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Science News Archive December 2024 - Page 6


Page 6 of 39

Effect of somatosensory electrical stimulation on hand choice

Researchers at Waseda University found that somatosensory electrical stimulation on the wrist can bias subsequent motor decisions, increasing the likelihood of using the stimulated hand. This phenomenon highlights a connection between sensory input and motor choices, with potential implications for individuals with motor impairments.

SourceWaseda University·JournalScientific Reports·TypeExperimental study·DateDec 19, 2024

AI system unveils hidden drug dark jargon unknown even to police officers

A new AI system has been developed to detect compound-type dark jargons on social media, which are used by offenders to evade detection. The system achieves a 7% improvement in accuracy and identifies 93% of newly detected dark jargons as previously unknown, highlighting its potential to reveal emerging terms.

SourceThe University of Electro-Communications·JournalJournal of Information Processing·TypeData/statistical analysis·DateDec 19, 2024

Cold-related deaths in the US

A study published in JAMA found that cold-related deaths increased by over 100% in the US between 1999 and 2022, with factors such as homelessness, social isolation, and substance use playing a role. The authors suggest that further research is needed to understand the underlying drivers of this trend.

SourceJAMA Network·JournalJAMA·DateDec 19, 2024

Innovative 3D printed scaffolds offer new hope for bone healing

Researchers developed novel 3D printed PLA-CaP scaffolds that support angiogenesis, reducing bone scarring and improving healing outcomes. In vitro tests showed stimulated vascular endothelial growth factor secretion and maintained calcium ion release, while in vivo testing demonstrated good integration and blood vessel infiltration.

SourceInstitute for Bioengineering of Catalonia (IBEC)·JournalBiomaterials Advances·TypeExperimental study·DateDec 19, 2024

A surgical fix to greenhouse gases

A University of Pittsburgh study uses life-cycle assessment to measure the environmental impact of ACL reconstruction and identify opportunities for reduction. The investigation highlights the significant carbon footprint of complex medical processes, emphasizing the need for sustainable innovations in healthcare.

SourceUniversity of Pittsburgh·JournalClinical Orthopaedics and Related Research·TypeExperimental study·DateDec 19, 2024

Houston Methodist scientists make surprising discovery pinpointing when good cholesterol becomes harmful

A study led by Henry J. Pownall and Khurram Nasir found a strong link between the amount of free cholesterol in HDL and its accumulation in macrophages, which can contribute to heart disease. The researchers aim to develop new diagnostics and treatments for managing heart disease using HDL-free cholesterol as a biomarker.

SourceHouston Methodist·JournalJournal of Lipid Research·TypeExperimental study·DateDec 19, 2024

Potential culprit identified in lingering Crohn’s disease symptoms

A study by Michigan Medicine researchers suggests that sulfur-producing bacteria may be behind lingering Crohn's disease symptoms, even in the absence of inflammation. The study found that these bacteria can lead to increased visceral hypersensitivity and altered intestinal permeability, contributing to persistent symptoms.

SourceMichigan Medicine - University of Michigan·JournalInflammatory Bowel Diseases·TypeObservational study·DateDec 19, 2024

Men and residents of higher crime areas see greater benefit from community parks, in reduction of deaths from heart disease

A recent study published at Drexel University found that neighborhoods with more greenspace and tree canopy cover have lower rates of heart disease deaths, particularly among men. The researchers also discovered that violent crime plays a modifying role in influencing the health benefits from greenspace.

SourceDrexel University·JournalHealth & Place·TypeObservational study·DateDec 19, 2024

Seasonal flu vaccine study reveals host genetics’ role in vaccine response and informs way to improve vaccine

A recent study found that host genetics, particularly major histocompatibility complex (MHC) class-II polymorphisms, drives individual differences in influenza vaccine response. The research also presents a novel vaccine platform that broadens antibody and T cell responses against diverse influenza subtypes.

Organic electrolyte for high output liquid thermoelectric converter

Researchers have developed a new strategy to increase the output of liquid thermoelectric converters using organic electrolytes. By breaking down electrolyte resistance into its components, they reduced resistance and demonstrated a prototype with equal or greater output than aqueous solutions. The team plans to expand their search for...

SourceIndustrial Chemistry & Materials·JournalIndustrial Chemistry and Materials·TypeExperimental study·DateDec 19, 2024

Antibody that neutralizes inhibitory factors involved in nerve regeneration leads to enhanced motor function after acute spinal cord injury

A clinical trial showed that an antibody blocking Nogo-A protein improves motor function in patients with incomplete spinal cord injuries. The treatment led to significant improvements in voluntary muscle activation and everyday life functional independence. Further studies are needed to confirm the findings.

