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Science News Archive March 2024 - Page 10


Page 10 of 42

Human brains are getting larger. That may be good news for dementia risk

A new study found that human brains are getting larger, with participants born in the 1970s having 6.6% greater brain volume and almost 15% larger brain surface area than those born in the 1930s. This increased brain size may lead to a higher brain reserve, potentially reducing the overall risk of age-related dementias.

SourceUniversity of California - Davis Health·JournalJAMA Neurology·TypeData/statistical analysis·DateMar 25, 2024

Study links long-term consumption of reused deep-fried oil with increased neurodegeneration

Rats consuming reheated sesame or sunflower oil showed increased oxidative stress and inflammation in the liver, leading to significant damage in the colon and changes in endotoxins. The study suggests that long-term deep-fried oil consumption may contribute to neurodegeneration and highlight the need for further research on this topic.

Fathers’ perceptions of their teen sons’ readiness for sex linked to their likelihood to provide guidance on condom use

Researchers identified three key factors influencing fathers' assessments: completion of life milestones, cognitive-social emotional maturity, and preparedness to have sex safely. This study offers practical suggestions for engaging fathers in primary care to promote adolescent male correct and consistent condom use.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 25, 2024

Citizen scientists contribute vital information about 35 seahorse species: their geographic ranges, habitats, and pregnancy seasonality

Researchers from Project Seahorse analyzed 7,794 validated iSeahorse observations from 96 countries, revealing new information on sex ratio and pregnancy seasonality. The study found that many seahorse species have larger geographic ranges, more diverse habitats, and shallower depth ranges than previously known.

SourceUniversity of British Columbia·JournalJournal of Fish Biology·TypeObservational study·DateMar 25, 2024

Annals of Family Medicine: Study shows Latino and Black fathers' perception of sons' sexual readiness is key to effective condom guidance

A new study reveals that a father's understanding of his son's readiness for sexual relationships is key to effective condom guidance. Fathers consider factors beyond age, such as maturity and life opportunity trajectories, when deciding when to initiate discussions.

SourceInstitute for Health Policy Solutions, Johns Hopkins School of Nursing·JournalThe Annals of Family Medicine·TypeSurvey·DateMar 25, 2024

How firearms move from legal purchase to criminal use

A new study analyzing California gun data found that guns lost or stolen are three times more likely to be used in a crime, while cheap, semiautomatic, and large caliber handguns are also at higher risk. The study suggests securing firearms from theft or loss should be a primary focus for preventing firearm-related crimes.

SourceUniversity of California - Davis Health·JournalInjury Epidemiology·TypeData/statistical analysis·DateMar 25, 2024

A self-cleaning wall paint

Researchers developed a self-cleaning wall paint using waste-valorized titanium oxide nanoparticles, which can bind and break down pollutants, and then degrade them when exposed to sunlight. The paint combines several advantages, including air pollutant removal, longer durability, and reduced production costs.

SourceVienna University of Technology·JournalACS Catalysis·TypeExperimental study·DateMar 25, 2024

A national quality improvement initiative provides insight into how to successfully implement change in primary care practices

The EvidenceNOW initiative, launched by AHRQ in 2015, aimed to improve cardiovascular care in small and medium-sized primary care practices. The program provided external quality improvement support and funding to seven regions across the US, resulting in improved quality of care and heart health outcomes.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 25, 2024

Pediatric health care disrupted by COVID-19 pandemic, compounded by existing barriers such as systemic racism

The COVID-19 pandemic significantly interrupted pediatric healthcare, resulting in foregone care, well-child visits, and vaccinations for vulnerable populations. Non-Hispanic White children were less likely to experience these gaps, while virtual school formats increased the risk of foregone care.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 25, 2024

Filming ultrafast molecular motions in single crystal

Scientists have applied time-resolved serial femtosecond crystallography (TR-SFX) to study molecular motion in real-time with atomic resolution, revealing three pathways of structural change in a porous coordination network sample. This breakthrough unlocks new opportunities for investigating chemical systems and material science.

SourceInstitute for Basic Science·JournalNature Chemistry·TypeExperimental study·DateMar 25, 2024

Chinese Society of Cardiology guidelines on the diagnosis and treatment of adult fulminant myocarditis

The Chinese Society of Cardiology has released the first diagnostic and treatment guidelines for adult fulminant myocarditis, focusing on early identification, diagnosis, and immunomodulatory therapy. The new regimen aims to reduce mortality rates from over 50% to below 5% with life support-based comprehensive treatment.

