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Science News for April 1, 2026


KAIST reconstructs the power map behind Gyeyu coup, revealing the dynamics of Joseon bureaucracy​

A research team analyzed data from the Annals of the Joseon Dynasty and Mungwa Bangmok to characterize career patterns of over 14,600 Joseon officials. They found that functional recruitment systems led to stability, but concentrated power resulted in inequality and stratification, ultimately leading to a national decline.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalPhysica A Statistical Mechanics and its Applications·TypeMeta-analysis·DateApr 1, 2026

High-resolution cryo-EM structure reveals the mechanisms underlying oxygen-tolerant energy conversion in a marine photosynthetic bacterium

Researchers determined the LH1-RC complex structure at high resolution, identifying a new membrane protein and non-heme Fe ion that may facilitate electron transfer. The findings provide insight into the photosynthetic complex and could contribute to genetically engineered phototrophic systems and bioremediation technologies.

SourceUniversity of Tsukuba·JournalCommunications Biology·DateApr 1, 2026

Dying aquatic plants present a double-edged sword for lakes: fueling pollution while locking away carbon

A new study reveals that declining floating-leaf plants release harmful nutrients, but also trigger a microbial process that converts simple organic matter into resilient, long-term carbon storage. This process enhances the lake's ability to sequester carbon through a microbial carbon pump.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeExperimental study·DateApr 1, 2026

Unraveling the neural circuitry that makes mice attack

Researchers investigated brain mechanisms that maintain balance between intimidation and physical aggression in mice. Projections from the lateral hypothalamus to the dorsal raphe nucleus play a critical role in preserving this balance. Increasing pathway activity led to increased attacks, while inhibiting it decreased attack bites.

SourceUniversity of Tsukuba·JournaliScience·DateApr 1, 2026

Biochar offers climate-smart pathway to healthier soils and safer tea production

A new scientific review highlights how biochar can transform tea farming by restoring soil health, reducing pollution risks, and improving both yield and quality. Biochar can increase tea yields by 10 to 40 percent while enhancing quality traits such as amino acids and polyphenols that influence flavor.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeLiterature review·DateApr 1, 2026

Five-year field study reveals smarter biochar strategy to cut methane from rice paddies

A five-year field study shows that small, repeated additions of biochar combined with water-saving irrigation can significantly reduce methane emissions from rice paddies over time while maintaining strong crop yields. Continuous application maintained and strengthened methane reduction, producing net negative emissions in some cases.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 1, 2026

Hydrochar boosts soil carbon storage and structure more effectively than biochar, study finds

A new study finds that hydrochar significantly enhances soil organic carbon and aggregation, offering a promising strategy for sustainable soil management. Hydrochar can simultaneously improve soil structure and increase carbon sequestration, making it a versatile solution for improving soil health in agriculture.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 1, 2026

Turning algae waste into powerful filters: New biochar membranes clean wastewater more efficiently

Researchers created a novel material by converting microalgae biomass into biochar and modifying it with amine functional groups, producing hybrid filters with enhanced purification performance. The new membranes achieved better pollutant rejection and improved resistance to fouling.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateApr 1, 2026

Do TV ads work? Ask smart TVs

A new study reveals traditional TV ads deliver less than expected impact, with promotions, recency, programming, and habits playing a crucial role in ad effectiveness. The research uses smart TV data to measure causal impact on consumer purchases, providing insights for advertisers and improving TV networks' measurement capabilities.

SourceUniversity of Texas at Austin·JournalMarketing Science·DateApr 1, 2026

People who can’t afford dental care may be at higher risk of developing cardiovascular disease, dementia

A new study found that older people who forego necessary dental procedures due to financial barriers may experience heart failure, a heart attack, a stroke, or dementia. The researchers suggest that alleviating upstream factors such as financial constraints could prevent chronic disease.

SourceBoston University School of Public Health·JournalThe Journals of Gerontology Series A·TypeObservational study·DateApr 1, 2026

Accelerator programs have more work to do when it comes to supporting women entrepreneurs, research finds

Research by Prof. Sarah Kaplan found that social innovation accelerators showed no financial improvement for women-led businesses compared to male-led ventures. However, in more egalitarian contexts, accelerators were effective in supporting women entrepreneurs. The study highlights the need for accelerators to address broader ecosyste...

SourceUniversity of Toronto, Rotman School of Management·JournalStrategic Management Journal·TypeMeta-analysis·DateApr 1, 2026

Fins, fingers and toes: a new take on repeating body parts and how they come to be

A new study shows that two different cell populations can give rise to the same repeating structures in adult fish, challenging traditional explanations for serial homology. This discovery proposes a developmental perspective on serial homology, suggesting that cells from different germ layers can be equivalent and interchangeable.

