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Science News for December 19, 2025


UT Health San Antonio awarded $3 million in CPRIT grants to bolster cancer research and prevention efforts in South Texas

UT Health San Antonio received $3 million in CPRIT grants to expand access to preventive salpingectomy, test novel methods to prevent liver cancer, and advance treatment for therapy-resistant metastatic breast cancer. These projects aim to improve cancer prevention, diagnosis, and treatment in South Texas.

From straw to soil harmony: International team reveals how biochar supercharges carbon-smart farming

A new international study discovers that combining biochar with straw can reduce carbon emissions, boost soil health, and encourage microbes to work together. The research bridges Moscow and Guangzhou, delivering one of the clearest pictures yet of how organic amendments shape the hidden world beneath our feet.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeExperimental study·DateDec 19, 2025

Third symposium spotlights global challenge of new contaminants in China’s fight against pollution

The Third Symposium on New Contaminant Control highlighted emerging pollutants like persistent organic pollutants, endocrine disruptors, and microplastics as a global challenge. The event emphasized the need for collaborative research and technology deployment to protect public health and environmental quality in China and beyond.

Shifting pathways: Community and healthcare-associated transmission of mpox in the Democratic Republic of the Congo and Europe

Researchers describe first reported mpox transmission of clade Ib in a healthcare setting outside Africa, with Ireland's nosocomial outbreak linked to local cases. In the Democratic Republic of Congo, community transmission shifted from sexual to non-sexual routes, driven by factors like overcrowding and child malnutrition.

SourceEuropean Centre for Disease Prevention and Control (ECDC)·JournalEurosurveillance·TypeObservational study·DateDec 19, 2025

Genomic test helps flag early aggressive prostate cancer in African American patients

A new study found that a widely used genomic test can accurately identify African American men with early prostate cancer at high risk of recurrence. The Decipher classifier linked to faster recurrence rates and supports more personalized treatment choices. Genomic testing may help better match patients with the right treatment intensi...

Researchers show impact of mountain building and climate change on alpine biodiversity

A study published in Science Advances explores the impact of mountain building and climate cooling on alpine biodiversity, revealing that these processes are key drivers of rich plant diversity. The research found that mountain uplift and cooler global temperatures enabled plants to evolve into new species and connect isolated regions.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·DateDec 19, 2025

Baveno VII guidelines: shaping the future of portal hypertension management

The Baveno VII consensus guidelines have reshaped portal hypertension management, focusing on early intervention and noninvasive diagnostics. Nonselective beta-blockers and transjugular intrahepatic portosystemic shunt (TIPS) are recommended for clinically significant portal hypertension diagnosis.

SourceChinese Medical Journals Publishing House Co., Ltd.·JournalChinese Medical Journal·TypeSystematic review·DateDec 19, 2025

Study models the transition from Neanderthals to modern humans in Europe

The study uses a numerical model to simulate encounters between Neanderthals and modern humans on the Iberian Peninsula. Climate fluctuations significantly influenced population dynamics, with mixing possible in certain regions. The research offers a broader explanatory framework for interpreting archaeological and genomic data.

SourceUniversity of Cologne·JournalPLOS One·TypeComputational simulation/modeling·DateDec 19, 2025

Inflammation-induced metabolic shifts linked to brain disorders

A study published in the Journal of Proteome Research found that acute systemic inflammation causes region-specific metabolic disruption in the cerebrum, impairing neuronal metabolism. Key findings include reduced NAA levels and elevated urea accumulation, suggesting a link between inflammation and neurodegenerative disorders.

SourceKindai University·JournalJournal of Proteome Research·TypeExperimental study·DateDec 19, 2025

Potentially toxic elements in bananas grown in the Mariana disaster region exceed FAO limits

The study found that consuming bananas grown in soil impacted by iron mining waste poses a possible health risk to children aged six years or younger. The team correlated the risk to human health with the transfer of toxic elements from the soil to the plant, revealing high concentrations of cadmium, chromium, and other metals.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalEnvironmental Geochemistry and Health·DateDec 19, 2025

Wheat straw incorporation and nitrogen fertilization increase antibiotic resistance gene abundance and dissemination potential in agricultural soil

Agricultural practices like wheat straw incorporation and nitrogen fertilization significantly increase antibiotic resistance gene abundance and dissemination potential in soil. Research shows that these practices can enhance the spread of ARGs, posing a threat to human health through the soil-plant system.

