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Science News Archive 2024 - Page 81


Page 81 of 484

Toddlers understand concept of possibility

Two- and three-year-old children distinguish between improbable and impossible events, demonstrating an understanding of possibility. They learn significantly better after experiencing impossible occurrences, which drives them to search for explanations.

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateNov 4, 2024

Unlocking next-gen chip efficiency: UVA researchers confirm thermal insights for tiny circuits

Researchers at the University of Virginia have confirmed a key principle governing heat flow in thin metal films, paving the way for advancements in technology and more efficient devices. The study validated Matthiessen's rule in ultra-thin copper films, providing a blueprint to mitigate thermal bottlenecks.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalNature Communications·TypeExperimental study·DateNov 4, 2024

With the help of AI, UC Berkeley researchers confirm Hollywood is getting more diverse

Researchers used facial recognition technology to track actor screen time in over 2,300 films, confirming a shift towards greater diversity. The study found that individual film casts are becoming more diverse, with non-leading roles exhibiting more variety than leading ones.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateNov 4, 2024

Virginia Tech researchers find menthol restrictions may drive smokers to healthier alternatives

Researchers at Virginia Tech's Fralin Biomedical Research Institute found that restricting menthol cigarettes led to an increase in the purchase of nicotine replacement options. This shift is likely due to the fact that menthol flavors are perceived as more appealing, making alternative products a practical substitute.

SourceVirginia Tech·JournalDrug and Alcohol Dependence·TypeExperimental study·DateNov 4, 2024

New research identifies ways to protect neurons from the negative effect of high-fat diet on multiple sclerosis progression

Researchers found that specific enzymes in neurons mediate the toxicity of diets rich in palm oil, leading to mitochondrial damage and neurodegeneration. Inactivating these enzymes provides neuroprotection, suggesting a potential pathway for slowing diet-induced symptom severity in MS patients.

SourceAdvanced Science Research Center, GC/CUNY·JournalGlia·TypeExperimental study·DateNov 4, 2024

Remote medical interpreting is a double-edged sword in healthcare communication

A recent study from the University of Surrey found that remote medical interpreting (RMI) can compromise the quality of communication in healthcare settings. Interpreters reported mixed experiences with technology during the COVID-19 pandemic, highlighting the need for careful consideration of interpreting methods based on the nature o...

SourceUniversity of Surrey·JournalPerspectives·TypeObservational study·DateNov 4, 2024

Synthetic genes engineered to mimic how cells build tissues and structures

Scientists have engineered synthetic genes that can assemble into complex biomaterials like nanoscale tubes, using a modular approach similar to building furniture. This breakthrough enables the creation of distinct materials that can spontaneously develop from a finite set of parts by rewiring the timing of molecular instructions.

SourceUniversity of California - Los Angeles·JournalNature Communications·TypeExperimental study·DateNov 4, 2024

Federal government may be overpaying for veterans’ health care in Medicare Advantage plans

A new study by Harvard T.H. Chan School of Public Health suggests that the federal government may be paying for veteran healthcare twice due to high-veteran Medicare Advantage plans. The research found that nearly one in five veterans enrolled in these plans did not incur any Medicare services, highlighting concerns about inefficient s...

SourceHarvard T.H. Chan School of Public Health·JournalHealth Affairs·TypeData/statistical analysis·DateNov 4, 2024

An old drug with new tricks

A new study by MUSC researchers reveals how cancer cells develop resistance to hydroxychloroquine, an anti-malarial drug repurposed for cancer therapy. The findings suggest that targeting specific metabolic and export pathways can prevent resistance, opening the door for novel combination therapies.

SourceMedical University of South Carolina·JournalCell Cycle·TypeExperimental study·DateNov 4, 2024

Decadal climate patterns reveal new insights into tropical cyclone formation and ENSO link

A new study reveals how decadal-scale climate fluctuations impact tropical cyclone frequency in response to ENSO events. The FGOALS-g3 large ensemble model shows improved performance in capturing the ENSO-affected cyclone activity, highlighting the importance of accounting for decadal variability.