SourceScience China Press·JournalScience China Life Sciences·DateMar 25, 2024

Comparative study of type 2 diabetes medications show differences in medication acceptance, quality-of-life, insulin secretion and mortality

A comparative study of four major type 2 diabetes medications reveals differences in medication acceptance, quality of life, insulin secretion, and mortality. The GRADE Study found that younger age and higher blood sugar levels at baseline were associated with poor blood sugar control over time.

SourcePennington Biomedical Research Center·JournalDiabetes Care·DateMar 25, 2024

Seeing the forest for the trees: Species diversity is directly correlated with productivity in eastern U.S. forests

A new study shows that species richness is strongly correlated with forest productivity, while phylogenetic and functional diversity are negatively correlated. This finding suggests that focusing on planting more tree species can be an effective way to restore degraded ecosystems.

SourceFlorida Museum of Natural History·JournalProceedings of the National Academy of Sciences·DateMar 25, 2024

Global study could change how children with multiple sclerosis are treated

A global study has found that children with multiple sclerosis who are treated early and with the same high-efficacy therapies as adults have better outcomes. The study, which analyzed data from over 5,000 people diagnosed with MS during childhood, suggests that these therapies can help preserve neurological capacity before it's damaged.

SourceMelbourne Health·JournalThe Lancet Child & Adolescent Health·TypeObservational study·DateMar 25, 2024

How many fish constitute a school?

A team of physicists discovered that groups of just three zebrafish exhibit coordinated movement patterns similar to those in large schools. In contrast, pairs of fish behave differently, with one leading the other. The study's findings suggest that three is a critical number for group cohesion in schooling behavior.

SourceHeinrich-Heine University Duesseldorf·JournalNature Communications·DateMar 25, 2024

GPT-4 for identifying cell types in single cells matches and sometimes outperforms expert methods

A study published in Nature Methods found that GPT-4 can accurately interpret cell types from single-cell RNA sequencing data, matching human expert annotations in over 75% of cases. The model's robustness and speed were also demonstrated, making it a promising tool for cost-efficient and seamless cell type annotation.

Novel quantum algorithm for high-quality solutions to combinatorial optimization problems

Researchers have proposed an innovative quantum algorithm that effectively solves combinatorial optimization problems with constraints in a short time. The pVSQA algorithm uses a quantum device to generate a variational quantum state and transform infeasible solutions into feasible ones, achieving near-optimal performance.

SourceWaseda University·JournalIEEE Transactions on Quantum Engineering·TypeComputational simulation/modeling·DateMar 25, 2024

Pushing back the limits of optical imaging by processing trillions of frames per second

A new ultrafast camera system called SCARF has been developed by Professor Jinyang Liang's team at INRS, capturing up to 156.3 trillion frames per second with astonishing precision. This breakthrough enables real-time imaging of unique phenomena that are ultrafast, non-repeatable, or difficult to reproduce.

SourceInstitut national de la recherche scientifique - INRS·JournalNature Communications·TypeExperimental study·DateMar 25, 2024

Decreases in social disparities in air pollution during lockdown suggest the need for sustainable policies

A study found significant decreases in average nitrogen dioxide concentrations and social inequities in California's air pollution during the COVID-19 pandemic lockdown. Non-urban areas saw a 17% decrease, while urban areas experienced a 50% reduction, primarily due to reduced traffic.

SourcePohang University of Science & Technology (POSTECH)·JournalAtmospheric Environment·DateMar 25, 2024

AACR: Progress treating pancreatic cancer, immunotherapy for head and neck cancers, potential biomarker for aggressive neuroendocrine carcinomas and more

Researchers present findings on immunotherapy approaches, a potential biomarker for neuroendocrine carcinomas, and improved treatments for pancreatic cancer and melanoma. A UCLA team identified UCHL1 as a molecular indicator and therapeutic target for aggressive neuroendocrine cancers.

Physician work hours, especially for male doctors, have declined since 1987

Physician work hours in Canada have decreased over the past three decades, particularly among male and married physicians, with a possible shift towards achieving better work-life balance. The study found no correlation between higher payments and reduced working hours, indicating that other factors may be at play.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeData/statistical analysis·DateMar 25, 2024