SourceHigher Education Press·JournalSoil Ecology Letters·TypeCase study·DateDec 19, 2025

Warming and increased precipitation synergy undermines soil multifunctionality through enhanced bacterial–fungal competition in semiarid grasslands

A study found that warming and increased precipitation weaken soil multifunctionality in semiarid grasslands by intensifying competition between bacteria and fungi. The researchers' findings showed a decline in microbial diversity, changes in fungal community structure, and reduced network complexity.

SourceHigher Education Press·JournalSoil Ecology Letters·TypeCase study·DateDec 19, 2025

Four years after the Mariana mining disaster in Brazil, river fish remained contaminated

A comprehensive analysis of 503 fish found high levels of 13 heavy metals and toxic substances, making consumption inadvisable due to health risks. The study highlights the persistence of contamination in the Doce River basin, with ongoing mineral exploitation and industrial activities contributing to pollution.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalTotal Environment Advances·DateDec 19, 2025

Surprising findings on the structure of the Eifel volcanoes

A large-scale measurement campaign with over 500 seismic stations has produced the first high-resolution image of the structures beneath the Eifel volcanoes. The data reveals a magma reservoir deeper and differently oriented than previously assumed, with surprising findings on recent microearthquakes and fluid accumulations in the crust.

SourceGFZ Helmholtz-Zentrum für Geoforschung·JournalSeismica·TypeExperimental study·DateDec 19, 2025

mecoturn: An R package for deciphering microbial turnover patterns along gradients

The mecoturn R package supports various statistical analyses of microbial turnover along gradients, filling a gap in data analysis tools for microbial ecology research. It includes data transformation, statistical analysis, and visualization methods, particularly expanding linear mixed-effects models for beta diversity analysis.

SourceHigher Education Press·JournalSoil Ecology Letters·TypeCase study·DateDec 19, 2025

Fungal denitrification dominates soil N2O emissions after vegetation restoration in the Karst region

Researchers found that fungal denitrification dominates soil N2O emissions after vegetation restoration in the Karst region, with higher sand content and acidic environment favoring fungal growth. This unique 'cross-scale' survival strategy gives fungi a competitive advantage over bacteria in coarse-textured soils.

SourceHigher Education Press·JournalSoil Ecology Letters·TypeCase study·DateDec 19, 2025

Machine learning-guided gradient dual-proton conducting catalytic layers for high temperature proton exchange membrane fuel cells in aviation

A new study proposes a machine-learning-guided strategy to improve high-temperature proton exchange membrane fuel cells (HT-PEMFCs) for aviation. The researchers designed a gradient dual-proton-conducting system that enables single cells to achieve record power densities at 160°C while maintaining long-term operational stability.

SourceHigher Education Press·JournalEngineering·DateDec 19, 2025

Insects remain resilient natural pest control method, new Stirling research shows

A new University of Stirling study shows that using insects like parasitic wasps to control agricultural pests is safer and more environmentally friendly than using chemical pesticides. Despite some whiteflies developing genetic resistance, the study found that survivors have low reproductive success, limiting widespread resistance.

SourceUniversity of Stirling·JournalJournal of Economic Entomology·TypeExperimental study·DateDec 19, 2025

Brain neuron death occurs throughout life and increases with age, a natural human protein drug may halt neuron death in Alzheimer’s disease

Researchers discovered a link between increasing biomarker levels and cognitive decline, with a potential repurposed drug slowing damage. The study found exponential increases in UCH-L1 and GFAP levels with age, suggesting underlying neuroinflammation may contribute to Alzheimer’s disease.

SourceUniversity of Colorado Anschutz·TypeRandomized controlled/clinical trial·DateDec 19, 2025

Livestock-induced changes in soil properties and microbial dominance determine soil microbial diversity in a conifer forest

A study reveals that livestock grazing leads to an increase in soil bacterial diversity despite altering soil properties, while disrupting the competitive hierarchy of fungi. The researchers found that grazing suppresses dominant fungal phylum Basidiomycota, releasing subordinate microbial groups.

SourceHigher Education Press·JournalSoil Ecology Letters·TypeCase study·DateDec 19, 2025

Ending federal support for housing first programs could increase U.S. homelessness by 5% in one year, new JAMA study finds

A new study published in JAMA Health Forum estimates that ending federal funding for Housing First programs would result in 44,590 additional people experiencing homelessness within a year, a roughly 5% increase from 2024 levels. This could push tens of thousands of people back into homelessness almost overnight.