Megan Huisingh-Scheetz, MD, MPH, of the University of Chicago recognized with AFAR’s Terrie Fox Wetle Rising Star Award in Health Services and Aging Research

Dr. Megan Huisingh-Scheetz, a researcher at the University of Chicago, has received the AFAR Terrie Fox Wetle Rising Star Award for her groundbreaking work on frailty science and technology-based solutions to support older adults. Her research focuses on harnessing health services research to fuel frailty implementation and innovation.

Scientists determine why some patients don’t respond well to wet macular degeneration treatment, show how new experimental drug can bridge gap

Researchers have identified a new experimental drug that can bridge the gap between patients with wet age-related macular degeneration (AMD) and existing treatments. The drug, 32-134D, decreases levels of a key protein involved in AMD, leading to improved vision outcomes.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateNov 4, 2024

Small reductions to meat production in wealthier countries may help fight climate change, new analysis concludes

Researchers suggest that small cutbacks in higher-income countries could remove 125 billion tons of carbon dioxide from the atmosphere, allowing forests to regrow and sequester more CO2. This approach would require cutting global cattle herds by less than half, while still maintaining livestock grazing on native grasslands.

SourceNew York University·JournalProceedings of the National Academy of Sciences·DateNov 4, 2024

Hospital COVID-19 burden and adverse event rates

A cohort study found that hospital COVID-19 burden was associated with an increased risk of in-hospital adverse effects among patients with and without COVID-19. The results highlight the importance of hospitals having greater resilience and surge capacity to prevent declines in patient safety during surges in demand.

SourceJAMA Network·JournalJAMA Network Open·DateNov 4, 2024

Beta cells: New insights into the structure, interactions and neuronal networking of primary cilia

Research reveals the structural features of beta cell primary cilia, including microtubule organization and interactions with neighboring cells. The findings suggest that primary cilia play a crucial role in signal transmission and networking of beta cells with other islet cells, potentially linking to type 2 diabetes pathogenesis.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalNature Communications·TypeImaging analysis·DateNov 4, 2024

Scientists create a world-first 3D cell model to help develop treatments for devastating lip injuries

Researchers successfully immortalized lip cells, enabling the development of clinically relevant lab-based models to test treatments for lip injuries and infections. The 3D cell model was tested with Candida albicans yeast, showing promising results for wound healing and infection studies.

SourceFrontiers·JournalFrontiers in Cell and Developmental Biology·TypeExperimental study·DateNov 4, 2024

Researchers develop reinforcement learning-based enhanced sampling method for studying dynamic systems

A new reinforcement learning-based enhanced sampling method, Adaptive Collective Variables Generator (Adaptive CVgen), has been developed to capture the dynamic evolution of microscopic systems. The method offers precise and localized views of system evolution, detecting minute local changes in protein folding and chemical reactions.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateNov 3, 2024

Single-cell RNA-seq reveals the transcriptional program underlying tumor progression and metastasis in neuroblastoma

A recent study using single-cell RNA sequencing has identified a 'starter' subpopulation of tumor cells responsible for initiating metastasis in neuroblastoma. The research also uncovered a 150-gene signature associated with poor prognosis, which may inform future therapeutic strategies.

SourceHigher Education Press·JournalFrontiers of Medicine·TypeExperimental study·DateNov 3, 2024

How to simultaneously achieve privacy-preservation, byzantine-resilience and verifiability in federated learning?

A new research has proposed a Byzantine-Resilient and Verifiable Aggregation for Differentially Private Federated Learning, addressing the limitations of existing protocols. The approach achieves privacy-preservation, byzantine-resilience and verifiability through three primary methods: DPFA, DPLoss, and DPVeri.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateNov 3, 2024