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Science News Archive 2024 - Page 8


Page 8 of 484

Safe, powerful, stable: Ultrathin solid electrolyte design for all-solid-state lithium-metal batteries

Researchers developed an electrochemically stable and ultrathin polymer-based solid electrolyte, exhibiting over 2100 hours of stable battery cycling in Li-symmetric cells. The study offers a new approach for fabricating ultrathin solid electrolytes and provides insights into the mechanisms of dendrite-free formation.

SourceSongshan Lake Materials Laboratory·JournalMaterials Futures·DateDec 18, 2024

Sleep apnea linked to changes in the brain

A recent study published in Neurology has found that people with sleep apnea tend to have a larger hippocampus, a region crucial for memory and thinking. The study, which included mostly Latino participants, also discovered that lower oxygen levels during sleep were associated with increased brain volume and white matter hyperintensities.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 18, 2024

Overactive cells linked to type 2 diabetes

A recent study from the University of Missouri found that peripheral chemoreceptors are overactive in adults with type 2 diabetes, leading to increased cardiovascular risk. While high doses of oxygen reduced chemoreceptor activity, it did not improve glucose tolerance or insulin sensitivity.

SourceUniversity of Missouri-Columbia·JournalThe Journal of Physiology·TypeRandomized controlled/clinical trial·DateDec 18, 2024

How one state’s repeal of a prison ‘pay-to-stay’ law could guide national reform

A new study by USC Dornsife researchers reveals how Illinois' repeal of the 'pay-to-stay' law, charging inmates for room and board, can inform national reform efforts. The study found that lawmakers used a pragmatic approach to reform, highlighting the importance of data-driven decision making in advancing criminal justice reform.

SourceUniversity of Southern California·JournalTheoretical Criminology·TypeCase study·DateDec 18, 2024

Michael Courtney of Turku Bioscience Center receives grant for research on SYNGAP1 missense variants and drug repurposing from SynGAP Research Fund (SRF) dba Cure SYNGAP1

Dr. Michael Courtney's team will use advanced phenotyping techniques to assess how SYNGAP1 missense variants impact protein function, focusing on pathogenic or uncertain variants. The project aims to inform therapeutic strategies for patients with SYNGAP1-related disorders through drug repurposing and functional assays.

MouseGoggles offer immersive look into neural activity

Researchers at Cornell University have created mini virtual reality (VR) headsets called MouseGoggles, which allow mice to navigate virtual environments with greater immersion and accuracy. The technology has the potential to reveal insights into spatial navigation and memory function, shedding light on disorders like Alzheimer's disease.

SourceCornell University·JournalNature Methods·DateDec 18, 2024

Improvement initiative increased well-being and reduced inefficiencies for surgical residents

A quality improvement project using Lean methodology at UC San Diego Health reduced unnecessary work hours for surgical residents by 10.2%, improving resident well-being and faculty perception of preparedness. The study's framework can be replicated to support other residency programs in optimizing resident and institutional outcomes.

SourceUniversity of California - San Diego·JournalJournal of the American Medical Association·DateDec 18, 2024

Discovery of β‐nitrostyrene derivatives as potential quorum sensing inhibitors for biofilm inhibition and antivirulence factor therapeutics against Serratia marcescens

Researchers have identified β-nitrostyrene derivatives as potential quorum sensing inhibitors for biofilm inhibition and antivirulence factor therapeutics against Serratia marcescens. The study found that one compound, m-NPe, reduced biofilm formation by 79% and disrupted biofilm architecture.

SourceTsinghua University Press·JournalmLife·DateDec 18, 2024

Unionization efforts by physicians between 2000 and 2024

Between 2000 and 2022, there was a significant increase in physician union petitions filed and certified. However, the number of petitions increased again in 2023, driven by growing concerns about working conditions, physician autonomy, and voice in management, ultimately affecting patient care quality.

SourceJAMA Network·JournalJAMA·DateDec 18, 2024

One pot synthesize cubic polymeric nitrogen at ambient

Researchers have successfully prepared stable polymeric nitrogen materials at ambient conditions using azides as precursors through a thermal treatment process. The yield is significantly higher than that of polymeric nitrogen materials prepared by high pressure methods, making it a promising technique for scale-up preparation.

