emerging. Heavy and rigid helmet-type phototherapy devices may soon become a thing of the past. A joint research team has developed ...

Feb 4, 2026 in Biomedical technology
Tech Xplore / Extending optical fiber's ultralow loss performance to photonic chips

Caltech scientists have developed a way to guide light on silicon wafers with low signal loss approaching that of optical fiber at visible wavelengths. This accomplishment paves the way for a new generation of ultra-coherent ...

Medical Xpress / Chikungunya vaccine update: Experimental adjuvant-free particles aim to prevent months of joint pain

Griffith University researchers are on the cusp of a new vaccine to prevent chikungunya, a global health threat which attacks human joint tissue. Professor Bernd Rehm, from Griffith's Institute for Biomedicine and Glycomics, ...