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Phys.org / Decapitated fossil fish with guts still intact reveal ancient predatory habits

In a study appearing in Fossil Record, researchers Martin Ebert and Martina Kölbl-Ebert analyzed the remains of a unique fossil type: the decapitated head of Aspidorhynchus, with its gastrointestinal tract (guts) still attached. ...

Nov 19, 2025 in Biology
Medical Xpress / Depression tied to immune system imbalance, not just brain chemistry

Major depressive disorder (MDD) is characterized by a lowered mood and loss of interest, contributing not only to difficulties in academic and professional life but also as a major cause of suicide in South Korea. However, ...

Nov 20, 2025 in Psychology & Psychiatry
Medical Xpress / A two-minute fix for procrastination

You know that assignment, message or email you keep avoiding—the one that lingers in the back of your mind even as you scroll, tidy or "just check one more thing"? New research from UC Santa Barbara offers a science-backed ...

Nov 21, 2025 in Psychology & Psychiatry
Tech Xplore / Microrobots overcome navigational limitations with the help of 'artificial spacetimes'

Microrobots—tiny robots less than a millimeter in size—are useful in a variety of applications that require tasks to be completed at scales far too small for other tools, such as targeted drug-delivery or micro-manufacturing. ...

Nov 19, 2025 in Robotics
Phys.org / When gifts sting: Self-improvement presents may spark backlash and bad reviews

New research from FIU Business shows that well-intended presents like weight-loss teas or gym memberships can unintentionally send the wrong message—and ultimately trigger negative online reviews that hurt brands.

Nov 22, 2025 in Other Sciences
Phys.org / Violence against women and children is deeply connected. Three ways to break the patterns

In South Africa, intimate partner violence is the most common form of violence against women, and it is pervasive. According to the National Gender-Based Violence Prevalence Study, 24% of women aged 18 and older have experienced ...

Nov 23, 2025 in Other Sciences
Phys.org / Seeing the hidden microbial world beneath our feet—from the sky

A new study by Dr. Angela Harris from The University of Manchester and Professor Richard Bardgett from Lancaster University has revealed that scientists can now detect the hidden world of microbes living in the soil—from ...

Nov 20, 2025 in Biology
Phys.org / New membrane sets record for separating hydrogen from CO₂

When designing membranes that separate industrial gases, scientists often incorporate structures that attract the gas they want to obtain. This attraction can enhance the membrane's permeability, and help isolate the desired ...

Nov 21, 2025 in Chemistry
Phys.org / A pair of snowy owls spotted along Lake Michigan beach draws crowds in Chicago

A pair of snowy owls spotted along a Lake Michigan beach has drawn curious crowds and sparked happy speculation about how long the Arctic birds of prey will call Chicago home.

Nov 23, 2025 in Biology
Medical Xpress / Astrocytes clear amyloid plaques and preserve cognitive function in Alzheimer's mouse models

Researchers at Baylor College of Medicine have discovered a natural mechanism that clears existing amyloid plaques in the brains of mouse models of Alzheimer's disease and preserves cognitive function. The mechanism involves ...

Nov 21, 2025 in Neuroscience
Phys.org / Could new tenants' rights usher in rent controls? Here's why that wouldn't necessarily be a positive

Housing and high rental costs have been a major issue for the UK in the past decade. While other countries have moved toward protections for renters, rent control has not been a widespread feature of the British rental market ...

Nov 23, 2025 in Other Sciences
Medical Xpress / Microglia modulate the reactivity of astrocytes in Alzheimer's disease, study finds

Alzheimer's disease (AD) is a highly debilitating neurodegenerative disease characterized by the progressive loss of memory and decline of mental functions. Earlier research has uncovered some of the neural and biological ...