SourceMarine Biological Laboratory·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateApr 1, 2026

Stem cell reports strengthens commitment to scientific rigor with new publication standards

The International Society for Stem Cell Research's official journal has implemented enhanced measures to strengthen scientific rigor and reproducibility in published research. New requirements include a completed ISSCR Standards Checklist shared with peer reviewers, ensuring critical experimental details are fully disclosed. All manusc...

SourceInternational Society for Stem Cell Research·JournalStem Cell Reports·DateApr 1, 2026

New UBC Okanagan research says trees give visual clues as they rehydrate each spring

A UBC Okanagan researcher has discovered that trees provide simple visual cues through branch movement, indicating rehydration or water stress. The study found that balsam fir branches drooped during dry periods and lifted when rehydrating, offering a potential low-cost indicator for tree hydration.

SourceUniversity of British Columbia Okanagan campus·JournalHydrological Processes·TypeObservational study·DateApr 1, 2026

Massey plays key role in helping create new therapeutic standard for patients with stage III colon cancer

A phase III clinical trial established a new treatment standard for patients with stage III colon cancer and deficient DNA mismatch repair. Immunotherapy drug atezolizumab showed significant benefits when added to chemotherapy, lowering the risk of cancer recurrence by 50%.

SourceVirginia Commonwealth University·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateApr 1, 2026

Risk of Alzheimer’s dementia significantly reduced after high-dose influenza vaccination compared to the standard dose, study finds

A new study published in Neurology found that high-dose influenza vaccination is associated with a nearly 55% reduced risk of developing Alzheimer's disease in people 65 years and older compared to the standard dose. This increased protection is stronger among women, highlighting the importance of flu vaccination for this vulnerable po...

Researchers warn of risks posed by ‘contaminants of emerging concern’ found in crops, agricultural soil

A new study reveals that even low concentrations of pharmaceuticals, microplastics, and other chemicals can subtly alter plant physiology and disrupt soil health, posing wider environmental and human health risks. The review emphasizes the need for stronger regulation and redesign of chemicals to make them safer.

SourceMcGill University·JournalPlants People Planet·TypeLiterature review·DateApr 1, 2026

Gemini South confirms long-suspected link between the composition of exoplanets and their host stars

Researchers have discovered that a giant planet, WASP-189b, echoes the composition of its host star, providing direct evidence for a foundational concept in astrobiology. The team's findings offer insights into how exoplanets form and evolve, and open new avenues for studying exoplanet atmospheres.

A molecular clock controls neuronal maturation

A molecular clock, governed by epigenetic marks, controls neuronal maturation in the brain. The balance between these signals ensures that maturation occurs at the right time and in the right order. Even in mature adult brain cells, hundreds of genes remain bivalent, suggesting a role in stress response and cell death.

SourceEstonian Research Council·JournalGenes & Development·TypeLiterature review·DateApr 1, 2026

Oregano, rosemary and ‘time’: Long-term swine study shows natural-compound benefits

A long-term public study found that phytochemicals from oregano and rosemary supported favorable gut health and growth performance in weaned pigs, preserving microbial diversity to improve nutrient utilization. The natural agents outperformed antibiotic growth promoters in terms of final body weight and gain-to-feed ratio.

SourceUniversity of Arkansas System Division of Agriculture·JournalAnimal Research and One Health·TypeExperimental study·DateApr 1, 2026

China–Italy Laboratory Medicine collaboration strengthened through strategic meeting at Ruijin Hospital

The China–Italy laboratory medicine collaboration has been strengthened through a high-level meeting at Ruijin Hospital. The partnership aims to enhance the journal's global influence through international editorial collaboration, overseas offices, and high-quality academic content.

SourceShanghai Jiao Tong University Journal Center·JournalLabMed Discovery·TypeNews article·DateApr 1, 2026

Johns Hopkins team develops therapeutic, nasally delivered DNA vaccine for tuberculosis

The Johns Hopkins team developed a therapeutic intranasal DNA vaccine against tuberculosis that accelerated disease clearance, improved treatment outcomes, and stimulated immune responses. The vaccine combines two genes to direct the immune system to fight drug-tolerant bacterial persisters, showing promise for treating TB.

SourceJohns Hopkins Medicine·JournalJournal of Clinical Investigation·DateApr 1, 2026

Broadband nanoprobe sharpens optical imaging

Researchers developed a double-slit plasmonic platform-based fiber probe that combines easier light excitation, stronger tip enhancement, broadband stability, and controllable fabrication. The probe achieved 28.6 nm optical imaging resolution under ambient conditions and resolved structures smaller than the diffraction limit.

