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Science News for May 21, 2026


HKUST researchers reveal carbon storage potential and biological mediations on carbon cycling in South China Sea coral reef ecosystems

The study reveals coral reefs' significant carbon sequestration potential and how reef-dwelling fish contribute to the carbon cycle. Reef sediments dominate carbon storage, with fish influencing sediment carbon reservoirs through bioerosion and respiration.

SourceHong Kong University of Science and Technology·JournalAdvanced Science·TypeData/statistical analysis·DateMay 21, 2026

Biochar's chemical footprint: How tiny particles can undermine climate benefits

Research from Northwest A&F University reveals that different biochars create hotspots of reactive chemicals in soil, increasing nitrous oxide emissions. The study found that the size of particles released by biochar dictates ROS-generating mechanisms, affecting its performance in mitigating greenhouse gases.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeExperimental study·DateMay 21, 2026

Digging deeper: The hidden carbon bank beneath our farmlands

A comprehensive review reveals that deep soil contains a colossal amount of carbon, estimated at over 850 petagrams worldwide, and is significantly more stable than surface layers due to strong interaction with clay minerals. The review outlines several agricultural strategies to protect and enhance deep soil carbon stocks.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeLiterature review·DateMay 21, 2026

UK’s younger generations likelier to experience poor health earlier in life than previous cohorts – decades of research shows

Decades of research on UK birth cohorts suggest a 'generational health drift' where more recent generations experience poor health earlier in life, particularly obesity and mental ill health. This trend is driven by worsening social and environmental exposures rather than improvements in healthcare.

SourceTaylor & Francis Group·JournalPopulation Studies·TypeLiterature review·DateMay 21, 2026

Researchers identify drivers of resistance to KRAS inhibitors in colorectal cancer

Researchers at UT MD Anderson Cancer Center have uncovered genetic and cell-state adaptive mechanisms that drive resistance to KRAS inhibitors in patients with KRAS-mutant colorectal cancer. Targeting early inflammatory responses by adding TBK1 blockade may be a promising combination strategy to overcome treatment resistance.

UT System investments of over $470 million accelerate UT San Antonio’s rise as a world-class research university

The University of Texas System has invested over $470 million in capital projects supporting UT San Antonio's growth as a top public research university. These investments span research, innovation, infrastructure, technology, and patient care, with a focus on expanding the university's research capabilities and technology infrastructure.

When neighborhoods burn, the smoke carries more than soot

Researchers found that wildland-urban interface fires release distinct pollutants, including toxic metals and PFAS, which can penetrate deep into lungs. These particles differ from ordinary urban pollution and biomass-only wildfire aerosols, highlighting the need for monitoring and cleanup strategies tailored to fire composition.

SourceRutgers University·JournalJournal of Hazardous Materials·TypeExperimental study·DateMay 21, 2026

Garvan scientists capture ‘housekeeping’ immune cells attacking live melanoma

Scientists at the Garvan Institute of Medical Research captured 'housekeeping' immune cells actively attacking and engulfing live melanoma cells. These macrophages patrol the edges of melanoma tumours, steadily engulfing cancer cells and slowing tumour growth. The discovery has big implications for immunotherapy.

SourceGarvan Institute of Medical Research·JournalJournal of Experimental Medicine·TypeExperimental study·DateMay 21, 2026

Mount Sinai dermatologists and oncologists call for overhaul of widely used cancer side-effect grading system

Physicians at Mount Sinai recommend a more patient-centered approach to evaluating skin toxicities in cancer treatments, prioritizing symptom burden and quality of life over treatment type. This new framework could enhance consistency across clinical trials and improve the accuracy of reporting.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJAMA Oncology·TypeCommentary/editorial·DateMay 21, 2026

Quantum dynamics breakthrough overturns claim of ‘quantum supremacy,’ opens new research directions

Researchers at the Flatiron Institute and Boston University have developed a new technique using tensor networks to simulate complex quantum systems, demonstrating that classical computers can tackle previously thought-to-be-solvable-only-by-quantum-computers problems. This breakthrough opens new avenues for research on quantum dynamics.

SourceSimons Foundation·JournalScience·DateMay 21, 2026

DNA repair protein gene gone rogue may unlock new cancer treatments

Researchers discovered that overproduction of a DNA repair protein creates DNA damage mimicking BRCA mutations, which may respond to targeted treatments. Tumors with high levels of EXO1 protein exhibit characteristics similar to BRCA-mutant cells, suggesting personalized therapies could be effective.

