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Science News for October 7, 2026


Optogenetic therapy safe, shows signs of vision restoration in patients with advanced retinitis pigmentosa, according to international study led by Pitt scientists

Researchers at the University of Pittsburgh and international collaborators have developed an optogenetics-based treatment that improved visual function in some patients with advanced retinitis pigmentosa. The treatment, which combines gene therapy and visual stimulation, showed encouraging results in tests of safety and efficacy.

SourceUniversity of Pittsburgh·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateOct 7, 2026

For-profit hospitals linked to worse patient outcomes and nurse staffing shortfalls, new Penn Nursing study finds

A new study by Penn Nursing found that for-profit hospitals have higher mortality and readmission rates and less safe staffing conditions. Nurse staffing levels also play a significant role in these outcomes, with for-profit hospitals reporting lower safe staffing levels and higher nurse burnout rates.

Monroe Carell Jr. Children’s Hospital at Vanderbilt leads breakthrough heart recovery method for pediatric transplants

Researchers at Monroe Carell Jr. Children's Hospital at Vanderbilt have successfully adapted a novel heart recovery technique, REUP, for pediatric patients, enabling the transplantation of 10 donor hearts in children and potentially expanding access to lifesaving heart transplants.

SourceVanderbilt University Medical Center·JournalNew England Journal of Medicine·DateOct 7, 2026

Optogenetic therapy is safe and allows blind people to detect objects

A new study demonstrates the safety and efficacy of optogenetic therapy for advanced retinitis pigmentosa, with 6 of 8 patients showing clinically meaningful improvements in visual tasks. The treatment, which combines gene therapy and light-stimulating goggles, enables blind individuals to detect objects and navigate their environment.

SourceInstitute of Molecular and Clinical Ophthalmology Basel·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateOct 7, 2026

700,000-year-old elephant tooth reveals a lost ecosystem shared by early humans in the levant

Researchers reconstruct a lush landscape of woodlands, wetlands, and waterways from the Pleistocene, inhabited by giant elephants and early toolmakers. The findings provide a rare glimpse into the environment shared by early humans and giant elephants, shedding light on human origins and the forces that shaped our species.

SourceTel-Hai University of Kiryat Shmona in the Galilee·JournalQuaternary Science Reviews·TypeObservational study·DateOct 7, 2026

Of mice and zebrafish: how MSK scientists solved a decades-old mystery and uncovered new insights about inflammation

Researchers at Memorial Sloan Kettering Cancer Center identify a critical inflammatory signaling pathway and its role in protecting healthy cells from immune response damage. The discovery opens new avenues for understanding diseases where inflammation runs amok, including cancer, inflammatory bowel disease, and asthma.

SourceMemorial Sloan Kettering Cancer Center·JournalNature·TypeExperimental study·DateOct 7, 2026

Elevated lipoprotein(a) is associated with the progression of carotid atherosclerosis

Elevated lipoprotein(a) levels are associated with the progression of carotid atherosclerosis in East Asian populations. Participants with high Lp(a) levels (>50 mg/dL) had a higher risk of developing carotid plaques and faster progression to carotid stenosis, highlighting the importance of measuring Lp(a) for risk stratification.

SourceNational Cerebral and Cardiovascular Center·JournalEuropean Journal of Preventive Cardiology·DateOct 7, 2026

Personality traits influence level of lasting distress during a crisis, USC-led study finds

A national study found that individuals with higher neuroticism scores experienced greater and more persistent anxiety and depression symptoms during the pandemic. The study suggests that personality traits, particularly neuroticism, play a role in shaping mental health responses to large-scale societal stressors.

SourceUniversity of Southern California·JournalPLOS One·TypeObservational study·DateOct 7, 2026

Research Spotlight: What the Nurses’ Health Studies have illuminated about women’s health over the past five decades

The Nurses' Health Studies have provided a unique opportunity to prospectively follow large populations of women over decades, studying the impact of diet, lifestyle, and other factors on health. The studies have generated evidence that has shaped clinical guidelines and public health recommendations, with findings supporting recommend...

