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Science News for April 15, 2024


New study shows corporate misconduct at home hurts sales overseas

A new study in the Global Strategy Journal shows that corporate misconduct, such as corruption and discrimination, can negatively impact foreign subsidiary performance. The research monitored 335 subsidiaries in 109 countries over nine years, finding that social irresponsibility hurts sales regardless of where the incident occurred.

SourceStrategic Management Society·JournalGlobal Strategy Journal·TypeData/statistical analysis·DateApr 15, 2024

Improved AI confidence measure for autonomous vehicles

Researchers at Bar-Ilan University developed a new AI confidence measure that distinguishes between high- and low-confidence decision making in deep learning architectures. This breakthrough enables the creation of safer and more reliable autonomous vehicles by prioritizing human intervention when confidence levels are lower.

SourceBar-Ilan University·JournalPhysica A Statistical Mechanics and its Applications·DateApr 15, 2024

How blue-green algae manipulate microorganisms

Cyanobacteria have been found to manipulate microorganisms to promote their own photosynthesis by regulating nitrogen and carbohydrate metabolism. This newly discovered gene, NirP1, plays a key role in this process, allowing cyanobacteria to export nitrite that stimulates the growth of beneficial microorganisms.

SourceUniversity of Freiburg·JournalNature Communications·DateApr 15, 2024

Scientists develop innovative maleic acid-treated bacterial cellulose gel enhancing bone repair

Scientists have developed a novel maleic acid-treated bacterial cellulose gel that significantly improves bone repair outcomes. The gel's enhanced biocompatibility and osteogenic gene expression promote cell proliferation and differentiation, paving the way for potential applications in tissue engineering.

SourceJournal of Bioresources and Bioproducts·JournalJournal of Bioresources and Bioproducts·TypeExperimental study·DateApr 15, 2024

AI to improve cataract surgery in the Global South

Researchers develop AI-assisted algorithm to analyze surgical videos of cataract surgeries in Global South, aiming to improve surgical outcomes and training. The algorithm can work with conventional image material and smartphone videos, addressing the need for resource-saving solutions in these countries.

SourceUniversitatsklinikum Bonn·JournalTranslational Vision Science & Technology·DateApr 15, 2024

Security vulnerability in browser interface allows computer access via graphics card

Researchers at Graz University of Technology discovered three side-channel attacks on WebGPU browser interface, allowing them to access a computer's cache memory and extract sensitive information. The attacks were fast enough to succeed during normal surfing behavior, highlighting the need for browsers to address GPU security and priva...

SourceGraz University of Technology·TypeComputational simulation/modeling·DateApr 15, 2024

From ashes to adversity: Lessons from South Australia's business recovery amidst bushfires and pandemic

Research by UniSA economists explores how small businesses in South Australia's Kangaroo Island and Barossa Valley regions adapted to disaster recovery, highlighting the importance of financial stability, online presence, and community support. The study found that a 'dynamic capabilities approach' is key to long-term recovery, and reg...

SourceUniversity of South Australia·JournalRegional Studies Regional Science·TypeCase study·DateApr 15, 2024

New colorful plastic films for versatile sensors and electronic displays

Scientists from Osaka University create borane molecules that exhibit red-shifted light emission upon binding to fluoride, enabling versatile materials for electronic display and chemical sensing applications. The researchers also achieve fine-tuning of the color of light emission by adjusting the quantity of added fluoride.

SourceOsaka University·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 15, 2024

Unlocking the ‘chain of worms’

A team of scientists has created a single-cell atlas for the highly regenerative worm Pristina leidyi, revealing new insights into its regenerative abilities. The study characterizes all major annelid cell types and provides molecular signatures that could inform stem cell technologies and regenerative medicine.

SourceWashington University in St. Louis·JournalNature Communications·TypeExperimental study·DateApr 15, 2024

Multiple pollutants from crop and livestock production in the Yangtze River: status and challenges

The Yangtze River Basin faces severe water quality issues due to excessive fertilizer and pesticide use, as well as the inappropriate disposal of agricultural waste. The study highlights the need for balancing green agriculture with development to ensure food security and water quality.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeExperimental study·DateApr 15, 2024

Epilepsy drug prevents brain tumors in mice with NF1

A study by researchers at Washington University School of Medicine has found that a drug used to treat epilepsy can prevent brain tumor formation and growth in mice with neurofibromatosis type 1 (NF1). The drug, lamotrigine, was shown to be effective at lower doses than those used for epilepsy, and its effects were lasting. The finding...

SourceWashU Medicine·JournalNeuro-Oncology·TypeExperimental study·DateApr 15, 2024

Stretchable quantum dot display

Researchers from the Institute for Basic Science created QLEDs using a ternary nanocomposite film that enhances carrier delivery to quantum dots, resulting in optimal device performance. The devices exhibit high brightness and low threshold voltage, with no damage when stretched up to 1.5 times.