SourceUniversity of Zurich·JournalThe Lancet Neurology·TypeRandomized controlled/clinical trial·DateDec 19, 2024

Study links vaginal microbiome differences to higher cervical cancer rates in Native American women

Researchers found that protective Lactobacillus microorganisms were present at lower rates in Native American women compared to non-Native women. This disruption in the vaginal microbiome increased the risk of human papillomavirus infection, leading to higher cervical cancer rates among Native American women.

SourceUniversity of Arizona Health Sciences·JournalCancer Prevention Research·TypeRandomized controlled/clinical trial·DateDec 19, 2024

Study shows role of cells’ own RNA in antiviral defense

Researchers found that cellular RNA molecules help regulate antiviral signaling by activating the MAVS signalosome. This signaling pathway is crucial for coordinating immune responses against virus invasion. The study's findings suggest a potential role for RNA-based therapeutics in combating infections and autoimmune diseases.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalScience·TypeExperimental study·DateDec 19, 2024

Cultural differences account for starkly different responses to COVID-19

The study highlights cultural defaults, such as individualism and social choice, which led to divergent COVID-19 responses in the US and East Asian countries. These cultural factors contributed to massive variations in COVID-related deaths, with East Asian countries experiencing significantly lower death tolls.

SourceAssociation for Psychological Science·JournalPsychological Science in the Public Interest·TypeLiterature review·DateDec 19, 2024

More is not always better: Hospitals can reduce the number of hand hygiene observations without affecting data quality

A study found that hospitals can reduce hand hygiene observations from 200 to as few as 50 per unit per month without compromising data quality. This reduction could free up time and resources for meaningful performance improvement and enhance the quality of reported data.

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·DateDec 19, 2024

New study highlights ethical challenges in conducting cannabis research in Canada

A recent study published in Social Science & Medicine reveals the complexities of conducting cannabis research in Canada, where researchers face structural barriers and concerns about scientific integrity. The study suggests key solutions to increase public funding, enhance transparency, and promote independence in research.

SourceCentre for Addiction and Mental Health·JournalSocial Science & Medicine·TypeSurvey·DateDec 19, 2024

Large Hadron Collider regularly makes magic

A brotherly research duo has discovered a property known as magic when the LHC produces top quarks, which has implications for quantum computing and the development of quantum computers. The study explores how difficult it is for non-quantum computers to calculate quantum systems, with higher magic levels requiring more quantum computers.

Graz University of Technology develops modular timber high-rise building for resource-efficient construction

The Graz University of Technology has developed a modular timber high-rise building system that combines prefabricated 3D timber modules with open load-bearing structures. This allows for flexible adaptations, extended operating life, and reduced resource consumption. The system enables targeted repairs and replacements of individual m...

SourceGraz University of Technology·TypeNews article·DateDec 19, 2024

Machine psychology – a bridge to general AI

Robert Johansson's Machine Psychology concept combines adaptive artificial intelligence with psychological learning principles to create a more intelligent AI system. The goal is to implement human-like intelligence in machines, enabling them to learn from experiences and apply knowledge across various situations.

Colored nuclei reveal cellular key genes

Researchers at the University of Bonn have developed an optical CRISPR screening method called NIS-Seq that allows for the identification of key genes involved in biological processes. This method is faster and more efficient than traditional methods, working in almost all cells and providing results in a matter of days.

SourceUniversity of Bonn·JournalNature Biotechnology·DateDec 19, 2024

Too tight! Loosening CAR’s grip on Tregs improves function, researchers find

Researchers have found that loosening the grip of engineered chimeric antigen receptor (CAR) Tregs improves their function and effectiveness in treating autoimmune diseases. By adjusting the affinity of the CAR, the study shows that Tregs can suppress immune responses while reducing pro-inflammatory consequences.

SourceMedical University of South Carolina·JournalMolecular Therapy — Methods & Clinical Development·DateDec 19, 2024

New study highlights the correlation between live corals and fishing yields

A new study published in Marine Resource Economics found that a decline in healthy coral reefs can lead to substantial losses in fisheries. The research analyzed nine fisheries dependent on Australia's Great Barrier Reef and predicted lower fishing yields if the restoration of coral reefs is not prioritized.

SourceWoods Hole Oceanographic Institution·JournalMarine Resource Economics·TypeData/statistical analysis·DateDec 19, 2024

Looking up the sky: UFOs and economic attention

A new study by Dr. Ohad Raveh and Dr. Nathan Goldstein finds that UAP sightings are positively correlated with economic conditions across regions but display counter-cyclical patterns within those regions over time. The research suggests that shifts in attention to extraordinary phenomena may reflect broader fluctuations in public focus.

SourceThe Hebrew University of Jerusalem·JournalHumanities and Social Sciences Communications·TypeData/statistical analysis·DateDec 19, 2024