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Science News Archive August 2026 - Page 33


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‘Forgetting’ becomes an AI capability: SNU–Sungkyunkwan University team demonstrates first AI semiconductor that forgets on its own

Researchers have developed an AI semiconductor device that temporarily remembers recent inputs while autonomously forgetting older information. This technology enables continuous processing of complex time-series signals without a separate reset process, representing a key innovation for low-power edge AI systems.

SourceSeoul National University College of Engineering·JournalAdvanced Science·TypeExperimental study·DateAug 11, 2026

Ancient icehouse hyperthermal event offers insights into modern climate change

A 300-million-year-old event shows that volcanic activity and orbital forcing combined to trigger rapid warming. The study reveals the importance of sustained orbital forcing in triggering positive climate-carbon cycle feedbacks, leading to massive carbon release and abrupt large-scale warming.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·TypeMeta-analysis·DateAug 11, 2026

Vaping emerges as new concern in New Zealand infant deaths

A recent study found that maternal vaping was reported in half of the SUDI cases involving direct bed sharing, while smoking and/or vaping was present in nearly three-quarters of these cases. The researchers stress that more research is needed to establish specific risks associated with vaping during pregnancy.

SourceUniversity of Auckland·JournalActa Paediatrica·TypeData/statistical analysis·DateAug 11, 2026

Dual-interface strategy unlocks high-performance Ah-level aqueous zinc-iodine pouch cells

Researchers develop a dual-interface coordination orchestration strategy to enable high-energy aqueous zinc-iodine batteries, overcoming challenges in four-electron I chemistry. The approach improves reversibility and stabilizes the Zn electrode, leading to stable cycling and high energy density.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalJournal of the American Chemical Society·TypeCommentary/editorial·DateAug 11, 2026

Unfamiliar with rattlesnakes, blackbirds still avoided striking them while defending nests

In a rare study, researchers found that red-winged blackbirds consistently responded more aggressively to nonvenomous gopher snakes than venomous rattlesnakes, striking the snakes roughly half as often. The birds' unique defense strategy suggests they may be adapting to protect their nests from both types of predators.

SourceOregon State University·JournalBehavioral Ecology·TypeExperimental study·DateAug 11, 2026

Contaminated soil poses hidden lead threat inside homes

Researchers discovered 86% of bare surface soil samples exceeded EPA's residential soil lead hazard level, with nearly 94% exceeding screening levels. In homes without interior lead-based paint, 80% of floor dust samples exceeded safety thresholds.

SourceRutgers University·JournalJournal of Exposure Science & Environmental Epidemiology·TypeObservational study·DateAug 11, 2026

Surface oxygen species steer hydrogen production from methanol over platinum catalysts

Researchers have discovered that surface hydroxyl groups on platinum catalysts are crucial for controlling the conversion of methanol into hydrogen. The study found that hydroxyl-rich oxide supports can improve platinum-based methanol reforming catalysts, leading to higher hydrogen production rates.

SourceShenyang Agricultural University Collaborative Journals·JournalEnergy & Environment Nexus·TypeExperimental study·DateAug 11, 2026

Laboratory chemical exposure and diet linked to self-reported health symptoms among young scientists

A study of 426 university students in Nigeria found a clear association between reported chemical exposure frequency and reported symptoms, with frequent exposure linked to oxidative stress-related symptoms. The researchers also highlight the importance of laboratory safety practices and healthy dietary habits.

SourceShenyang Agricultural University Collaborative Journals·JournalNew Contaminants·TypeExperimental study·DateAug 11, 2026

Nanobiochar could help crops withstand drought, pollution, and nutrient loss

A comprehensive review of nanobiochar reveals its potential to address multiple agricultural challenges simultaneously, including nutrient retention, water holding capacity, and stress tolerance. The study highlights the need for careful risk assessment and regulatory frameworks to ensure safe deployment in sustainable farming systems.

SourceShenyang Agricultural University Collaborative Journals·JournalBiochar X·TypeLiterature review·DateAug 11, 2026

New 20-year study proves pre-K impacts a child’s academic future

A new study from Florida International University found that students who attended public school pre-K performed better academically through high school than those in family-based childcare. The benefits of public school pre-K persisted into adolescence and were attributed to higher-quality teachers and curricula.

SourceFlorida International University·JournalEarly Childhood Research Quarterly·TypeObservational study·DateAug 11, 2026

New study reports significant reduction in postsurgical scar depth following DC microcurrent stimulation

Researchers used high-resolution ultrasound to measure a statistically significant reduction of 23.8% in measured scar depth after one treatment with DC microcurrent stimulation. The study found potential implications for tissue mobility and rehabilitation, but larger controlled studies are needed to confirm durability.

SourceCenter For Pain And Stress Research Ltd·TypeObservational study·DateAug 11, 2026

Youth mental health program saves nearly $10 for every dollar invested

A new study led by McGill University researchers found that a pan-Canadian youth mental health program saved the public healthcare system an average of $4,355 per patient annually. The program, ACCESS Open Minds, shifted care from hospitals to community-based services, reducing reliance on emergency departments and inpatient programs.

SourceMcGill University·JournalThe Lancet Psychiatry·TypeData/statistical analysis·DateAug 11, 2026

New study introduces a transferable framework for evaluating the potential for forecast-informed reservoir operations in watersheds across the country

Researchers developed a systematic approach to evaluate the potential of forecast-informed reservoir operations (FIRO) in watersheds across the US. Applying this framework to 32 California and Nevada reservoirs, they found that operational flexibility is generally more constrained in snowmelt-dominated rivers.

