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Science News Archive August 2025 - Page 17


Page 17 of 45

Breakthrough discovery reveals how connection between mitochondrial vulnerability and neurovasculature function impacts neuropsychiatric disease

Researchers from the University of Pennsylvania School of Veterinary Medicine and Children's Hospital of Philadelphia discovered a link between mitochondrial dysfunction in the blood-brain barrier and neuropsychiatric disease in patients with 22qDS. Treatment with bezafibrate, a cholesterol drug, may enhance BBB function and correct so...

SourceChildren's Hospital of Philadelphia·JournalScience Translational Medicine·TypeExperimental study·DateAug 20, 2025

Ad hominem attacks are the most common way users confront content they perceive as wrong in comment sections beneath news videos, with over 40% of analyzed comments relying on reputation-based insults to oppose earlier replies

Researchers found that ad hominem attacks are the most common way users confront perceived errors in comment sections, with a reliance on reputation-based insults. The study highlights the prevalence of this tactic and its implications for online discourse.

SourcePLOS·JournalPLOS One·DateAug 20, 2025

Fullerene's role as an efficient, metal-free catalyst for clean energy

Researchers at Tohoku University found that C60 fullerene can serve as an active catalytic site for CO2 electroreduction, improving the efficiency of reactions like hydrogen evolution and carbon dioxide reduction. The discovery opens new possibilities for designing efficient, metal-free catalysts to combat climate change.

SourceAdvanced Institute for Materials Research (AIMR), Tohoku University·JournalAngewandte Chemie International Edition·DateAug 20, 2025

Outsmart an island fox? Not so fast

Most Channel Islands foxes developed larger brains to adapt to survival demands in isolated conditions, defying the assumption that island animals have smaller brains. Brain size appeared to be shaped more by local habitat conditions than isolation or island size alone.

SourceUniversity of Southern California·JournalPLOS One·TypeComputational simulation/modeling·DateAug 20, 2025

Earth System Models project the start of the Amazon dieback within the 21st century

A new study projects the start of Amazon dieback as early as the 21st century under high-emission scenarios, triggered by extreme conditions and global warming levels above 1.5°C. The Amazon's natural water recycling system is weakened, leading to hotter and drier conditions that can no longer sustain dense vegetation.

SourceNational Institute for Environmental Studies·JournalCommunications Earth & Environment·TypeData/statistical analysis·DateAug 20, 2025

Regulating the coordination environment of H2O in hydrogel electrolyte for a high-environment-adaptable and high-stability flexible Zn devices

Researchers have developed a hydrogel electrolyte that regulates the coordination environment of water molecules, enabling high-stability and flexibility in zinc-based devices. This breakthrough can lead to advanced energy storage solutions for extreme environments.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateAug 20, 2025

How large language models need symbolism

Experts argue that large language models require symbolic representation to excel in complex tasks, citing examples like the Pirahá people and Leibniz's calculus notation. The proposed approach, known as neuro-symbolic synthesis, combines statistical intuition with human-designed symbol systems for efficient reasoning.

SourceScience China Press·JournalNational Science Review·DateAug 20, 2025

Mandatory media literacy education in Illinois schools impaired by digital divides

A recent study found that digital divides between teachers and students in Illinois high schools undermine the effectiveness of state-mandated media literacy instruction. The researchers suggest that educators must consider students' lived experiences when teaching media literacy, given differing access to platforms and perceptions of ...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Media Literacy Education·TypeSurvey·DateAug 20, 2025

Researchers use electrochemistry to boost nuclear fusion rates​​​​

Researchers at the University of British Columbia have demonstrated that electrochemically loading a solid metal target with deuterium fuel can increase fusion reaction rates by an average of 15%. The approach uses a room-temperature reactor and achieves this boost without generating heat, paving the way for clean energy generation.

SourceUniversity of British Columbia·JournalNature·TypeExperimental study·DateAug 20, 2025

Fat cells under false command

A team of researchers from Bonn investigated the influence of primary cilia dysfunction on adipocyte precursor cells in a mouse model. They found that overactivation of the Hedgehog signaling pathway causes abnormal development into connective tissue-like cells instead of white fat cells.

SourceUniversitatsklinikum Bonn·JournalThe EMBO Journal·DateAug 20, 2025

Inflammation and aging: Looking through an evolutionary lens

A recent study published in Proceedings of Royal Society B found minimal age-related inflammation among the Tsimane people in the Bolivian Amazon, who live a traditional hunter-farmer lifestyle. In contrast, the Moseten community, genetically similar to the Tsimane but with significant modernization, showed increased inflammation.

SourceArizona State University·JournalProceedings of the Royal Society B Biological Sciences·DateAug 20, 2025

Omega-3’s could protect women against Alzheimer’s

A recent study published in Alzheimer's & Dementia found that women with Alzheimer's disease have a notable loss of unsaturated fats, such as omega-3 fatty acids, in their blood compared to healthy women. This suggests that lipids containing omega-3 fatty acids may play a crucial role in the risk for Alzheimer's between the sexes.

SourceKing's College London·JournalAlzheimer’s & Dementia·TypeExperimental study·DateAug 20, 2025

New wastewater tech tackles fatbergs at the source

Researchers from RMIT University have developed a new wastewater treatment system that targets all fat types, including hard-to-remove emulsified fats, and achieves up to 98% fat removal rates in commercial kitchen wastewater. The system combines a redesigned grease interceptor with smart chemical treatment.

SourceRMIT University·JournalACS ES&T Water·TypeExperimental study·DateAug 20, 2025

Biodiversity credits need transparency and regulation to have impact and credibility

A new study by University of Nottingham scientists assesses biodiversity credit suppliers against six integrity criteria, finding notable weaknesses in verifiable outcomes and risk disclosure. The authors advocate for transparent governance and harmonized data collection protocols to ensure credibility and impact.

SourceUniversity of Nottingham·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateAug 20, 2025

AI model developed by Dresden research team simultaneously detects multiple genetic colorectal cancer markers in tissue samples

A novel AI model developed by the Dresden research team simultaneously detects multiple genetic alterations directly from routinely stained histological colon cancer tissue sections. The model recognized shared visual patterns rather than independently identifying individual genetic alterations.

SourceTechnische Universität Dresden·JournalThe Lancet Digital Health·DateAug 20, 2025

Breaking new ground in stealth technology: KRISS develops core radar components domestically

Korea Research Institute of Standards and Science (KRISS) has successfully localized core Radar Stealth technologies through indigenous development. The institute developed a Frequency Selective Surface design software and an electromagnetic wave evaluation system for radomes, laying the foundation for stealth weapon systems in Korea.

SourceNational Research Council of Science & Technology·JournalIEEE Transactions on Microwave Theory and Techniques·DateAug 20, 2025

With human feedback, AI-driven robots learn tasks better and faster

Researchers at UC Berkeley developed an AI-powered training method called Human-in-the-Loop Sample Efficient Robotic Reinforcement Learning (HiL-SERL) that enables robots to perform complicated tasks with precision and speed. With human feedback, robots learn from demonstrations and real-world attempts, achieving a 100% success rate in...

SourceUniversity of California - Berkeley·JournalScience Robotics·TypeExperimental study·DateAug 20, 2025

Historic $64 million NIH Award for Palliative Care Research ushers in new era; Icahn School of Medicine at Mount Sinai to lead

The Icahn School of Medicine at Mount Sinai has been awarded a five-year, $64 million grant to establish the Advancing the Science of Palliative Care Research Across the Lifespan (ASCENT) consortium. The consortium will support high-quality research for enhancing care for people living with serious illness and their caregivers.