Targeted therapy improves long-term outcomes for patients with rare mutations driving lung cancer

A phase 1/2 clinical study found that pralsetinib improved durable responses with manageable safety profiles in patients with advanced or metastatic RET fusion-positive non-small cell lung cancer. The overall response rate was 78% and median duration of response was longer in patients with the CCDC6-RET fusion gene.

SourceMass General Brigham·JournalJournal of Clinical Oncology·TypeRandomized controlled/clinical trial·DateApr 1, 2026

New study finds respiratory evolution drove body size differences in early land vertebrates

Early land vertebrates exhibited distinct patterns of body size evolution, with amniote-lineage land vertebrates experiencing a relaxation of constraints, enabling them to expand their maximum body size limit. Lissamphibian precursors showed stronger constraints on body size evolution and relied on cutaneous CO2 excretion.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·DateApr 1, 2026

Walking is top leisure-time physical activity for US adults

A new study reveals that walking is the most popular leisure-time physical activity among US adults, but urban residents are more likely to meet exercise guidelines. Rural residents tend to prefer activities like gardening and hunting, with lower rates of inactivity and guideline adherence.

SourcePLOS·JournalPLOS One·TypeObservational study·DateApr 1, 2026

Human attitudes to predators shape prospects for coexistence

A recent study by Miquel Torrents-Ticó found that human attitudes play a crucial role in determining predator populations. In two Kenyan sites, human tolerance influenced spotted hyena distribution, with tolerated herders allowing predators to thrive. The findings suggest that coexistence is more likely when humans accept predators.

SourceUniversity of Helsinki·JournalJournal for Nature Conservation·TypeObservational study·DateApr 1, 2026

Porous nanofibrils spun from supramolecules with intrinsic cavities

Researchers created a new type of microporous aerogel that overcomes limitations of conventional materials, enabling flexible and highly processable shapes. The material's flexibility arises from reversible van der Waals interactions between metal–organic polyhedra molecules.

SourceInstitute for Integrated Cell-Material Sciences, Kyoto University·JournalJournal of the American Chemical Society·TypeExperimental study·DateApr 1, 2026

NYU Abu Dhabi and University of Denver researchers identify promising small molecule inhibitor of brain disorders like Parkinson’s disease

A team of NYU Abu Dhabi and University of Denver researchers have identified a promising small molecule, SK-129, that could slow or stop the progression of serious brain diseases such as Parkinson's disease. The molecule works by preventing the aggregation and spread of a neuronal protein, which damages brain cells over time.

SourceNew York University·JournalScience Translational Medicine·TypeExperimental study·DateApr 1, 2026

New nanofluidic holder lets scientists heat, cool, electrify, and watch reactions in real time

A compact chip holder with integrated electrodes enables temperature control, electric actuation, pressure handling, and optical readout for nanofluidic systems. The platform supports studies on molecular transport, catalytic reactions, and protein aggregation in confined environments.

Artificial intelligence could transform patient education in eye care, new research shows

A new AI chatbot helps patients access retinal detachment advice through personalized, real-time, clinically grounded conversations. The system outperformed leading large language models and includes accessibility features for people with low vision or limited English proficiency.

SourceUniversity of East London·JournalJournal of Artificial Intelligence and Robotics·TypeComputational simulation/modeling·DateApr 1, 2026

A comprehensive taxonomy of prompt engineering techniques for large language models

The research presents a comprehensive taxonomy of prompt engineering techniques, categorizing them by underlying principles and outlining a pipeline for designing effective prompts. This enables developers to optimize prompts for various applications, from creative content generation to high-stakes decision-making.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateApr 1, 2026

A novel approach to dataset acquisition in spatial data marketplaces

Researchers propose a novel approach to dataset acquisition in spatial data marketplaces, optimizing spatial coverage and connectivity under budget constraints. The proposed Budgeted Maximum Coverage with Connectivity Constraint (BMCC) algorithm achieves up to 68% larger spatial coverage with 89% speedups compared to existing methods.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateApr 1, 2026

Gut bacteria and allergies

Research reveals a potential connection between gut microbiota and atopic diseases such as bronchial asthma and food allergies. Small intestinal bacterial overgrowth (SIBO) may contribute to the worsening of symptoms in these conditions. Further studies are needed to confirm this association.

SourceWroclaw Medical University·JournalInternational Journal of Molecular Sciences·DateApr 1, 2026

Vegetation patterns and ecosystem resilience: relationship status “complicated”

Researchers challenge long-held assumptions about vegetation patterns in dryland ecosystems, finding that such patterns can actually indicate reduced ecosystem resilience. The new theoretical framework takes into account spatial constraints and environmental heterogeneities, revealing that ecosystem stability depends on specific enviro...

