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#1151Medicine & HealthFront Page14 November 2025

Scientists Forge New Metric to Quantify Plastic's Harm to Marine Life

Researchers have developed a 'global effect factor', a new universal metric to precisely quantify the harm plastic ingestion causes to marine mammals, seabirds, and sea turtles. This breakthrough provides a standardised way to include the physical impacts of plastic in formal Life Cycle Assessments, allowing it to be weighed against other environmental threats.

By Marhoon A, Murphy EL, Høiberg MA, Borgelt J, Dorber M, Verones F.

#1152Genetics & Molecular BiologyFront Page17 November 2025

Decoding the Molecular Shift Behind Aggressive Brain Tumours

Researchers have identified specific molecular mechanisms that cause some recurring meningiomas to transform into malignant cancers while others remain low-grade. By analysing paired tumour samples, the study revealed that malignant transformation is driven by increased genetic mutations and distinct DNA methylation patterns that appear even before the disease recurs. These findings could pave the way for better prognostic tools to predict tumour aggression.

By Ohara, Miyawaki, Teranishi, Komura, Okano, Hongo, Dofuku, Ishigami, Sakai, Shimada, Katoh, Nagae, Ikemura, Ushiku, Morishita, Suzuki, Shin, Nakatomi, Ishikawa, Aburatani, Saito

#1153Environmental ScienceFront Page20 November 2025

Microplastics Stunt Sea Urchin Growth, Yet Recovery Remains Possible

New research reveals that polystyrene fragments from disposable plates cause severe developmental malformations in sea urchin larvae by disrupting critical gene networks. However, the study notably finds that these toxic effects are reversible, with embryos showing an ability to recover once the plastic contamination is removed.

By Amato, Gioia, Liotta, Cocca, Caramiello, Manfra, Libralato, Esposito, Zupo, Costantini

#1154Computer Science & AIFront Page25 November 2025

New AI Trio Maps Brain Age with Unprecedented Precision

Researchers have developed NeuroAgeFusionNet, a hybrid deep learning framework that combines three distinct AI architectures to estimate biological brain age from MRI scans. By accurately capturing complex structural connectivity patterns, this tool achieves state-of-the-art performance for early neurodegenerative disease detection.

By Sowmya, Dutta

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