SourceMass General Brigham·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateOct 7, 2026

LSU Health New Orleans recruits internationally recognized leader to establish institution’s first academic department of radiation oncology

Dr. Iyengar will lead the development of an academic program integrating patient care, education, and research, expanding access to advanced treatments and clinical research. The new department will strengthen collaboration among radiation oncologists, medical oncologists, and other specialists to develop more precise and effective tre...

First observation of quantum spins shifting a centimeter-scale object in the lab

Researchers at OIST successfully moved a levitating, centimeter-wide diamond using the force generated by electron spin alone, directly observing a quantum effect on an object subject to gravity. This achievement sets a new baseline for studying the boundary between classical and quantum physics.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalScience Advances·TypeExperimental study·DateOct 7, 2026

Study: ‘Classic example’ of sexual dimorphism in fossil record actually shows nuance between males and females

A study from the University of Kansas reevaluates the morphology of uintatheres, finding that the differences between male and female specimens may not be as vast as previously believed. The research, led by Kevin Mulcahy, used statistical analysis on modern-day bison to test the hypothesis of sexual dimorphism in these extinct animals.

SourceUniversity of Kansas·JournalPLOS One·DateOct 7, 2026

Dogs and owners disturb each other in the night, but still get pretty good sleep

A study of 25 humans and 38 dogs found that sharing a bed did not significantly impact sleep duration or quality, with humans and dogs often becoming active around the same time. The results suggest that both humans and dogs may be disturbing each other's sleep, contradicting the common assumption that dogs are the primary disruptors.

SourcePLOS·JournalPLOS One·TypeObservational study·DateOct 7, 2026

Brain immune cells protect neurons in Parkinson’s disease by “nibbling” harmful material

Researchers have found a new mechanism by which brain immune cells, microglia, protect neurons from Parkinson's disease by removing harmful alpha-synuclein clumps. The study identified a population of activated microglia that can selectively remove pathological protein material from neurons, suggesting a potential therapeutic target fo...

SourceUniversity of Oxford·JournalScience Translational Medicine·TypeExperimental study·DateOct 7, 2026

HKUST researchers reveal a tiered adaptation strategy in deep-sea chemosynthetic symbiosis

The study reveals that symbionts undergo metabolic reprogramming in response to hydrogen sulfide limitation, and hosts regulate symbiont abundance to maintain stability. This tiered adaptation strategy helps holobionts cope with environmental change and highlights the key role of symbiotic relationships in sustaining cold seep ecosystems.

SourceHong Kong University of Science and Technology·JournalScience Advances·TypeExperimental study·DateOct 7, 2026

A honey trap for protecting the forest

Researchers at Kyoto University used a 'honey trap' to assess habitat conditions in operational forests using Platycerus beetles. The study found that beetle capture counts increased toward forest interiors and declined toward open areas, highlighting the value of looking beyond forest-wide averages when assessing habitat conditions.

SourceKyoto University·JournalForest Ecology and Management·TypeObservational study·DateOct 7, 2026

Beyond oxygen

Technion researchers have made a breakthrough in hydrogen production, generating hydrogen while producing valuable chemicals, including epoxides essential for various products. The process achieves 98% efficiency and has potential for large-scale industrial adoption.

SourceTechnion-Israel Institute of Technology·JournalNature Communications·TypeExperimental study·DateOct 7, 2026

A new approach to sustainable plastics

Researchers have developed a more sustainable version of polystyrene by incorporating renewable feedstocks and improved recyclability. The new material contains around 50% bio-based raw material and can be broken down into smaller fragments, allowing for a circular economy.

SourceHelmholtz-Zentrum Hereon·JournalChem Circularity·TypeExperimental study·DateOct 7, 2026

Rapid low-cost diagnosis within reach for TB ‘missed millions’ researchers find

A large-scale study found that pooled sputum testing halves the number of cartridges needed for successful diagnoses, enabling thousands more people to be diagnosed with TB. The technique is also more cost-effective, with a 51% reduction in cartridges needed and a corresponding decrease in test cost from nearly US$8 to less than US$4.

