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Science News Archive May 2024 - Page 21


Page 21 of 44

New imaging software improves lung diagnosis for 30% of patients who can't tolerate contrast dye; has added diagnostic benefits for all patients

Researchers developed CT-Derived Functional Imaging, a software program that calculates lung volume changes and blood mass without contrast dye. The technology has improved diagnoses for up to 30% of patients who couldn't tolerate contrast dye, and also benefits all patients with lung issues such as COPD and cancer.

SourceCorewell Health·DateMay 17, 2024
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Fruit fly wing research offers window into birth defects

Researchers used supercomputers to study how fruit fly embryo cells develop into wings, offering a window into human development and possible treatments for birth defects. The team found that actomyosin drives much of the development process, particularly in the lower wing disc flattening.

SourceUniversity of California - Riverside·JournalNature Communications·DateMay 17, 2024

STAR sees a magnetic imprint on deconfined nuclear matter

Researchers at STAR detector observe charged-particle deflection pattern caused by induced electric current in quark-gluon plasma, providing proof of magnetic fields' existence and a new method to measure conductivity. This discovery may aid in unraveling phase transition mysteries between QGP and nuclear matter.

SourceDOE/US Department of Energy·JournalPhysical Review X·TypeExperimental study·DateMay 17, 2024

Rutgers researchers identify impacts of Russia-Ukraine war on hospitals

The study highlights the significant decline in hospital services, including emergency medical care, laboratory testing, and cancer screening, as well as supply-chain disruptions and staff shortages. The research also reveals a negative impact on maternal and newborn health, as well as reduced access to vaccines.

SourceRutgers University·JournalJAMA·TypeSurvey·DateMay 17, 2024
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

University of Bristol researchers develop world’s smallest quantum light detector on a silicon chip

Researchers at the University of Bristol have integrated a quantum light detector smaller than a human hair onto a silicon chip, enabling high speed quantum communications and optical quantum computers. The detection technology operates at room temperature and can be used for various applications, including sensing and communications.

SourceUniversity of Bristol·JournalScience Advances·TypeExperimental study·DateMay 17, 2024

Model disgorgement: the key to fixing AI bias and copyright infringement?

Model disgorgement is a set of techniques that force generative models to remove content leading to copyright infringement or biased responses. Researchers propose this approach to address issues like stylistic infringement, where models reproduce copyrighted works in the style of famous artists.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·TypeLiterature review·DateMay 17, 2024

Equitable opportunity for transplants: Experts provide disparity-sensitive measures for transplant centers

Expert Insight provides a guide for transplant centers to monitor and address health disparities, including measures of socioeconomic status. The authors emphasize the need for transparency in the transplant process and equitable outcomes. By implementing these measures, transplant centers can improve patient access and quality of care.

SourceRegenstrief Institute·JournalTransplantation·DateMay 16, 2024
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Building a better sarcasm detector #ASA186

Researchers developed a multimodal algorithm for improved sarcasm detection, examining multiple aspects of audio recordings for increased accuracy. The approach combines sentiment analysis using text and emotion recognition using audio for a comprehensive analysis.

SourceAcoustical Society of America·DateMay 16, 2024

Study: Large language models can’t effectively recognize users’ motivation, but can support behavior change for those ready to act

Researchers found that large language model-based chatbots fail to recognize users' motivational states when they are hesitant about making healthy behavior changes. However, the chatbots can provide relevant information and support users who have established goals and a commitment to take action. The study highlights the limitations o...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of the American Medical Informatics Association·TypeExperimental study·DateMay 16, 2024

More than two hearts beat as one

Researchers found that heart rate synchrony was a reliable measure for assessing and improving team dynamics. The study used fire-walking rituals as an example to demonstrate physiological synchrony, which predicted the probability of groups reaching the correct consensus.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 16, 2024

Celiac disease: New findings on the effects of gluten

Researchers at Bielefeld University discovered that certain gluten-derived molecules, including the 33-mer deamidated gliadin peptide (DGP), form nanosized structures that accumulate in gut epithelial cells and lead to leaky gut syndrome. This triggers chronic inflammation and autoimmune responses in celiac disease patients.

SourceBielefeld University·JournalAngewandte Chemie·TypeExperimental study·DateMay 16, 2024
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

AI reveals critical gaps in global Antimicrobial Resistance research

A new study using AI to analyze global antimicrobial resistance research found significant gaps in terminology, methods, and communication across sectors. The findings emphasize the importance of integrating surveillance across regions and regions worldwide to prioritize solutions.