SourceInstitute for Basic Science·JournalNature Electronics·TypeExperimental study·DateApr 15, 2024

Advances in microRNA-mediated regulation of cardiomyocyte injury after coronary microembolization

Researchers investigated the role of microRNAs in regulating cardiomyocyte injury after coronary microembolization. They found that changes in miRNA levels decrease myocardial autophagy and worsen cardiac prognosis. This study suggests a potential strategic pathway for therapeutic intervention in CME management.

SourceCompuscript Ltd·JournalCardiovascular Innovations and Applications·DateApr 15, 2024

Medical economic consequences, predictors, and outcomes of immediate atrial fibrillation recurrence after radiofrequency ablation

A study of 898 patients with atrial fibrillation found that immediate recurrence during the blanking period after radiofrequency catheter ablation correlates with greater costs, hospitalization duration, and elevated 1-year cumulative AF recurrence rate. IEC was identified as an independent predictor of Im-Recurr.

SourceCompuscript Ltd·JournalCardiovascular Innovations and Applications·DateApr 15, 2024

Hidden threat: Global underground infrastructure vulnerable to sea-level rise

A recent study by University of Hawaii at Manoa researchers highlights the hidden threat of global underground infrastructure vulnerability to sea-level rise. Shallow and saltier groundwater exacerbates corrosion and failure of critical systems such as sewer lines, roadways, and building foundations in cities worldwide.

SourceUniversity of Hawaii at Manoa·JournalAnnual Review of Marine Science·TypeData/statistical analysis·DateApr 15, 2024

How Pluto got its heart

Numerical simulations attribute Pluto's 'heart' shape to a giant, slow oblique-angle impact. The study suggests no subsurface ocean on Pluto, contradicting previous theorized explanations.

SourceUniversity of Bern·JournalNature Astronomy·DateApr 15, 2024

Millions of gamers advance biomedical research

Millions of gamers worldwide contribute to reconstructing microbial evolutionary histories using a minigame in Borderlands 3, significantly refining estimates of human gut microbes. This collaboration lays groundwork for improved AI programs and advances knowledge of the microbiome.

SourceMcGill University·JournalNature Biotechnology·DateApr 15, 2024

Real-world data fills knowledge gap to assess treatment options for infants with spinal muscular atrophy, showing improved outcomes

A study in the Journal of Neuromuscular Diseases found that disease-modifying gene therapy treatments improve motor function, bulbar function, and pulmonary function in infants with spinal muscular atrophy. The real-world data from a large patient registry confirms improved safety profiles for early treatment opportunities.

SourceIOS Press·JournalJournal of Neuromuscular Diseases·TypeData/statistical analysis·DateApr 15, 2024

Discovery of organic catalyst could lead to cheaper fuel cells

A team from the University of Virginia has identified an organic molecule that can effectively substitute expensive metal catalysts in fuel-cell technology, potentially leading to cheaper and more sustainable energy solutions. The discovery presents a significant step forward in the search for efficient fuel cells.

SourceUniversity of Virginia College and Graduate School of Arts & Sciences·JournalJournal of the American Chemical Society·DateApr 15, 2024

Australian media need generative AI policies to help navigate misinformation and disinformation

A new study by RMIT University found that only over a third of media organizations have an image-specific AI policy in place, highlighting the need for clearer guidelines. The research highlights the challenges of navigating generative AI technologies in visual journalism, including algorithmic bias and copyright concerns.

SourceRMIT University·JournalDigital Journalism·TypeSurvey·DateApr 15, 2024

Why do we blink so much?

Researchers from the University of Rochester found that blinking allows brains to process visual information more effectively, providing a new understanding of how humans see. By modulating visual input, blinks reformulate visual signals, enabling better perception of big patterns and overall visual scenes.

Quantum precision: A new kind of resistor

Researchers developed a new measurement method that significantly improves the accuracy of electrical resistance measurements, leveraging the Quantum Anomalous Hall Effect. The method allows for precise measurements at high currents and without an external magnetic field, making it suitable for advanced applications.

SourceUniversity of Würzburg·JournalNature Electronics·TypeExperimental study·DateApr 15, 2024

Aptamer-based theranostics in oncology

Aptamers are being investigated as anticancer drugs and used for targeting therapeutic agents to cancer cells, as well as for detection and imaging of cancer. Recent studies have discussed standard methods for producing aptamers and their potential applications in diagnostics.

SourceCompuscript Ltd·JournalBIO Integration·DateApr 15, 2024

Next-generation treatments hitch a ride into cancer cells

Researchers from Osaka University have discovered a way to deliver antisense oligonucleotides to their targets inside cancer cells by opening specific calcium permeable channels. The new compound, L687, promotes efficient uptake of ASO into cancer cells, suppressing target gene activity and enhancing ASO efficacy.

