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Science News for April 7, 2025


Eye health linked to dementia risk

Researchers have discovered that the blood vessels at the back of the eye can show early signs of dementia, including narrower arterioles and thinner retinal nerve fibre layers. This finding offers new hope for early detection and treatment of Alzheimer's disease and related dementias.

SourceUniversity of Otago·JournalJournal of Alzheimer’s Disease·TypeExperimental study·DateApr 7, 2025

Scientists assemble worlds first immune cell atlas from diverse Asian populations

Researchers have created the world's first Asian Immune Diversity Atlas, profiling healthy immune systems of diverse Asian populations. The study identified unique molecular properties and refined biomarkers for diagnosing diseases, which could help develop targeted therapies tailored to Asian patients.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalCell·TypeRandomized controlled/clinical trial·DateApr 7, 2025

Revealing long-term changes in the marine environment and ecosystems of the Southern Ocean

A multidisciplinary survey in the eastern Indian sector of the Southern Ocean found that the southern boundary of the Antarctic Circumpolar Current has shifted southward, causing a change in water temperature and mac zooplankton composition. The survey also estimated the biomass of Antarctic krill in the area, with comparable results t...

SourceHokkaido University·JournalProgress In Oceanography·TypeObservational study·DateApr 7, 2025

Singapore scientists pioneer non-invasive 3D imaging to transform skin cancer management

Researchers develop innovative MSOT-AI technology to improve basal cell carcinoma diagnosis and surgical planning, reducing repeat procedures and improving patient outcomes. The technique captures detailed 3D views of tumours, enabling clearer insights into tumour boundaries.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalEuropean Journal of Nuclear Medicine and Molecular Imaging·DateApr 7, 2025

Researchers’ study show advancements in GP38 contributions to CCHFV and monoclonal antibody therapies

Researchers have made significant discoveries about the role of GP38 in viral infections and pathogenesis, highlighting its potential as a target for vaccines and medical countermeasures. Non-neutralizing GP38-specific antibodies have shown protective efficacy against lethal challenge, reducing circulating GP38 and vascular leak.

SourceUS Army Medical Research Institute of Infectious Diseases·JournalScience Translational Medicine·TypeExperimental study·DateApr 7, 2025

Chatbot opens computational chemistry to nonexperts

A new web platform, AutoSolvateWeb, developed at Emory University enables chemists of all levels to configure and execute complex quantum mechanical simulations through chatting. The free platform uses cloud infrastructure and automates software processes on the backend.

SourceEmory University·JournalChemical Science·TypeComputational simulation/modeling·DateApr 7, 2025

Creativity and problem-solving: How design thinking transforms university teaching

A study at ESPOL found that Design Thinking fosters essential skills in a world of constant change, allowing students to build their own knowledge through experiential learning. The course has been shown to increase student motivation to apply DT in other contexts, with over 85% of students reporting this after the course.

SourceEscuela Superior Politecnica del Litoral·JournalThinking Skills and Creativity·TypeObservational study·DateApr 7, 2025

Fees can help the FDA ensure food safety

A new analysis suggests that fees for food companies could generate much-needed resources for the FDA to strengthen its oversight of foods and keep unsafe ingredients out of the market. The FDA's current lack of resources hampers its ability to ensure the safety of the country's food supply, with growing concerns about the agency's ina...

SourceNew York University·JournalHealth Affairs·DateApr 7, 2025

Medically tailored meal programs could yield significant health care savings across 49 US states

A simulation model predicts that medically tailored meals designed for patients with diet-sensitive conditions can improve health outcomes and save healthcare costs nationwide. The program is estimated to avert over 3.5 million hospitalizations annually and could transform care for vulnerable patients across the US.