SourceScience China Press·JournalScience Bulletin·DateDec 18, 2024

New knit haptic sleeve simulates realistic touch

Researchers at Stanford University have designed a comfortable, flexible knit sleeve that simulates realistic touch using pressure-based haptics. The Haptiknit sleeve provides more accurate tactile feedback than vibration-based devices, allowing for smoother navigation, military communication, and rehabilitation.

SourceStanford University·JournalScience Robotics·DateDec 18, 2024

Study reveals the positive link between home kitchens and adolescents’ health

A recent study published in the Journal of Nutrition Education and Behavior reveals a significant influence of home food environments on adolescent dietary patterns. Home food availability, particularly fruits and vegetables, promotes healthier eating habits, while neighborhood fast-food options negatively affect dietary quality.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeData/statistical analysis·DateDec 18, 2024

How do we use STOC-T to assess ocular microcirculation?

Researchers used STOC-T to visualize retinal microcirculation in real-time, providing insights into the mechanisms of retinal function. The study offers a groundbreaking opportunity for precise monitoring of hemodynamic changes in the retina, enabling early detection and treatment of diseases such as Alzheimer's and Parkinson's.

Capybaras found dead from rabies on island in São Paulo state (Brazil) warn of need to monitor virus

A study on capybaras infected with a rabies variant linked to vampire bats has been published in the journal Veterinary Research Communications. The research found that the viral strain was transmitted by vampire bats, which likely fed on the capybaras' blood during habitat disturbance.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalVeterinary Research Communications·DateDec 18, 2024

Brain inflammation alters behaviour according to sex

Researchers found that neuroinflammation in the hippocampus significantly alters motivation and behaviour in mice, particularly in females. This study suggests that treatments targeting hippocampal neuroinflammation could help reduce cognitive and behavioural symptoms in diseases such as Alzheimer's and Depression.

SourceUniversity of Technology Sydney·JournalBrain Behavior and Immunity·TypeExperimental study·DateDec 18, 2024

A Survey on Multimodal Large Language Models

This review summarizes the progress in multimodal large language models, enabling advanced applications like intelligent agents and coding assistants. The training of MLLMs involves three stages: pre-training, instruction-tuning, and alignment tuning, with new techniques addressing hallucinations and human values.

SourceScience China Press·JournalNational Science Review·DateDec 18, 2024

Genetic testing changes course of care in children with neurodevelopmental conditions

A new UCLA Health study found that adding genetic testing to the evaluation of pediatric patients with neurodevelopmental disorders led to more individualized care, including changes in medication, referrals to clinical trials or specialists, and surveillance for potential medical issues.

SourceUniversity of California - Los Angeles Health Sciences·JournalGenetics in Medicine·TypeObservational study·DateDec 18, 2024

Study supports new blood-based biomarker to detect early brain changes leading to cognitive impairment and dementia

A new blood-based biomarker, placental growth factor (PlGF), has been identified as a potential tool for detecting early brain changes associated with cognitive impairment and dementia. Elevated PlGF levels were found to be linked to increased vascular permeability, leading to white matter injury and subsequent cognitive decline.

Nature’s instructions: How fungi make a key medicinal molecule

Researchers from the University of Pennsylvania School of Engineering and Applied Science have discovered a previously unreported enzyme that catalyzes the creation of cyclopentachromone-containing compounds. This breakthrough could potentially lead to the development of new pharmaceuticals for treating cancer and inflammation.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalJournal of the American Chemical Society·TypeExperimental study·DateDec 18, 2024

Old moon with a young crust

A recent study resolves contradictions in the Moon's age and composition. Researchers found that the Moon's crust was melted twice, with the second heating event resetting its geological clock and altering the age of lunar rocks. This discovery sheds light on the Moon's turbulent history and volcanic past.

SourceMax Planck Institute for Solar System Research·JournalNature·TypeComputational simulation/modeling·DateDec 18, 2024