SourceOsaka University·JournalNucleic Acids Research·TypeExperimental study·DateApr 15, 2024

Evidence for reversible oxygen ion movement during electrical pulsing: enabler of the emerging ferroelectricity in binary oxides

Emerging ferroelectricity in binary oxides is enabled by reversible oxygen ion movement during electrical pulsing, offering a new path for non-volatile storage technology solutions. This discovery expands research on conventional ferroelectricity to engineer widely used thin binary oxides.

SourceSongshan Lake Materials Laboratory·JournalMaterials Futures·TypeExperimental study·DateApr 15, 2024

Sarcopenia-related traits, body mass index and ovarian cancer risk: Investigation of causal relationships through multivariable mendelian randomization analyses

A recent study investigated the causal relationships between sarcopenia-related traits, body mass index (BMI), and ovarian cancer risk. The research found that slower usual walking pace was associated with lower ovarian cancer risk, while high appendicular lean mass and high BMI were linked to increased risk. These findings highlight a...

SourceCompuscript Ltd·JournalBIO Integration·DateApr 15, 2024

How trauma gets 'under the skin'

A University of Michigan study found that childhood traumatic experiences can 'get under the skin' and affect skeletal muscle mitochondria, leading to poorer ATP production and increased risk of aging-related outcomes. The research used muscle tissue samples from participants aged 70+, revealing a link between adverse childhood events ...

SourceUniversity of Michigan·JournalScience Advances·DateApr 15, 2024

Physical activity reduces stress-related brain activity to lower cardiovascular disease risk

A new study published in the Journal of the American College of Cardiology found that physical activity lowers cardiovascular disease risk by reducing stress-related signaling in the brain. Participants who met physical activity recommendations had a 23% lower risk of developing cardiovascular disease compared to those who did not.

SourceMassachusetts General Hospital·JournalJournal of the American College of Cardiology·TypeObservational study·DateApr 15, 2024

Association between methylmalonic acid and abdominal aortic calcification in adults

A cross-sectional study analyzed data from 2483 participants and found a significant association between high serum methylmalonic acid levels and abdominal aortic calcification incidence. Logistic regression analysis revealed a 1.38-fold increased risk of AAC in participants with high MMA levels compared to those with low levels.

SourceCompuscript Ltd·JournalCardiovascular Innovations and Applications·DateApr 15, 2024

Hydrogen recombination found to be most plausible explanation for high levels of energy in stellar superflares

Researchers analyzed 42 superflares using two models and concluded that hydrogen recombination is the most physically plausible explanation for high levels of energy. This model is supported by flare processes described in solar flares, which are well-studied phenomena.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalMonthly Notices of the Royal Astronomical Society·DateApr 15, 2024

Parent perceptions of school meals influence student participation in school meal programs

A recent study published in the Journal of Nutrition Education and Behavior found that parents' perceptions of school meals have a significant influence on their children's participation in meal programs. Parents who viewed school meals positively were more likely to see benefits for their families, such as saving time and money, which...

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeSurvey·DateApr 15, 2024

Global North energy outsourcing demands more attention

A new study reveals that Global North countries' outsourcing of energy-intensive industrial processes to the Global South leads to greater carbon emissions and environmental damage. The researchers urge both regions to work together to address this issue, promoting energy equity and sustainability.

SourceUniversity of Birmingham·JournalEnergy Economics·TypeData/statistical analysis·DateApr 15, 2024

Study shows key role of physical activity and body mass in lung function growth in childhood

A new study published in Thorax reveals that increased physical activity and higher body mass index can help recover early-life lung function deficits, leading to normal values in adolescence. The study analyzed data from over 1,100 children and adolescents aged 4-18 years, identifying four trajectories of lung function growth.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalThorax·TypeObservational study·DateApr 15, 2024

World-first microscopic stiffness probe could revolutionise early cancer diagnosis

Researchers at the University of Nottingham have created a world-first device that can image individual cells' stiffness, potentially catching cancer earlier. The technology uses Brillouin scattering to detect stiffness down to billionths of a meter and could replace traditional biopsies with non-invasive, single-cell imaging.

SourceUniversity of Nottingham·JournalCommunications Biology·TypeExperimental study·DateApr 15, 2024

Adverse pregnancy outcomes and long-term mortality in women

A national cohort study of over 2 million Swedish women found that those experiencing five major adverse pregnancy outcomes had significantly higher mortality rates. The study highlights the importance of early preventive evaluation and long-term follow-up for detection and treatment of chronic disorders associated with premature morta...