SourceNewcastle University·JournalEnvironment International·TypeComputational simulation/modeling·DateMay 16, 2024

Very early blood pressure control confers both benefits and harms in acute stroke

A new study found that very early blood pressure lowering treatment can improve outcomes for patients with intracerebral hemorrhage, but worsen outcomes for those with ischemic stroke. Rapid diagnosis of the type of stroke is crucial in harnessing the benefits of this treatment.

SourceGeorge Institute for Global Health·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateMay 16, 2024

New research disputes alleged benefits of a vegan diet for dogs

A new study by the University of Liverpool revisits data suggesting a nutritionally-sound vegan diet is the healthiest choice for dogs. The analysis reveals that associations between dog diet and owner perceptions of health are minimal, with other variables such as age, breed, and veterinary care having stronger associations.

SourceUniversity of Liverpool·JournalPLOS ONE·TypeMeta-analysis·DateMay 16, 2024
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Towards validation of WHO app with AI to detect skin diseases

A validation study on the WHO app using AI to detect skin diseases showed good reception amongst professionals in Ghana and Kenya. The app aims to improve diagnosis and treatment of neglected tropical diseases and common skin diseases.

SourceUniversitat Oberta de Catalunya (UOC)·JournalJournal of Medical Internet Research·TypeCase study·DateMay 16, 2024

Physician and AI chatbot responses to cancer questions from social media

A study published in JAMA Oncology found that AI chatbots can generate empathetic and readable responses to cancer patient questions, comparable to those from physicians. The research also highlights the need for further investigation into the scope, process integration, and patient outcomes of chatbot-facilitated interactions.

SourceJAMA Network·JournalJAMA Oncology·DateMay 16, 2024

Adverse social determinants of health linked to treatment-resistant hypertension in Black Americans

A recent NIH-funded study found that adverse social determinants of health are linked to treatment-resistant hypertension in Black Americans. The risk was higher among Black adults than white adults, with factors including lower education and income levels contributing to the disparity.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalJournal of the American Heart Association·DateMay 16, 2024
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Airborne technology developed at USC brings new hope to map shallow aquifers in Earth’s most arid deserts

A team of researchers at USC has developed an 'Airborne Sounding Radar for Desert Subsurface Exploration of Aquifers,' nicknamed 'Desert-SEA.' This technique uses low-frequency radar to map the top of shallow aquifers, allowing scientists to assess their sustainability without limitations associated with in-situ mapping. The technology...

SourceUniversity of Southern California·JournalIEEE Geoscience and Remote Sensing Magazine·DateMay 16, 2024

Mystery CRISPR unlocked: A new ally against antibiotic resistance?

Researchers have uncovered a unique functionality of CRISPR-Cas Type IV systems, which can silence gene expression at target locations without cutting DNA. This discovery holds promise as a potential biotechnological application to combat antibiotic-resistant superbugs.

SourceUniversity of Copenhagen - Faculty of Science·JournalCell Host & Microbe·DateMay 16, 2024

SAEM publishes new guideline for treatment of nonopioid use disorders in the emergency department

The Society for Academic Emergency Medicine (SAEM) has released a new guideline for managing nonopioid use disorders in emergency departments. The guidelines provide evidence-based recommendations for evaluating and treating conditions such as alcohol withdrawal syndrome, alcohol use disorder, and cannabinoid hyperemesis syndrome. The ...

SourceSociety for Academic Emergency Medicine·JournalAcademic Emergency Medicine·DateMay 16, 2024

AI-powered headphones filter only unwanted noise #ASA186

Researchers developed AI-based headphones that selectively filter out specific sounds while preserving others. This technology uses a smartphone-based neural network trained to identify 20 different environmental sound categories, allowing users to choose what to hear.

SourceAcoustical Society of America·DateMay 16, 2024

Alternative materials to plastics for packaging are not always more sustainable

A recent study analyzed 53 peer-reviewed Life Cycle Assessment studies and found that conventional plastics are not always the least environmentally friendly choice. Bioplastics emerge as a viable alternative for climate change and fossil resource depletion, but other environmental impact categories show some disadvantages. The analysi...

