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Science News Archive 2023 - Page 215


Page 215 of 444

New approaches against the consequences of birth asphyxia

Researchers tested 25 active agents in a small animal model and found seven substances more effective than standard therapy. Caffeine proved to be the most effective in reducing brain damage, with anti-inflammatory and neuroprotective properties.

SourceDZNE - German Center for Neurodegenerative Diseases·JournalScientific Reports·TypeExperimental study·DateJul 3, 2023

Vaginal suppository containing lactobacilli can prevent recurrent cystitis in women

A study published in Frontiers in Microbiology found that administering vaginal suppositories with Lactobacillus crispatus can restore a healthy balance of vaginal microbiota and prevent recurrent cystitis. The researchers discovered that postmenopausal women with RC had significantly different bacterial communities compared to those w...

SourceOkayama University·JournalFrontiers in Microbiology·TypeObservational study·DateJul 3, 2023
Apple iPhone 17 Pro

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

Brief admissions by self-referral can help adolescents with self-harming or suicidal behaviour

A study led by Lund University researchers found that brief admissions by self-referral can effectively reduce the need for acute visits, admissions, and longer treatment periods among adolescents with borderline personality disorder. The method empowers patients to determine when they need treatment, enhancing their autonomy and sense...

SourceLund University·JournalThe Lancet Psychiatry·DateJul 3, 2023

Virtual exploration of chemical reactions

Researchers from Hokkaido University developed a centralized, interactive platform to explore and analyze chemical reaction pathways. The Searching Chemical Action and Network (SCAN) platform utilizes AFIR calculations to provide an interactive reaction pathway map that can be searched and viewed.

SourceHokkaido University·JournalDigital Discovery·TypeComputational simulation/modeling·DateJul 3, 2023

Study suggests resistance training can prevent or delay Alzheimer’s disease

Researchers found that four weeks of resistance training with weights reversed behavioral and physical alterations characteristic of the disease in mice. The study's results suggest that physical activity can be an effective strategy to avoid or delay the appearance of symptoms of sporadic Alzheimer’s, which may be associated with aging.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalFrontiers in Neuroscience·DateJul 3, 2023

Redox-based transistor as a reservoir system for neuromorphic computing

Researchers develop an ionic device utilizing redox reactions to achieve a high number of reservoir states, enabling efficient complex nonlinear operations. The device demonstrated remarkable performance in solving second-order nonlinear dynamic equations and predicting future values with low mean square prediction error.

SourceTokyo University of Science·JournalAdvanced Intelligent Systems·TypeExperimental study·DateJul 3, 2023
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Obesity should be renamed to improve treatment and prevention

A new study suggests renaming 'obesity' to 'adiposity-based chronic disease' to clarify the nature of the complex condition. This could help address inequities in treatment and reduce stigma associated with body size.

SourceUniversity College Cork·JournalObesity Reviews·TypeSystematic review·DateJul 3, 2023

Amazon dolphins at risk from fishing, dams and dredging

A new study reveals that Amazon river dolphins are under threat from fishing, proposed dams, and dredging, with their home ranges spanning over 50km. The dolphins were found to be on average 252km from the nearest proposed dam and 125km from the nearest dredging site.

SourceUniversity of Exeter·JournalOryx·TypeObservational study·DateJul 3, 2023

Limiting loss in leaky fibers

Researchers have figured out why some air-filled fibre designs work so much more efficiently than others. Dr Leah Murphy and Emeritus Professor David Bird from the University of Bath developed a theoretical understanding of the relationship between fibre structure and leakage loss.

SourceUniversity of Bath·JournalOptica·TypeComputational simulation/modeling·DateJul 3, 2023
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.

Scientists discover Rydberg Moiré excitons

Researchers have discovered Rydberg moiré excitons in WSe2 monolayer semiconductor adjacent to graphene, exhibiting multiple energy splittings and a pronounced red shift. The discovery holds promise for applications in sensing and quantum optics due to the strong interactions with the surroundings.

SourceChinese Academy of Sciences Headquarters·JournalScience·DateJul 3, 2023

New study reveals abrupt shift in tropical Pacific climate during Little Ice Age

A recent study analyzed sediment cores from a Philippine lake, revealing a 200-year period of drought in the western Pacific during the Little Ice Age. The researchers attribute this change to zonal gradients in sea surface temperature, which highlights the importance of understanding past climate dynamics for predicting future climate...

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalCommunications Earth & Environment·TypeExperimental study·DateJul 3, 2023

Serious monkey business: Chimpanzee heart check via digital camera

A team of researchers from the University of South Australia used a contact-free technique to extract cardiac signals from chimpanzees by filming subtle movements in their face or thorax. The study found that chimpanzees show similar responses to human babies when experiencing fear, excitement, or joy, and that nature scenes can calm t...