SourceUniversity of Colorado Anschutz·JournalJAMA Health Forum·DateDec 19, 2025

Researchers develop new system for high-energy-density, long-life, multi-electron transfer bromine-based flow batteries

Researchers developed a novel bromine-based two-electron transfer reaction system to improve zinc-bromine flow batteries. The new system achieves high energy density and long lifespan with ultra-low bromine concentration, reducing electrolyte corrosivity.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Energy·TypeCommentary/editorial·DateDec 19, 2025

Innovative NDAVI index improves photosynthesis estimation in rice across growth stages

A new index called NDAVI improves photosynthesis estimation in rice crops by accounting for senescent leaves, providing more accurate fAPARgreen estimates. This innovation enhances crop monitoring, allowing for better assessment of crop health, yield predictions, and field management practices.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateDec 19, 2025

Kangaroos fix their posture to save energy at high hopping speeds

A study published in eLife reveals how kangaroos increase their hopping speeds without incurring an associated energetic cost. By adjusting their posture, kangaroos reduce tendon stress and energy storage, allowing them to maintain the same amount of net work at the ankle, regardless of speed.

SourceeLife·JournaleLife·TypeComputational simulation/modeling·DateDec 19, 2025

Toxin-to-treasure: Chonnam National University scientists use engineered enzyme to turn formaldehyde pollutant into high-value chemical

Chonnam National University scientists use an engineered enzyme to convert formaldehyde into L-glyceraldehyde, a valuable chiral C3 compound. The novel approach demonstrates how enzyme engineering can turn pollution into useful building blocks for medicine and industry.

SourceChonnam National University, The Research Information Management Team, Office of Research Promotion·JournalInternational Journal of Biological Macromolecules·TypeExperimental study·DateDec 19, 2025

University of Phoenix College of Doctoral Studies releases white paper on AI-driven skilling to reduce burnout and restore worker autonomy

The University of Phoenix College of Doctoral Studies has released a new white paper on the role of AI-driven skilling in reducing burnout and restoring worker autonomy. The report highlights the need for employers to invest in AI literacy and personalized development pathways to close existing gaps in career development.

Advancing wetland vegetation monitoring: A novel spectral method to estimate key nutrient elements

A new spectral method was developed to estimate leaf nitrogen, phosphorus, and potassium content in wetland vegetation. The study used hyperspectral leaf data from seven species in a karst wetland ecosystem, achieving high precision in nutrient estimation with an average inversion accuracy of 71%.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateDec 19, 2025

AIs fail at the game of visual “telephone”

Researchers found that AIs consistently converged on 12 common themes despite diverse prompts, suggesting biases in training data. The models failed to generate novel or creative outputs, highlighting the need for anti-convergence mechanisms and human input for AI's creative potential.

SourceCell Press·JournalPatterns·TypeExperimental study·DateDec 19, 2025

Novel composite copper oxides with strong and stable antiviral activity

Composite copper oxides La₂CuO₄ and Y₂Cu₂O₅ demonstrate exceptionally high antiviral activity against non-enveloped viruses, outperforming individual constituent oxides. The oxides' cation-rich surfaces enhance electrostatic adsorption of viruses, leading to protein inactivation and viral neutralization.

SourceInstitute of Science Tokyo·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateDec 19, 2025

Sleep duration, timing, and quality: how smartphone data predict labor productivity

A study analyzing smartphone-based sleep data from over 80,000 Japanese workers found associations between short and long sleep duration, sleep latency, and social jetlag with presenteeism scores. These factors can predict labor productivity loss, emphasizing the need for personalized interventions to improve sleep health.

Candida auris: genetic process revealed which could be treatment target for deadly fungal disease

Researchers at the University of Exeter have discovered a genetic process in Candida auris that could unlock new ways to treat the deadly fungal infection. The study found that genes activated during infection include those that code for nutrient pumps, potentially making it vulnerable to iron-based drugs.

SourceUniversity of Exeter·JournalCommunications Biology·TypeExperimental study·DateDec 19, 2025

Groundbreaking discovery turns household plastic recycling into anti-cancer medication

Researchers at the University of St. Andrews have discovered a way to turn household PET waste into the building block for anti-cancer drugs through a ruthenium-catalysed semi-hydrogenation process. This breakthrough offers substantial environmental benefits and has potential to accelerate the transition to a circular economy.

SourceUniversity of St. Andrews·JournalAngewandte Chemie International Edition·TypeExperimental study·DateDec 19, 2025

HKUST Engineering researchers developed a novel photodetector to enhance the performance of on-chip light monitoring

Researchers from HKUST developed a germanium-ion-implanted silicon waveguide photodiode that achieves high responsivity and ultra-low optical loss, significantly enhancing the performance of on-chip light monitoring. The device is well-suited for integration into photonic circuits without disturbing primary signal flow.

SourceHong Kong University of Science and Technology·JournalAdvanced Photonics·TypeExperimental study·DateDec 19, 2025