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateApr 1, 2026

Mirtazapine for methamphetamine use disorder

In this randomized clinical trial, mirtazapine effectively reduced methamphetamine use in adults with methamphetamine use disorder. The study's findings have important implications for the treatment of this condition, which currently lacks approved pharmacotherapies.

SourceJAMA Network·JournalJAMA Psychiatry·DateApr 1, 2026

Chinese Medical Journal review illuminates the multifaceted role of LRRK2 in health and disease

The review highlights LRRK2's diverse cellular functions and pathogenic mechanisms in various diseases, including Parkinson's disease and inflammatory disorders. Therapeutic strategies targeting LRRK2, such as kinase inhibitors and emerging approaches like PROTACs and gene therapy, show promise for correcting cellular imbalances and re...

SourceChinese Medical Journals Publishing House Co., Ltd.·JournalChinese Medical Journal·TypeLiterature review·DateApr 1, 2026

AI can describe human experiences but lacks experience in an actual ‘body.’ UCLA researchers say understanding this ‘body gap’ may matter for safety

Current AI systems lack internal embodiment, a property that humans take for granted, which can lead to performance and behavior limitations. Researchers propose a dual-embodiment framework to guide future research in building safer and more aligned AI models.

ASH publishes clinical practice guidelines on diagnosis and management of severe and very severe acquired aplastic anemia

The American Society of Hematology has published clinical practice guidelines for diagnosing and managing severe acquired aplastic anemia, a rare and life-threatening bone marrow failure disorder. The guidelines highlight the importance of shared decision-making between patients and providers, as well as the need for additional researc...

SourceAmerican Society of Hematology·JournalBlood Advances·DateApr 1, 2026

FAU study finds some dark web users share traits with those involved in crime

A recent FAU study found that individuals with prior criminal behavior, low self-control, and favorable attitudes toward deviance are more likely to access the dark web. The research highlights the importance of understanding who accesses this platform and why, particularly for those intending to engage in illicit activities.

SourceFlorida Atlantic University·JournalJournal of Crime and Justice·TypeSurvey·DateApr 1, 2026

NCCN 2026 Annual Conference prepares cancer care providers worldwide for healing the whole patient

The NCCN 2026 Annual Conference emphasized the need for holistic care for adolescents and young adults with cancer, highlighting unique challenges and the importance of supportive services. The conference also addressed global cancer care realities and future strategies, emphasizing the need for collaboration and investment to address ...

Influence of antibiotic use on mental health during pregnancy

A study published in BMC Public Health found an association between antibiotic use and maternal mental health during pregnancy. Researchers analyzed data from over 94,000 pregnant women and discovered a stepwise pattern of psychological distress linked to increasing antibiotic exposure. The findings suggest that avoiding unnecessary an...

SourceUniversity of Toyama·JournalBMC Public Health·TypeObservational study·DateApr 1, 2026

Pesticides and cancer: A study reveals the biological mechanisms behind an environmental health risk

A study published in Nature Health reveals a strong link between pesticide exposure and the risk of developing certain cancers. The research shows that pesticide exposure increases the risk of cancer by 150% in areas with high levels of pollution, and highlights early biological effects before cancer develops.

SourceInstitut Pasteur·JournalNature·TypeComputational simulation/modeling·DateApr 1, 2026

‘‘Smart’’ drugs to fight cancer

A team from UNIGE has created a molecular system that distinguishes and neutralises cancer cells with unprecedented precision, paving the way for autonomous, self-regulating drugs. The technology uses synthetic DNA strands to deliver potent drugs only where they are needed, reducing damage to healthy tissue.

SourceUniversité de Genève·JournalNature Biotechnology·DateApr 1, 2026

Adult children’s unemployment is associated with the depression risk of older parents in India

A new study from Umea University reveals that adult children's unemployment is strongly associated with the depression risk of older parents in India. The research, based on extensive data from the Longitudinal Ageing Survey of India, shows a clear link between child employment and parental mental health.

SourceUmea University·JournalSSM - Population Health·TypeData/statistical analysis·DateApr 1, 2026

KIST-IAE joint research team breaks performance barriers in lithium-air batteries using newly developed two-dimensional catalyst

A KIST-IAE joint research team developed a catalyst technology that maximizes the surface activity of 2D nanomaterial tungsten diselenide, enhancing the performance and durability of lithium-air batteries. The innovation converted the entire basal plane into an active catalytic site, significantly improving reaction rates.

SourceNational Research Council of Science & Technology·JournalMaterials Science and Engineering R Reports·DateApr 1, 2026