SourceLiverpool School of Tropical Medicine·JournalThe Lancet Global Health·DateOct 7, 2026

Beyond conventional nanocrystallization: Supranano precipitates advance high-frequency soft magnetic materials

Researchers developed a novel supranano multi-precipitate microstructure in amorphous soft magnetic composites using Ar/O2 plasma treatment, significantly reducing coercivity while maintaining excellent overall performance. The optimized material exhibits an ultralow coercivity of 0.13 Oe and high effective permeability of 37.3.

The relationship between metacognition and performance anxiety in football

A study of 150 Norwegian football players reveals that elite players experience less competitive anxiety than amateur players, with women reporting higher levels of anxiety. The research suggests that elite players use metacognitive strategies to manage their anxiety, such as visualizing scenarios and ruminating on their reactions.

SourceNorwegian University of Science and Technology·JournalFrontiers in Sports and Active Living·TypeSurvey·DateOct 7, 2026

Predicting urban building damage even from cloud-obscured satellite images: SNU professor in Ho Cho’s team develops scientific ai framework

A new AI framework can rapidly predict city-scale structural damage from satellite images obscured by clouds, smoke, or other interference. By incorporating statistical data correction techniques, the framework can estimate damage immediately after a disaster without costly retraining.

SourceSeoul National University College of Engineering·JournalScientific Reports·TypeData/statistical analysis·DateOct 7, 2026

Display chemicals accumulate in Arctic, Antarctic, and Qinghai-Xizang Plateau soils

A study analyzed surface soils from the Arctic, Antarctic, and Qinghai-Xizang Plateau, detecting 42 display-related chemicals with persistent and semi-volatile properties. The findings suggest ongoing environmental input and accumulation, with greater potential ecological concern in high-altitude regions.

SourceChinese Society for Environmental Sciences·JournalEnvironmental Science and Ecotechnology·DateOct 7, 2026

Newly qualified nurses and midwives have higher rates of long-term sickness absence

Hospital-based nurses and midwives have higher rates of long-term sickness absence and back disorders compared to graduates in other sectors. After leaving hospital work, sickness absence and mental health problems often increase, contradicting the notion that hospital staff's health improves over time.

SourceUniversity of Southern Denmark Faculty of Health Sciences·JournalCommunications Health·TypeData/statistical analysis·DateOct 7, 2026

International experience gives business leaders an edge, University of Bath study finds

Business leaders with international experience have stronger organisational performance, including higher growth and profitability. The study found that companies led by executives with greater international experience often invested more in innovation and successfully implemented international expansion strategies.

SourceUniversity of Bath·JournalJournal of Management·TypeObservational study·DateOct 7, 2026

Beetles build with a yellow pigment gene

Tortoise beetles use a yellow pigment gene to create protective spheres for symbiotic bacteria, which are essential for their survival. The spheres are made from a dense, glue-like matrix formed from the yellow protein, and are essential for the bacterium's digestion and survival.

SourceJohn Innes Centre·JournalNature Communications·TypeExperimental study·DateOct 7, 2026

Mars’s oddest cloud may be even odder than we thought

Researchers found Mars's Arsia Mons Elongated Cloud (AMEC) exhibits rare homogeneous nucleation, where water vapor directly turns into icy cloud particles without specks of other matter. This phenomenon is unexpected and occurs due to unique atmospheric conditions created by Mars's thin atmosphere and towering Arsia Mons volcano.

SourceEuropean Space Agency·JournalNature Geoscience·TypeComputational simulation/modeling·DateOct 7, 2026

Public health strategies used against cigarettes could help reduce appeal of firearms, paper argues

Researchers argue that reducing firearm portrayals in entertainment and challenging firearm-related beliefs can complement efforts to reduce firearm violence. A universal public health approach could challenge the perception of firearms as a safe means of self-protection.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalAmerican Journal of Preventive Medicine·TypeCommentary/editorial·DateOct 7, 2026

Key driver of aggressive prostate cancer identified, suggesting new way to reverse drug resistance

A study published in Nature reveals that a single transfer RNA (tRNA) plays a crucial role in determining prostate cancer's sensitivity to treatment. The study found that a specific tRNA can control the identity of prostate cancer cells and influence their response to therapy, potentially opening new avenues for precision oncology.