SourceTufts University·JournalHealth Affairs·TypeComputational simulation/modeling·DateApr 7, 2025

Coding differences in Medicare Advantage plans led to $33 billion in excess revenue to insurers

An analysis of differential coding patterns between Medicare Advantage (MA) and Traditional Medicare (TM) plans estimated that MA plans received an estimated $33 billion in additional revenue due to coding differences. The study found that UnitedHealth Group received the most additional revenue, with a $1,863 increase per member.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateApr 7, 2025

Study finds global downturn in bias against stigmatized groups

Researchers found significant decreases in self-reported bias against stigmatized groups, including age, race, body weight, skin tone, and sexual orientation. However, implicit bias trends varied across countries, with some seeing improvements while others experienced increases or stability.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Experimental Psychology General·TypeData/statistical analysis·DateApr 7, 2025

Multiple proteins viewed as never before

The CombPlex technology developed at Weizmann Institute allows for the simultaneous imaging and quantification of nearly two dozen proteins within individual cells. This breakthrough enables researchers to measure lots of proteins at the same time, crucial for understanding tissue function and disease processes.

SourceWeizmann Institute of Science·JournalNature Biotechnology·DateApr 7, 2025

The lush past of the world’s largest desert

A recent study by an international team reveals that the Arabian Peninsula's desert was once home to a vast lake and river system, which fostered grasslands and savannahs, enabling human migration. The findings highlight the impact of climate cycles on landscapes and human societies.

SourceUniversité de Genève·JournalCommunications Earth & Environment·TypeNews article·DateApr 7, 2025

Hospital addiction consultation service increases medication treatment for opioid use disorder

A new study by RAND Corporation found that a specialized hospital service can significantly increase patients with opioid use disorder to start FDA-approved medication treatment. The trial showed that patients receiving the service were twice as likely to begin treatment and 72% more likely to link to post-discharge care.

SourceRAND Corporation·JournalJAMA Internal Medicine·TypeRandomized controlled/clinical trial·DateApr 7, 2025

The "mega-village" of Valencina de la Concepción, a large sustainable and egalitarian community at the height of the Copper Age

A research team from Universitat Autonoma de Barcelona has analysed macrolithic tools from Valencina de la Concepción site, revealing a high level of economic sustainability based on cooperation and diversification. The community, occupied for a thousand years, had a diverse economy and maintained stability throughout the Copper Age.

SourceUniversitat Autonoma de Barcelona·JournalJournal of Archaeological Science·TypeObservational study·DateApr 7, 2025

Providing educational support for children with severe illnesses: insights from the new Sunshine Hospital School program

The New Sunshine Hospital School Program provides flexible, adaptive education to hospitalized children, addressing the unique needs of those with severe illnesses. The program's innovative models and strategies have contributed valuable insights to global efforts in healthcare and education.

SourceECNU Review of Education·JournalECNU Review of Education·TypeCase study·DateApr 7, 2025

Harder for a child with an NDD if the mother had a difficult childhood

A study by University of Gothenburg found that mothers' adverse childhood experiences increase risk of children developing ADHD and autism. In contrast, fathers' childhood experiences show no association with their children's neurodevelopmental disorders. The researchers call for a broader approach to parental support.

SourceUniversity of Gothenburg·JournalNordic Journal of Psychiatry·TypeObservational study·DateApr 7, 2025

Building material for an ancient metropolis

Researchers from Goethe University Frankfurt and LEIZA aim to analyze 4,000 stamped bricks from the Roman period to gain insights into brick production and use in ancient Trier. The study may reveal previously unknown construction projects and provide a model for integrating archaeological and archaeometric methodologies.

Dust in the Wind: How cities alter natural airborne particles

A study from the University of Utah reveals that urban environments can significantly contaminate natural airborne dust particles with hazardous elements. The research found higher concentrations of toxic metals such as zinc, calcium, molybdenum, cadmium, copper, lead, cobalt, and arsenic in urban dust compared to natural dust.