SourceDesert Research Institute·JournalWater Resources Research·DateAug 11, 2026

Rivers are moving sediment in intense bursts, a worrisome new pattern uncovered by AI

Researchers analyzed millions of high-frequency turbidity measurements to reconstruct daily sediment movement, revealing a major shift: Rivers are becoming more 'bursty', with a 20-day decrease in the time it takes to transport 90% of their annual sediment. This change can overwhelm water treatment systems and damage aquatic habitats.

SourceVirginia Tech·JournalCommunications Earth & Environment·DateAug 11, 2026

Unsupervised free time increases the likelihood that adolescents will engage in violent behavior

An international study of 58,000 adolescents found that unstructured free time is strongly associated with delinquent behavior and exposure to violence. The study, published in PLOS ONE, analyzed data from 21 countries and found that association with delinquent peers was the strongest predictor of involvement in crime.

Social media and self-harm: Study finds need for more control over content and safe spaces for connection and support

A study published in the Journal of Medical Internet Research found that potential harms co-exist with opportunities for crisis support on social media platforms. Researchers are calling for more control over content and safe spaces for connection and support, with a focus on empowering young people to make informed online choices.

SourceSwansea University·JournalJournal of Medical Internet Research·TypeSurvey·DateAug 11, 2026

New study may change how we think about GLP-1s

A Yale University study identifies a new mechanism of action for GLP-1 therapies like Ozempic, recruiting AgRP neurons to help sustain fat loss and challenge the brain's hunger circuitry. The findings provide new insights into the biology underlying these medications' long-term effects.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateAug 11, 2026

National socioeconomic status influences disease severity at treatment start and duration of treatment in patients with psoriatic arthritis and axial spondyloarthritis

A new study found that patients from wealthier European countries tend to start biologic treatments earlier but stop or switch treatment earlier, experiencing lower disease activity. The study highlights the importance of ensuring timely and equitable access to effective treatment for patients with PsA and axSpA.

SourceElsevier·JournalAnnals of the Rheumatic Diseases·TypeData/statistical analysis·DateAug 11, 2026

This pizza delivery study will change the way sellers view delivery services well beyond the foodservice industry

A new study on pizza delivery found that consumer impatience significantly influences market dynamics, reducing competition and allowing lower-quality providers to survive. Consumer impatience also limits price competition, with a 50% reduction in delivery time worth more than 20% of the order price.

Arkansas researchers look at ‘genetic neighborhoods’ to find pathogenic bacteria

Arkansas researchers used a machine-learning approach to study the organization of neighboring genes in bacteria. The novel method distinguished disease-causing strains of Enterococcus cecorum from nonpathogenic ones by analyzing how neighboring genes are organized within the bacterial genome. This new approach may provide valuable clu...

SourceUniversity of Arkansas System Division of Agriculture·JournalFrontiers in Microbiology·TypeComputational simulation/modeling·DateAug 11, 2026

As New World screwworm returns to the U.S., UC San Diego and San Diego County team up to track the risk

The University of California San Diego and San Diego County have developed a tool to track the New World screwworm, a parasitic fly whose larvae feed on living tissue. The dashboard combines reports of confirmed detections, environmental suitability, and media coverage to estimate risk nationwide.

SourceUniversity of California - San Diego·TypeComputational simulation/modeling·DateAug 11, 2026

High resolution x-ray analysis reveals the inner life of leaves while advancing engineering efforts to reduce crop sweat

Researchers used high-resolution three-dimensional imaging to study the internal anatomy of sorghum leaves, revealing a complex ventilation system. The study found that reducing stomata size can increase air spaces beneath the leaf, improving CO2 distribution without compromising photosynthesis.

Mapping the global convergence of mental and metabolic health challenges

A comprehensive global assessment reveals striking regional disparities in depression-obesity comorbidity, with countries in East Asia and Southeast Asia experiencing rapidly increasing trends. The study projects that the median prevalence of depression-obesity comorbidity will rise to 869 cases per 100,000 population by 2035.

SourceShanghai Jiao Tong University Journal Center·JournalGeneral Psychiatry·TypeObservational study·DateAug 11, 2026

Daytime light exposure outperformed several established dementia risk factors in a large prospective cohort study

A large prospective cohort study found that daytime light exposure is associated with a lower risk of dementia, with participants exposed to bright light levels above 1,000 lux having a 16% reduced risk. Longer durations of bright light exposure also showed significant reductions in dementia risk.

SourceShanghai Jiao Tong University Journal Center·JournalGeneral Psychiatry·TypeObservational study·DateAug 11, 2026

Rethinking the earliest stages of cereal domestication

A new integrated isotope study reveals that environmental conditions, rather than human selection, drove the initial increase in cereal grain size in southwest Asia around 11,000 years ago. The research found that larger grains grew under wetter conditions, while smaller wild-sized grains grew under drier conditions.

SourceKiel University·JournalProceedings of the National Academy of Sciences·DateAug 11, 2026

Two routes to non-Hermitian solitons

Researchers discovered two families of non-Hermitian solitons, SMASs and NRDSs, differing in formation thresholds and underlying physical mechanisms. Skin-mode localization suppresses wave spreading, while band nonreciprocity enhances it, giving rise to distinct nonlinear localized states.

SourceScience China Press·JournalNational Science Review·DateAug 11, 2026

A stellar envelope near the black hole Sgr A* contains water

Astronomers have discovered water molecules in the envelope of star IRS 3, located near the supermassive black hole Sgr A*. The star's enormous envelope, fueled by rapid mass loss, has allowed water to thrive in its vicinity. This finding suggests that Sgr A* is being enriched with fundamental building blocks of life.

SourceUniversity of Cologne·JournalAstronomy and Astrophysics·TypeObservational study·DateAug 11, 2026