SourceFred Hutchinson Cancer Center·JournalNature·TypeExperimental study·DateOct 7, 2026

Breaking a long-standing boundary in physics: Xue-Jia Yu’s team and collaborators publish two consecutive papers in Nature, revealing that topology can survive at critical points

Topological phases of matter have been found to be robust at critical points, where the energy gap closes, despite being incompatible with traditional topology. This discovery could lead to new materials with exceptional stability and unique properties.

SourceEastern Institute of Technology, Ningbo·JournalNature·TypeExperimental study·DateOct 7, 2026

“Top predator” from the Jurassic measures just half a meter

Researchers from the Universities of Shenyang, Chicago, and Bonn have discovered a 165-million-year-old aquatic mammaliaform called Megacauda sungei, which measures just half a meter in length and has a unique soft palate. This adaptation allowed the creature to swallow and breathe while swimming, a key advantage for mammals.

SourceUniversity of Bonn·JournalNature·TypeObservational study·DateOct 7, 2026

Gut microbes across continents trace ancient human migration

A new study reveals that the Hadza and Tsimane populations, with lifestyles differing by only industrialization, share over 1,200 bacterial species, many with ancient roots. This suggests that these microbes may have co-evolved with humans over millennia, potentially impacting health in industrialized populations.

SourceStanford Medicine·JournalNature·TypeExperimental study·DateOct 7, 2026

Study finds dementia influences decisions about life-sustaining treatment, even when advance directives request it

A study by CU Anschutz researcher found that dementia influences decisions on life-sustaining treatment, even when advance directives request it. Participants were 19 percentage points less likely to recommend life-sustaining treatment for patients with dementia than for those without, even with documented wishes calling for it.

SourceUniversity of Colorado Anschutz·JournalJAMA Network Open·DateOct 7, 2026

New device targets nerve signals to treat cancer-related wasting, moving to first human trial

A new device has been approved for a first human trial to treat cancer-related wasting, a severe and progressive syndrome affecting many patients with advanced cancer. The device, OnVagus, delivers noninvasive electrical stimulation to modulate the vagus nerve, aiming to preserve strength and quality of life during treatment.

SourceTerasaki Institute for Biomedical Innovation·TypeRandomized controlled/clinical trial·DateOct 7, 2026

Global genome atlas reveals hidden life in lakes

A global genomic atlas of freshwater microeukaryotes reveals a wealth of previously unknown biodiversity, with many species remaining undiscovered. The atlas, which analyzed 3,400 DNA datasets from 362 lakes and reservoirs, identified over 20,000 mitochondrial genomes from around 3,660 species.

SourceUniversity of Zurich·JournalNature Communications·TypeObservational study·DateOct 7, 2026

AI chatbots hesitant to recommend change

A new study found that large language models prefer existing conditions over change, which could hinder climate progress. Researchers assessed 11 LLMs and found that they recommended decisions already made by users more than 70% of the time.

SourceUniversity of Waterloo·JournalEnvironmental Research Communications·TypeExperimental study·DateOct 7, 2026

Heart disease gaps persist despite overall declines

Despite overall declines in US cardiovascular disease mortality, racial, ethnic, and place-based disparities persist, with significant gaps in mortality rates across counties and states. The analysis highlights the need for targeted clinical and public health practices to address these disparities and promote heart health equity.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateOct 7, 2026

Extreme drought and heat from the last El Niño signal a “new normal” for tropical forests

A recent study reveals that extreme drought and heat from the last El Niño event may become a recurring phenomenon in tropical forests unless greenhouse gas emissions are reduced. The Amazon is the most vulnerable region, with the likelihood of severe droughts increasing ninefold by the end of the century.