SourcePenn State·JournalNature Communications·TypeExperimental study·DateMay 21, 2026

Digital finance tools could transform small businesses

A study by the University of East London found that simple digital finance tools like mobile money can improve small businesses' long-term competitiveness. The research showed that firms benefited most when digital finance became an integral part of their daily operations, leading to gains in efficiency, customer service, and flexibility.

SourceUniversity of East London·JournalGlobal Business Review·TypeSurvey·DateMay 21, 2026

The secret to keeping ticks at bay this summer: Woodchips

Researchers found that treating woodland trails with woodchips and insecticide significantly reduced the density of blacklegged ticks, a primary vector of Lyme disease. The study demonstrated that both deltamethrin-treated and untreated woodchip interventions can effectively reduce tick populations in recreational contexts.

SourceUniversity of Ottawa·JournalTicks and Tick-borne Diseases·TypeObservational study·DateMay 21, 2026

“Why only copper?”… KAIST reveals key limitation of catalysts that convert carbon into fuel​

Researchers fabricated alloy catalysts made by mixing gold, silver, and palladium to analyze what substances these catalysts convert CO₂ into. Existing catalyst theories predicted that if the electronic reactivity of a catalyst is similar to that of copper, then it should produce multi-carbon compounds like ethylene and ethanol.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalNature Catalysis·TypeMeta-analysis·DateMay 21, 2026

Long-serving CEOs may weaken innovation, study finds

A new study from the University of East London found that long-serving CEOs can become less innovative unless challenged by strong independent boards. Independent directors play an important role in encouraging companies to continue investing in innovation, especially during difficult periods.

SourceUniversity of East London·JournalCorporate Governance·TypeData/statistical analysis·DateMay 21, 2026

Record-breaking ice loss in Central Asia in 2025

Central Asian glaciers experienced record-breaking ice loss in 2025 due to exceptionally warm spring and summer temperatures and reduced snowfall frequency. The study shows that 64% of glaciers lost their most negative mass balance since at least 1991, highlighting increasing vulnerability to climate warming.

SourceVrije Universiteit Brussel·JournalEnvironmental Research·DateMay 21, 2026

New passivation strategy boosts perovskite/silicon tandem solar cell performance

Researchers have developed a new passivation strategy to improve the efficiency and operational stability of perovskite/silicon tandem solar cells. The method uses polystyrene nanospheres as a template to deposit an insulating layer, suppressing electrical leakage and achieving high power conversion efficiencies.

SourceChinese Academy of Sciences Headquarters·JournalMatter·TypeExperimental study·DateMay 21, 2026

Bioinspired dual‑scale crack manipulation enabling 325%‑stretchable metal film conductors for AI‑empowered electronic skins

Researchers develop a leaf-inspired strategy to create ultra-stretchable metal films by manipulating cracks, governing electromechanical performance. The bioinspired conductors offer a low-cost, robust, and highly tunable solution for AI-integrated healthcare monitors and soft robotic skins.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeNews article·DateMay 21, 2026

Early detection of type 1 diabetes in children is broadly feasible

Researchers have found that screening for early-stage type 1 diabetes in children can be implemented sustainably in general pediatric practice, identifying most children who will later develop stage 3 clinical type 1 diabetes. The study suggests that families without a family history of the disease should also be screened.

Is organic farming the solution to enhance natural drought resilience in crops?

Researchers at the University of Malaga demonstrate that organic farming enriches specific groups of soil microorganisms, particularly bacteria from the genus Bacillus, which help plants cope with drought. This sustainable agricultural management system can lead to more resilient crops in dry areas and reduce fertilizer use.

SourceUniversity of Malaga·Journalnpj Biofilms and Microbiomes·TypeExperimental study·DateMay 21, 2026

Study reveals overlooked breadth of chimpanzee culture

A long-term study identifies dozens of previously overlooked cultural behaviors in wild chimpanzees, doubling previous estimates. Chimpanzees learn basic skills like foraging and grooming through social learning, with a focus on identifying and processing food, suggesting that cultural transmission plays a key role in their development.

SourceMax Planck Institute of Animal Behavior·JournaliScience·TypeObservational study·DateMay 21, 2026

Study sheds light on how early pancreas lesions become cancerous

Researchers have discovered that precursor lesions in the pancreas, often considered a step towards cancer, do not undergo malignant transformation if they lack a specific microenvironment. The team used advanced technologies to isolate and analyze single cells from over 150 donated pancreases, finding that the microenvironment surroun...

SourceMichigan Medicine - University of Michigan·JournalCancer Discovery·TypeExperimental study·DateMay 21, 2026

A promising new strategy for treating dry eye disease

Researchers developed a new eye drop treatment that significantly reduced dry eye disease characteristics, such as inflammation and loss of goblet cells. The treatment uses a rexinoid compound that boosts the protective role of resident macrophages, promoting debris-clearing and immune balance.