SourcePolitecnico di Milano·JournalWaste Management & Research The Journal for a Sustainable Circular Economy·TypeMeta-analysis·DateMay 16, 2024
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Fast track to food safety: new test spots seafood pathogen in 30 minutes

Researchers developed a groundbreaking point-of-care detection method for Vibrio parahaemolyticus, a bacterium responsible for significant foodborne illnesses. The new platform detects the pathogen in seafood within 30 minutes using recombinant polymerase amplification and the CRISPR/Cas12a system.

SourceZhejiang University·JournalFood Quality and Safety·DateMay 16, 2024

Researchers identify important gene in the fight against prostate cancer

A new study from Aarhus University has identified a gene that determines whether patients with prostate cancer develop metastases. The KMT2C gene is found to be crucial for the spread of prostate cancer and loss of this gene increases the risk of developing metastases.

SourceAarhus University·JournalNature Communications·TypeExperimental study·DateMay 16, 2024

Researchers develop a detector for continuously monitoring toxic gases

A new detector system uses a combination of metal-organic frameworks and conductive polymers to provide continuous monitoring of toxic gases. The material shows high sensitivity and reversibility, enabling detection at low concentrations, making it suitable for industrial or home settings.

SourceMassachusetts Institute of Technology·JournalAdvanced Materials·DateMay 16, 2024
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Generating empathetic responses through emotion tracking and constraint guidance

A novel dialogue generation model ETHREED recognizes user's emotion and situation to generate responsive answers. The model uses hierarchical GRUs to track emotional representations, stochastic policy networks for predicting listener emotions, and guided policy search for optimizing responses.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateMay 16, 2024

Exploration of polymer cononsolvency mechanism through soft X-ray absorption spectroscopy

This study investigates the cononsolvency mechanism of poly(N-isopropylacrylamide) (PNIPAM) in aqueous methanol solutions. PNIPAM forms rounded structures in pure water but chain structures in pure methanol, leading to hydrophobic hydration and aggregation in aqueous methanol solutions.

SourceNational Institutes of Natural Sciences·JournalPhysical Chemistry Chemical Physics·TypeExperimental study·DateMay 16, 2024

Normothermic perfusion system extends life of organs waiting for transplant

Researchers at University of Michigan Health have developed a normothermic perfusion system that can extend the life of organs waiting for transplant by up to 24 hours. This breakthrough allows for prolonged preservation without damage or edema, increasing the number of hearts considered for transplants.

SourceMichigan Medicine - University of Michigan·JournalFrontiers·TypeExperimental study·DateMay 16, 2024

The composition of the gut microbiota could influence decision-making

A study found that individuals taking probiotic supplements showed increased sensitivity to fairness and a greater inclination to reject unequal offers. This was accompanied by changes in gut microbiota composition and levels of dopamine precursors. The findings suggest a potential causal mechanism linking gut bacteria to social behavior.

SourceInstitut du Cerveau (Paris Brain Institute)·JournalPNAS Nexus·TypeRandomized controlled/clinical trial·DateMay 16, 2024
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

A new and better way to detect media censorship

A new computational method detects media capture by states, providing insights into regime-driven media control and its impacts on editorial decisions. The method assesses the influence of censorship laws and differentiates between outlets.

SourceUniversiteit van Amsterdam·JournalDemocratization·TypeComputational simulation/modeling·DateMay 16, 2024

New gel breaks down alcohol in the body

Researchers at ETH Zurich have developed a protein gel that quickly and efficiently breaks down alcohol in the gastrointestinal tract. The gel converts alcohol into acetic acid, reducing its harmful effects on the body.

SourceETH Zurich·JournalNature Nanotechnology·DateMay 16, 2024

Automated news video production is better with a human touch

Researchers found that audiences liked AI-generated videos as much as human-made ones when edited by humans. Hybrid video production with human supervision is key to maintaining quality standards and leveraging computers' strengths.

SourceLudwig-Maximilians-Universität München·JournalJournalism·DateMay 16, 2024

B cells drive responses of other immune cells, and can be modified to prevent Multiple Sclerosis symptoms

Researchers found that abnormally active B cell metabolism causes an inflammatory immune response in individuals with Multiple Sclerosis (MS), leading to nerve damage and symptoms. Emerging BTK inhibitors alter this abnormal B cell respiration, stopping the signaling that leads to MS flare-ups.