SourceUniversity of Utah·JournalScientific Reports·TypeObservational study·DateApr 7, 2025

Mushroom study expands knowledge of natural bitter compounds – new highly effective bitter compound identified

Researchers have isolated three new bitter compounds from the mushroom Amaropostia stiptica and found that one of them, oligoporin D, stimulates a specific human bitter taste receptor type at very low concentrations. This discovery expands knowledge of natural bitter compounds and their receptors, which could lead to new applications i...

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalJournal of Agricultural and Food Chemistry·TypeExperimental study·DateApr 7, 2025

Scientists blame climate change for spread of infectious diseases and unleashing of ice-locked microbes in Arctic

A recent study warns that climate change is creating new pathways for the spread of infectious diseases like brucellosis and E. coli in the Arctic, due to melting permafrost and increased human activity. The thawing of soil frozen for thousands of years could unlock dormant microbes with pandemic potential.

SourceUniversity of Sharjah·JournalScience of The Total Environment·TypeLiterature review·DateApr 7, 2025

New findings on T cell exhaustion: The body prepares early for mild to severe disease

A recent study by researchers at TUM has discovered that the body produces special T cells predisposed to exhaustion even in early infection phases of moderate diseases. This finding expands our understanding of immune response mechanisms and could help control the immune system in cancer patients or weaken excessive defenses.

SourceTechnical University of Munich (TUM)·JournalNature·TypeExperimental study·DateApr 7, 2025

Rain barrel basics: Conserving water but not mosquito habitats

Researchers found over half of residential rain barrels in Champaign County had at least one mosquito-positive barrel. Effective prevention methods include mesh coverings, approved insecticides like Bacillus thuringiensis israelensis, and treating the water with chlorine or predators of mosquito larvae.

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalJournal of Medical Entomology·TypeData/statistical analysis·DateApr 7, 2025

Research reveals the main patterns and predictive models of summer vegetation variations in eastern Siberia

Researchers identified three principal modes of interannual summer vegetation growth patterns in eastern Siberia, influenced by factors like soil moisture and sea surface temperature anomalies. The year-to-year increment method developed for climate prediction shows superior predictive capability.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateApr 7, 2025

What if we find nothing in our search for life beyond Earth?

A recent study by ETH Zurich researchers suggests that if scientists examine 40–80 planets and find no signs of life, they can confidently conclude that fewer than 10–20% of similar planets harbor life. This finding would enable scientists to put a meaningful upper limit on the prevalence of life in the universe.

SourceSETI Institute·JournalThe Astronomical Journal·DateApr 7, 2025

Cardioprotective glucose-lowering agents and dementia risk

A meta-analysis of randomized clinical trials found that glucagon-like peptide-1 receptor agonists (GLP-1RAs) were associated with a statistically significant reduction in all-cause dementia. Cardioprotective glucose-lowering therapies, however, did not show an overall reduction in dementia risk.

SourceJAMA Network·JournalJAMA Neurology·DateApr 7, 2025

Childhood experiences shape the brain’s white matter with cognitive effects seen years later

A study of over 9,000 participants found that early life adversities correlate with diminished white matter connections, increasing the risk for cognitive difficulties. However, supportive relationships such as neighborhood cohesion and positive parenting may offer protection against these effects.

SourceMass General Brigham·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateApr 7, 2025

Test predicts which patients with prostate cancer are most likely to develop long-term side effects from radiation therapy

A UCLA study validates the predictive power of PROSTOX, a genetic test that uses microRNAs to identify patients at higher risk of developing long-lasting urinary side effects from radiation therapy. The test helps doctors and patients choose safer treatment options, reducing the burden of long-term complications.

SourceUniversity of California - Los Angeles Health Sciences·JournalClinical Cancer Research·DateApr 7, 2025

New research from The Lundquist Institute finds ketogenic diet-induced high cholesterol does not predict heart disease

A new study from The Lundquist Institute found no association between plaque progression and LDL-C levels, suggesting that high cholesterol is not a marker of cardiovascular risk. Metabolically healthy individuals on a ketogenic diet with elevated LDL-C levels have a unique metabolic profile that requires personalized risk assessment.