SourceBaylor College of Medicine·JournalInvestigative Ophthalmology & Visual Science·TypeExperimental study·DateMay 21, 2026

WSU study finds high prevalence of hantavirus in some areas of the Pacific Northwest

A recent study by WSU researchers reveals nearly 30% of rodents in the Palouse region showed evidence of past infection with Sin Nombre virus, a deadly respiratory disease. The study also produced the first full genome sequences of SNV strains from the Northwest, highlighting high genetic diversity and viral reassortment.

SourceWashington State University·JournalEmerging Infectious Diseases·TypeObservational study·DateMay 21, 2026

Machine learning personalizes depression treatment with the help of wearable technology

A machine-learning guided lifestyle coaching program based on data collected via personal devices reduced depressive symptoms by six weeks. Participants who implemented the program experienced significant reductions in depressive symptoms and the treatment effect persisted during three months after the intervention ended.

SourceUniversity of California - San Diego·JournalNPP—Digital Psychiatry and Neuroscience·DateMay 21, 2026

Toward power-generating displays: a single device that harvests and emits light

Researchers have developed a single device that can harvest light and emit bright visible light, achieving high efficiency in both power conversion and electroluminescence. The device uses a novel organic semiconductor material with controlled energy flow, enabling it to operate at standard lithium-ion battery voltages.

SourceInstitute of Science Tokyo·JournalAdvanced Materials·TypeExperimental study·DateMay 21, 2026

Structured lifestyle programs may help slow aging in older adults, study finds

Researchers found that structured lifestyle programs with coaching and accountability can reduce frailty in older adults by promoting healthy habits. The two-year US POINTER trial showed significant improvements in overall health and frailty scores among participants who followed the structured program.

SourceWake Forest University School of Medicine·JournalThe Journals of Gerontology Series A·TypeRandomized controlled/clinical trial·DateMay 21, 2026

Scientists uncover protein that could help failing hearts

Researchers identified a key protein called PERM1 that is restored in patients whose hearts recover after left ventricular assist device (LVAD) support. PERM1 regulates energy production and contractile function in heart cells, and its normalization is associated with improved cardiac function.

SourceVirginia Tech·JournalJournal of the American Heart Association·TypeExperimental study·DateMay 21, 2026

Scientists map which genes are active in a developing seed to build hardier crops

Researchers have created a gene expression map of seed development in Arabidopsis thaliana, revealing the role of specific genes and cell types in shaping seed traits. The study identifies key regions where hormones regulate growth and nutrient storage, providing insights into how seeds develop and can be improved for crop productivity.

Decoding Inflammatory Bowel Disease – on a chip

A new study replicated patient- and sex-specific hallmarks of Inflammatory Bowel Disease (IBD) in a human organ chip, identifying stromal fibroblasts as key drivers of inflammation, fibrosis, and enhanced cancer risk. The model also recapitulated the impact of pregnancy hormones on IBD severity in female patients.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalNature Biomedical Engineering·TypeExperimental study·DateMay 21, 2026

Soil science: How AI could help scientists secure a vital global resource

A new study highlights the potential of AI tools in soil science, enabling researchers to better understand soil ecosystems and adapt to climate change. The system successfully generated hypotheses on how soils store carbon and what controls their storage limits, with outputs aligning with expert research.

SourceFrontiers·JournalFrontiers in Science·TypeComputational simulation/modeling·DateMay 21, 2026

Cell movement in the embryo

Researchers at ISTA uncovered why keratin plays an essential part in embryonic cell movement and organization. Without keratin, the process slows dramatically, leading to tissue collapse and loss of cellular alignment. Keratin helps maintain the structural integrity and cohesion of cells during early development.

SourceInstitute of Science and Technology Austria·JournalNature Communications·TypeExperimental study·DateMay 21, 2026

Where do citizen science data come from?

A study analyzed over 300,000 citizen science observations to identify patterns influencing participation rates. Regional data from the Hungarian Central Statistical Office was combined with citizen science data to examine the relationship between socio-economic and environmental factors on observation density.

SourceHun-Ren Ökológiai Kutatóközpont·JournalPeople and Nature·TypeMeta-analysis·DateMay 21, 2026

Capturing an elusive step in molecular sandwich making

Researchers from OIST have reported the first full structural characterization of a doubly ring-slipped reaction intermediate in metallocene formation. This discovery provides new evidence on how metallocenes form and react, presenting opportunities for designing tunable structures for applications such as drug delivery systems, cataly...

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalJournal of the American Chemical Society·TypeExperimental study·DateMay 21, 2026