SourceJAMA Network·JournalJAMA Internal Medicine·DateApr 15, 2024

Unlocking the secrets of fruit quality: How anthocyanins and acidity shape consumer preferences and market value

A study reveals the intricate relationship between anthocyanin accumulation and acidity in fruits, highlighting the role of transcription factors in their co-regulation. The analysis provides a roadmap for breeders to target specific traits for modification, aiming to enhance fruit marketability.

SourceMaximum Academic Press·JournalFruit Research·TypeExperimental study·DateApr 15, 2024

The Lancet: Many people with breast cancer ‘systematically left behind’ due to inaction on inequities and hidden suffering

A new Lancet Commission reveals that many people with breast cancer are being systematically left behind due to inaction on inequities and hidden suffering. The commission highlights the need for better patient support, including improved communication between patients and healthcare professionals.

SourceThe Lancet·JournalThe Lancet·TypeLiterature review·DateApr 15, 2024

A chip unique in the world

Researchers at UPV and iPRONICS have developed a groundbreaking photonic chip that can implement twelve basic functionalities required by various systems. This chip allows on-demand programming and interconnecting wireless and photonic segments of communication networks, increasing efficiency and reducing bottlenecks.

SourceUniversitat Politècnica de València·JournalNature Communications·TypeMeta-analysis·DateApr 15, 2024

Reducing CO2 emissions by 20% with only a 2% economic loss

A new study by the Complexity Science Hub demonstrates how climate policies can be implemented with minimal economic damage. The researchers used a data set from Hungary to examine what would happen if certain companies were forced to cease production in various scenarios aimed at reducing greenhouse gas emissions by 20%.

SourceComplexity Science Hub·JournalNature Sustainability·TypeComputational simulation/modeling·DateApr 15, 2024

Family and media pressure to lose weight in adolescence linked to how people value themselves almost two decades later

A new study found that individuals who experienced weight-related pressure from family or media as teenagers are at higher risk of internalized weight stigma as adults. The research, published in The Lancet Regional Health Europe, highlights the importance of addressing weight stigma and bullying to promote better mental health outcomes.

SourceUniversity of Bristol·JournalThe Lancet Regional Health - Europe·TypeObservational study·DateApr 15, 2024

From opioid overdose to treatment initiation: outcomes associated with peer support in emergency departments

People with nonfatal opioid overdose who access peer support in emergency departments are more likely to initiate treatment and less likely to have repeated overdoses. The study, published in JAMA Network Open, analyzed the outcomes of a New Jersey-based program that connects patients with peer recovery specialists.

SourceRutgers University·JournalJAMA Network Open·TypeData/statistical analysis·DateApr 15, 2024

Rechargeable nanotorch

A new 'rechargeable nanotorch' allows researchers to track the movement of cell-based microrobots in real-time, using afterglow luminescence imaging. The nanotorches can be recharged non-invasively with near-infrared light, enabling long-term tracking and potential applications in cancer treatment.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 15, 2024

Decoding pecan pollination: A dive into the chloroplast genome of 'Xinxuan-4' and its impact on cultivar diversity and efficiency

This study sequences the chloroplast genome of 'Xinxuan-4', a new pecan cultivar, uncovering genetic stability across the Carya species. The findings reveal gene variations, codon preferences, and SSRs, aiding in understanding evolutionary dynamics and potential breeding strategies.

SourceMaximum Academic Press·JournalFruit Research·TypeExperimental study·DateApr 15, 2024

Asthma in children: Researchers envision novel drug to reduce the risk of the disease

A team of scientists has identified a specific gene expression pattern associated with an increased risk of childhood asthma. By understanding this mechanism, they aim to develop novel drugs that can correct the defense defect and prevent the progression of the disease.

Switch to green wastewater infrastructure could reduce emissions and provide huge savings according to new research

A new study from Colorado State University suggests that transitioning to green wastewater-treatment approaches, financed through carbon markets, could save $15.6 billion and reduce CO2-equivalent emissions by 30 million tonnes over 40 years. The research explores the potential economic tradeoffs of switching to green infrastructure an...

SourceColorado State University·JournalCommunications Earth & Environment·DateApr 15, 2024

Despite the desire to reduce the risk of imitation, new research suggests startups should scale slowly and steadily

Startups are advised to prioritize experimentation and product-market fit over early scaling, with platform companies being particularly vulnerable to failure. The study's findings contradict popular notions that rapid growth is necessary to prevent competitor imitation.

SourceStrategic Management Society·JournalStrategic Management Journal·TypeData/statistical analysis·DateApr 15, 2024

Antibiotics reveal a new way to fight cancer

Tetracycline antibiotics have been found to enhance the antitumor activity of T lymphocytes by targeting galactin-1, an immunosuppressive protein produced by cancer cells. This breakthrough discovery may lead to the development of new drugs that target different immune pathways and benefit patients with cancer.

SourceOsaka University·JournalJournal for ImmunoTherapy of Cancer·TypeExperimental study·DateApr 15, 2024