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Science News Archive March 2025 - Page 34


Page 34 of 51

Crosstalk among aging, circadian rhythms, and cancers

Research highlights the interconnected relationship between aging, circadian rhythms, and cancer, with shared mechanisms including genomic instability, cellular senescence, and chronic inflammation. Modulating circadian rhythms may serve as a novel strategy to intervene in age-related functional decline and treat cancer.

SourceResearch·JournalResearch·TypeNews article·DateMar 11, 2025

Researchers achieve electrosynthesis of ammonia from NO in pressurized electrolyzer

A research group from Dalian Institute of Chemical Physics achieves electrosynthesis of ammonia from NO in a pressurized electrolyzer with ampere-level current density and long-term stability. The method uses an in situ-grown hierarchical porous copper nanowire array electrode to regulate the kinetics and thermodynamics of the reaction.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Communications·TypeCommentary/editorial·DateMar 11, 2025

Chinese scientists find structural variation that boosts grain number in sorghum

Researchers have uncovered two major genes responsible for sorghum's double-grain spikelet, leading to a significant increase in grain number and crop yield. The study found that the DG1 gene regulates floret meristem formation and differentiation, restoring fertility to the lower floret and resulting in the double-grain trait.

SourceChinese Academy of Sciences Headquarters·JournalNature Plants·TypeExperimental study·DateMar 11, 2025

Frontier molecular orbital weighted model based networks for revealing organic delayed fluorescence efficiency

A novel deep learning model, ESIN, integrates molecular geometry and electronic structure data to predict the photoluminescence quantum yield of organic thermally activated delayed fluorescence (TADF) materials. The model leverages principles of frontier molecular orbitals to enhance predictive accuracy and interpretability.

Researchers forecast shaking damage from crustal earthquake scenarios in Mexico City

Researchers forecast shaking damage from crustal earthquake scenarios in Mexico City, with varying levels of damage depending on the region's underlying geology. The study modeled earthquakes up to magnitude 5.5 and found that one- to two-story buildings received the most damage, particularly in areas with soft lakebed sediments.

SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·TypeExperimental study·DateMar 11, 2025

Meningococcal vaccine found to be safe and effective for infants in sub-Saharan Africa

A new study has provided evidence for the safety and effectiveness of a meningococcal pentavalent vaccine in young children beginning at 9 months of age in sub-Saharan Africa. The vaccine protects against five strains of meningitis prevalent in the region, and its use could lead to a significant reduction in meningitis cases and deaths.

SourceUniversity of Maryland School of Medicine·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateMar 11, 2025

Fluorescent dope

Researchers from Kyoto University and Cambridge University developed a fluorescent dopamine sensor to monitor dopamine signals in primate brains. The study found that dopamine signals varied depending on the location in the striatum, with distinct patterns observed in the anterior putamen and caudate head.

SourceKyoto University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 11, 2025

Routine asthma test more reliable in the morning and has seasonal effects, say doctors

A study by Cambridge researchers found that a routine lung function test used to diagnose asthma is more reliable in the morning. The reliability of the test decreases throughout the day and differs significantly between winter and autumn, with individuals being 33% less likely to receive a positive result during autumn.

SourceUniversity of Cambridge·JournalThorax·TypeData/statistical analysis·DateMar 11, 2025

Socioeconomically disadvantaged people still underusing emergency department services in the wake of the COVID pandemic

A study found that socioeconomically disadvantaged patients used emergency departments less for non-avoidable visits, despite an overall rebound in ED use by 2022. This trend reverses pre-pandemic increases in ED utilization among Medicaid and dual-eligible patients.

SourceUniversity of California - Los Angeles Health Sciences·JournalHealth Affairs·TypeData/statistical analysis·DateMar 11, 2025

Do you see what I see?

A study published in PNAS found that young children perceive colors similarly to adults, with consistent structure across age groups and cultures. The researchers developed a touch panel interface to evaluate conscious experiences, revealing robustness in their approach.

SourceKyoto University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 11, 2025

New study in the Lancet HIV highlights gaps in HPV-related cancer prevention for people living with HIV

A new study published in The Lancet HIV reveals gaps in knowledge surrounding HPV-related cancers in people living with HIV. Existing disparities in healthcare and a lack of evidence on the effectiveness of the HPV vaccine in this population highlight the need for further research and targeted interventions.

SourceEstonian Research Council·JournalThe Lancet HIV·TypeLiterature review·DateMar 11, 2025

Marine litter has already reached the deepest point in the Mediterranean Sea

A team of researchers has identified 167 objects at the bottom of the Calypso Deep, a 5,112-metre-deep depression in the Ionian Sea, with 148 being marine debris and 19 of possible anthropogenic origin. The study highlights the need for global policy actions to reduce ocean waste and changes in citizens' consumption habits.

SourceUniversity of Barcelona·JournalMarine Pollution Bulletin·TypeObservational study·DateMar 11, 2025

Study: Medicaid expansion does not lead to increase in non-prescribed drug use

A new study by Boston University School of Public Health refutes claims that Medicaid expansion increases misuse of prescription opioids and benzodiazepines. Despite initial concerns, the study found no association between Medicaid expansion and non-prescribed opioid use among people who inject drugs.

SourceBoston University School of Public Health·JournalJournal of Substance Use and Addiction Treatment·TypeObservational study·DateMar 11, 2025

Hibernating lemurs can turn back the clock on cellular aging

Researchers found that hibernating lemurs' telomeres got longer, contrary to the usual decrease with age, suggesting a potential way to reverse cellular aging. This study, conducted at Duke University and the University of California, San Francisco, provides insights into the mechanisms behind lemur's remarkable survival strategy.