SourceThe Lundquist Institute·JournalJournal of the American College of Cardiology·DateApr 7, 2025

Reptiles are brightest in open habitats

A study from Lund University found that reptiles living in open habitats generally have brighter colouration than those in denser vegetation. The researchers analyzed images of 10,638 species and discovered a strong connection between light colors and open habitats over the past 200 million years.

SourceLund University·JournalNature Communications·DateApr 7, 2025

New study finds that 90 percent of U.S. Christian leaders believe climate change is real

A new study by Boston College researchers found that nearly 90% of Christian leaders in the US believe in anthropogenic climate change, but most do not discuss it with their congregation. Informing Christians about this consensus can lead to increased willingness to address climate change and align with church values.

SourceBoston College·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateApr 7, 2025

First insights into how excitatory and inhibitory brain signals change as people age using wearable scanner

Researchers have developed a novel wearable brain scanner that measures high frequency brain waves, revealing changes in E-I balance with age. This new technology allows for unprecedented precision in studying brain function in young children, potentially leading to better understanding of neurodevelopmental disorders like autism.

SourceUniversity of Nottingham·JournalImaging Neuroscience·TypeExperimental study·DateApr 7, 2025

Korea University and Yonsei University's Colleges of Medicine promote a joint research project to train new Korean physician-scientists

The two colleges are launching a joint research project to train future domestic physician-scientists, supported by the Ministry of Health and Welfare. The program aims to provide opportunities for career advice and research mentoring through global exchange networks and overseas training at global research institutes.

Journal of Health Communication publishes inaugural Society for Health Communication special issue

The Journal of Health Communication has published its first special issue, featuring nine peer-reviewed research papers on successful and unsuccessful health communication campaigns. The issue aims to increase access to critical health communication research, science, and practice, offering insights into the consequences of campaigns a...

SourceCUNY Graduate School of Public Health and Health Policy·JournalJournal of Health Communication·DateApr 7, 2025

Spinning into the future: fidget spinner revolutionizes bacterial detection

Researchers unveiled a portable, hand-powered device that leverages nanoplasmonic technology to detect bacteria with unprecedented accuracy. The plasmonic fidget spinner (P-FS) significantly improves sensitivity, enabling rapid diagnosis of bacterial infections in resource-limited settings.

KIMM lays groundwork for global expansion of “K-Machine” through strengthened international partnerships in Europe

KIMM has signed research cooperation agreements with the University of Maribor and the German Aerospace Center to focus on virtual reliability prediction and carbon-free heat pump technologies. The partnership aims to expand collaborative research in Eastern Europe and lay the groundwork for K-Machine's global expansion.

Local access to abortion services expanded with mifepristone in community pharmacies

The expansion of mifepristone to community pharmacies has increased access to abortion services in Ontario, with the proportion of regions with a pharmacy or procedural provider growing from 20% to 82%. The study found that access to abortion services improved in both urban and rural areas.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeData/statistical analysis·DateApr 7, 2025

Dietary shift after migration increases cardiovascular risk by altering the composition of an individual's gut microbiome

A study found that migrants experience a 'clear change' in their gut microbiome composition after migration, leading to increased rates of cardiovascular disease. The Amsterdam UMC-led research showed that specific groups of microbes disappear or emerge along the migration axis.

SourceAmsterdam University Medical Center·JournalGut Microbes·TypeObservational study·DateApr 7, 2025

Scientists link a phytoplankton bloom to starving dolphins in Florida

Researchers found that a phytoplankton bloom in Florida's Indian River Lagoon damaged habitats, deprived bottlenose dolphins of nutritious prey, leading to sharp rises in strandings and deaths. The study linked the bloom to changes in dolphin diets, showing a shift from less energy-dense fish to more energy-dense sea bream.

SourceFrontiers·JournalFrontiers in Marine Science·TypeObservational study·DateApr 7, 2025