SourceUniversity of Pennsylvania School of Medicine·JournalScience Immunology·TypeExperimental study·DateMay 16, 2024

Detecting influence campaigns on X with AI and network science

USC researchers have developed machine learning models to identify coordinated inauthentic behaviors on X, involving tactics like co-retweeting and text similarity. The fused network approach leverages topological properties of the network to classify accounts and predict their future participation in influence campaigns.

SourceUniversity of Southern California·TypeComputational simulation/modeling·DateMay 16, 2024
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

A new ‘rule of biology’ may have come to light, expanding insight into evolution and aging

Molecular biologist John Tower proposes a new 'rule of biology,' selectively advantageous instability (SAI), which suggests that some volatility in biological components provides an advantage to cells. SAI plays a key role in evolution, allowing for genetic diversity and adaptability, and may also contribute to aging.

SourceUniversity of Southern California·JournalFrontiers in Aging·TypeLiterature review·DateMay 16, 2024

Tool use promotes foraging success and dental health in sea otters

Using tools improves energy intake and reduces tooth damage in sea otters by allowing access to harder prey. Female sea otters, with smaller body size and weaker biting strength, particularly benefit from tool use, increasing their foraging success.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 16, 2024

Unique brain circuit is linked to Body Mass Index

A newly discovered connection between two brain regions may help regulate how much we eat, according to a Northwestern University study. The weaker the connection between these regions, the higher a person's BMI, suggesting that individuals with weak brain circuits may overeat even when full.

SourceNorthwestern University·JournalJNeurosci·TypeObservational study·DateMay 16, 2024

Study reveals consumers value animal welfare more than environmental sustainability when buying meat and dairy products

A new study found that consumers prioritize animal welfare, freshness, and quality over environmental sustainability when purchasing meat and dairy products. The research suggests that producers can market sustainably produced food products by highlighting their animal welfare credentials.

SourceUniversity of Portsmouth·JournalFood Quality and Preference·TypeSurvey·DateMay 16, 2024
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Rheumatism: Taking cortisone with antacids can diminish bone density

A Charité study found that taking proton pump inhibitors (PPIs) simultaneously with cortisone preparations is associated with a higher risk of osteoporosis in patients with inflammatory rheumatic conditions. The study analyzed the bone health of over 1,500 patients and found that PPI use led to significantly lower bone density.

SourceCharité - Universitätsmedizin Berlin·JournalMayo Clinic Proceedings·TypeObservational study·DateMay 16, 2024

To optimize guide-dog robots, first listen to the visually impaired

A study by UMass Amherst researchers reveals key features for developing effective robotic guide dogs, including two-hour battery life, camera orientations, and audio sensors. The research aims to address barriers to adoption of canine guide dogs, which are currently limited by cost, allergies, and physical limitations.

SourceUniversity of Massachusetts Amherst·TypeContent analysis·DateMay 16, 2024

The genetic basis and process of inbreeding depression in an elite hybrid rice

Researchers discovered that increased homozygosity for positive dominant alleles contributes to inbreeding depression. Two-locus interactions and segregation distortion also play a role, affecting the extent of depression effects. The study expands understanding of whole-genome architecture of inbreeding depression.

SourceScience China Press·JournalScience China Life Sciences·DateMay 16, 2024
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Study suggests high-frequency electrical ‘noise’ results in congenital night blindness

Researchers at Johns Hopkins Medicine used genetically engineered mice to study the mechanism of congenital stationary night blindness. The findings demonstrate that a mutation in the rhodopsin gene produces unusual background electrical activity, desensitizing rods and causing poor vision in low-light settings.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateMay 16, 2024

Tobacco corporation attempts to gain public trust in its science are having success – new research

A new study reveals that Philip Morris International is successfully increasing public trust in industry-funded science by portraying itself as a generous supporter while concealing its involvement through third parties. The tobacco company's efforts to build trust are found to be effective, with participants trusting the science more ...

SourceUniversity of Bath·JournalFrontiers in Communication·DateMay 16, 2024

Imaging fibrous structure abnormalities of the white of the eye in myopathic patients

A team of researchers from Tokyo Medical and Dental University developed a novel kind of optical coherence tomography (OCT) to investigate the detailed structure of the sclera in living patients. They found that the sclera is divided into inner and outer layers with different structural arrangements, which can provide important insight...

SourceTokyo Medical and Dental University·JournalJAMA Ophthalmology·DateMay 16, 2024