Mount Sinai appoints Livia Agnes Veress, MD, as Vice Chair for Research in Pediatrics and System Chief of Pediatric Pulmonology

Dr. Veress leads research strategy and infrastructure in the Department of Pediatrics, aiming to bring innovative ideas from lab and clinical settings to treatments. She will also oversee pediatric pulmonology across the Mount Sinai Health System, expanding care for children with complex respiratory conditions.

For tropical forests, record 2024 heat and drought could become annual norm within 20 years

A new study indicates that extreme heat and drought conditions, like those experienced during the 2023-24 El Niño, may become annual norms for tropical forests within 20 years. This would have severe consequences for the forests' ability to recover between extreme weather events and for the communities that rely on them for food and li...

SourceAmerican Geophysical Union·JournalEarth's Future·DateOct 7, 2026

Stretching a quantum material uncovers competing superconducting states

A team of researchers from Okayama University used in situ uniaxial strain to separate and tune competing superconducting states in the quantum material CsV3Sb5. This allowed them to study each state independently, finding that strain enhances superconductivity without changing the underlying charge density wave order. The study provid...

SourceOkayama University·JournalPhysical Review Letters·TypeExperimental study·DateOct 7, 2026

How combining science and community knowledge could shape coral reef conservation in Indonesia

Researchers found that combining scientific monitoring with local knowledge can help inform conservation strategies in Indonesia's coral reef ecosystems. The study suggests that integrating local ecological knowledge with scientific monitoring can enhance community participation and development of conservation strategies tailored to th...

SourceHasanuddin University·JournalAnthropocene Coasts·TypeObservational study·DateOct 7, 2026

A spiking neural network learns to predict what will happen, when, and how likely

A spiking neural network learns to predict events, timing, and likelihood, and can rapidly update these predictions in response to changing conditions. The model successfully combines the three dimensions of prediction and demonstrates improved performance over alternative approaches.

SourceInternational Research Center for Neurointelligence (WPI-IRCN), The University of Tokyo·JournalCommunications Biology·TypeComputational simulation/modeling·DateOct 7, 2026

The Signature of Alzheimer’s-Related Synaptic Changes Appears in Blood Decades Before Symptoms in People With Down Syndrome

Researchers have found that levels of beta-synuclein, a protein related to synaptic function, begin to rise in people with Down syndrome from the third decade of life, decades before symptoms appear. This finding positions beta-synuclein as a promising marker of the earliest synaptic changes associated with Alzheimer's disease.

SourceInstitut de Recerca Sant Pau (Sant Pau Research Institute)·JournalAlzheimer’s & Dementia·TypeObservational study·DateOct 7, 2026

Biodegradable nanoparticle–technology may improve agricultural production

Researchers have developed a biodegradable nanoparticle technology that enhances grape yield and quality by 104% and 67%, respectively, making it a promising approach for sustainable agricultural production. The technology improves fruit quality, yield, and pedicel strength in grapevine (Vitis vinifera L.).

SourceWiley·JournalJournal of the Science of Food and Agriculture·DateOct 7, 2026

Do ridesharing services affect crime rates?

A recent study published in Economic Inquiry reveals that ridesharing services like Uber and Lyft reduce violent and property crimes in some areas, with a 4.6% and 5.6% decrease, respectively. The study suggests that improved employment opportunities generated by ridesharing platforms contribute to these crime reductions.

SourceWiley·JournalEconomic Inquiry·DateOct 7, 2026

Does mitochondrial DNA affect cancer progression?

New research suggests that mitochondrial DNA (mtDNA) copy number affects cancer severity and therapy response. High mtDNA copy number is linked to the expression of genes that support tumor growth and survival. The study's findings could pave the way for new cancer management strategies.

SourceWiley·JournalFEBS Journal·DateOct 7, 2026

The world’s oyster reefs could add $12 trillion to planetary health each year – if they were better managed

A new study estimates that fully restored oyster reefs in hotspot countries could yield a gross ecosystem product (GEP) of $12 trillion. Oyster reefs could deliver ecosystem services worth trillions to human wellbeing and the global economy, including water filtration, shoreline protection, and carbon sequestration.

SourceFrontiers·JournalFrontiers in Marine Science·TypeData/statistical analysis·DateOct 7, 2026