SourceDuke University·JournalBiology Letters·TypeExperimental study·DateMar 11, 2025

Growth rates of broilers contribute to behavior differences, shed light on welfare impacts

A recent study found that slow-growing broilers displayed behaviors associated with positive animal welfare, including standing and preening. In contrast, conventional broilers sat in a lateral posture. The research suggests that growth rate may impact broiler behavior, highlighting the need for further investigation.

SourceUniversity of Arkansas System Division of Agriculture·JournalPoultry Science·TypeObservational study·DateMar 11, 2025

Discovery of mosquito molecular mechanism opens door to new antimalaria strategies

Researchers at Johns Hopkins Bloomberg School of Public Health discovered a molecular quality-control system in Anopheles mosquitoes that can be targeted to disrupt malaria parasites. Disrupting the prefoldin chaperonin system reduced mosquitoes' ability to host and transmit malaria parasites, killing about 60% of them.

SourceJohns Hopkins Bloomberg School of Public Health·JournalNature Microbiology·DateMar 11, 2025

Nature-inspired 3D-printing method shoots up faster than bamboo

Researchers at Beckman Institute created a new 3D printing process called 'growth printing' that mimics the outward expansion of tree trunks to print polymer parts quickly and efficiently. The process, called FROMP, uses minimal energy to harden resin into its solid form, resulting in faster and more cost-effective production of polymers.

Scientists create a type of catalog, the ‘colocatome,’ of non-cancerous cells’ influence on cancer

Researchers develop a 'colocatome' to study the interactions between cancer cells and their surrounding non-cancerous cells, revealing how these interactions impact tumor growth and treatment resistance. The study aims to provide insights into universal rules of tumor behavior and guide the design of more effective treatments.

SourceStanford Medicine·JournalNature Communications·TypeImaging analysis·DateMar 11, 2025

Research reveals ways to keep emergency responders safe in future pandemics

A research study found significant associations between aircraft rescue and firefighting personnel's perceived risk factors of COVID-19 and their actual outcomes. Participants who reported being more susceptible to COVID-19 had a higher likelihood of infection, while those who perceived severity had a lower likelihood.

SourceTexas A&M University·JournalWORK A Journal of Prevention Assessment &amp Rehabilitation·TypeSurvey·DateMar 11, 2025

Improving density functional theory one flaw at time

The study identifies a new area where a correction for the self-interaction error breaks down, allowing researchers to pinpoint flaws and develop solutions. By refining DFT, scientists can design better catalysts, leading to improvements in fields such as food production and technology.

SourceUniversity of Pittsburgh·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateMar 11, 2025

Elementary-particle detectors, 3D printed

Researchers at ETH Zurich have developed a fully additive-manufactured plastic scintillator detector for elementary particles, showcasing a significant step towards time- and cost-effective ways to build large-scale particle detectors. The detector's three-dimensional particle tracks enable more accurate neutrino tracking and analysis.

SourceETH Zurich·JournalCommunications Engineering·DateMar 11, 2025

Study finds that supportive workplace culture advances implementation of lifestyle medicine in health systems

A new study published in BMJ Open finds that supportive workplace culture is crucial for implementing and sustaining lifestyle medicine programs. Synergistic practices such as collaborative groups, visual advertising, and healthy meal options facilitated the adoption of lifestyle medicine programming.

SourceAmerican College of Lifestyle Medicine·JournalBMJ Open·TypeCase study·DateMar 11, 2025

Blood test shows promise for early detection of dementia

Researchers have discovered a blood test that can identify patients with a sleep disorder who are most likely to develop Dementia with Lewy Bodies. The blood test analyzes two proteins in the blood associated with Alzheimer's disease and predicted dementia risk in almost 90% of patients, four years before symptoms appeared.

SourceMcGill University·JournalBrain·DateMar 11, 2025

Advancing catalysis: Novel porous thin-film approach developed at TIFR Hyderabad enhances reaction efficiency

Researchers at TIFR Hyderabad developed a novel porous thin-film approach to enhance catalysis efficiency in industrial reactions. The new methodology increases the density of catalytic sites and improves reactant diffusion rates, resulting in higher turnover frequencies and reaction efficiency.

SourceTata Institute of Fundamental Research·JournalNature Communications·TypeExperimental study·DateMar 11, 2025

Dr. Megan Abbott and the University of Colorado awarded $450,000 establishing a Clinical Research Center of Excellence that will also serve as a second site for SYNGAP1 ProMMiS

A new Clinical Research Center of Excellence will improve care for individuals with SYNGAP1-related disorders and expand the Natural History Study to include Prospective Multidisciplinary Multisite Study. The center, established at Children's Hospital Colorado, aims to accelerate research and provide specialized care.

Autonomic-cyclooxygenase-2 mechanisms of electroacupuncture on thermal injury-induced gastric dysmotility in rats

This study found that electroacupuncture (EA) improved gastric emptying in rats with burn-induced dysmotility by down-regulating cyclooxygenase-2 (COX-2) and pro-inflammatory cytokines. EA also normalized sympathetic hyperactivity and enhanced vagal activity, suggesting a potential therapeutic benefit for burn-induced gastric dysmotility.

SourceXia & He Publishing Inc.·JournalJournal of Translational Gastroenterology·DateMar 11, 2025

Self-optimizing catalysts facilitate water-splitting for the green production of hydrogen

Researchers have developed cost-effective and efficient water-splitting catalysts using cobalt and tungsten, which surprisingly increase in performance over time. The unique self-optimization process involves changes in the chemical nature of the catalyzing oxide, leading to improved activity and reduced overpotentials.

SourceJohannes Gutenberg Universitaet Mainz·JournalAngewandte Chemie·DateMar 11, 2025