SourceUniversity of South Australia·JournalBehavior Research Methods·TypeData/statistical analysis·DateJul 3, 2023

Counting Africa's largest bat colony

A new method developed by the Max Planck Institute of Animal Behavior has counted Africa's largest bat colony using GoPro cameras and artificial intelligence. The estimate puts the colony at between 750,000 and 1,000,000 bats, making it the largest for bats by biomass anywhere in the world.

SourceMax-Planck-Gesellschaft·JournalEcosphere·TypeMeta-analysis·DateJul 3, 2023
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.

Researchers propose new method to measure cosmic expansion

A team of researchers has proposed a new method to measure the cosmic expansion by studying gravitational waves. The method involves counting repeat black hole mergers and analyzing the delay between them, allowing for accurate measurement of the universe's expansion rate.

SourceTata Institute of Fundamental Research·JournalPhysical Review Letters·DateJul 3, 2023

A better way to create space

Researchers at KAUST have developed a simple technique to create highly porous organic polymers, known as poly(aryl thioether), for applications in photocatalysis and optoelectronics. The material exhibits high surface area and tunable porosity, making it suitable for removing organic micropollutants and toxic mercury ions from water.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalAngewandte Chemie International Edition·DateJul 3, 2023
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

New role for taste receptors

Researchers found that bitter taste receptors can detect and respond to bile acids, which are produced in the liver and play a crucial role in fat digestion. The discovery suggests that bitter taste receptors may have evolved not only to detect food toxins but also to sense endogenous substances.

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalCommunications Biology·TypeExperimental study·DateJul 3, 2023

Chemists discover why photosynthetic light-harvesting is so efficient

Researchers found that disordered organization of proteins boosts energy transfer efficiency, allowing nearly every photon to generate an electron. This finding could lead to better understanding of photosynthesis and potential applications in artificial systems.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJul 3, 2023

Base editing shows potential superiority for curing sickle cell disease

Researchers use base editing technology to restart fetal hemoglobin expression in SCD patient cells, achieving higher and more stable levels than other genome editing technologies. The approach has potential as a 'one-size-fits-all' treatment for all mutations that cause SCD and beta-thalassemia.

SourceSt. Jude Children's Research Hospital·JournalNature Genetics·DateJul 3, 2023
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

‘Workplace AI revolution isn’t happening yet,’ survey shows

Only 36% of UK employers have invested in AI-enabled technologies like industrial robots and chatbots over the past five years, new research suggests. The survey highlights a growing skills problem, with less than 10% anticipating digital skills training investment in the coming years.

SourceUniversity of Leeds·TypeSurvey·DateJul 3, 2023

Cutting edge transistors for semiconductors of the future

Researchers at Lund University have created ferroelectric 'grains' that control tunnel junctions in transistors, allowing for individual-level control and optimization of material properties. This breakthrough enables the development of new circuit architectures for neuromorphic computing and energy-efficient semiconductors.

SourceLund University·JournalNature Communications·DateJul 3, 2023
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.

State medical cannabis laws not associated with reduced use of opioid or nonopioid pain treatments

A study of commercially insured adults with chronic noncancer pain found that state medical cannabis laws did not lead to a reduction in the use of opioid or nonopioid pain treatments. The researchers also suggested slow implementation and reluctance among healthcare leaders may have contributed to these findings.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeData/statistical analysis·DateJul 3, 2023

Transplantation of genome-edited iPS cells delivers therapeutic molecules in vivo

This study demonstrates the potential of cell therapy using genome-edited iPS cells secreting therapeutic molecules, such as mNAGA, to supply GLA activity in vivo. Transplantation of these cells improved GLA activity in the liver, but not in other organs, and future enhancements are possible through genome editing.

SourceTokyo Metropolitan Institute of Medical Science·JournalCell Transplantation·TypeExperimental study·DateJul 3, 2023

The sacrifice within – how collagen’s weak bonds help protect tissue

Scientists at Heidelberg Institute for Theoretical Studies discovered that collagen's weak sacrificial bonds rupture before the main structure, protecting tissue from excessive force. This mechanism helps to localize damage and promote recovery by dissipating mechanical stress and reducing oxidative stress in the body.

SourceHeidelberg Institute for Theoretical Studies (HITS)·JournalNature Communications·TypeComputational simulation/modeling·DateJul 3, 2023

Preventing stroke disability in a community with high rate of poverty

A new strategy targeting hospital procedures and community education led to a significant increase in thrombolysis rates, reducing post-stroke disability. The program, known as Stroke Ready, improved equity in stroke treatment for Black individuals who experience more strokes at younger ages.

SourceNorthwestern University·JournalJAMA Network Open·TypeObservational study·DateJul 3, 2023
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.

Inadequate energy intake affects female athletes

A new study from Aarhus University reveals that female athletes who consume too little energy through their diet in comparison to their training volume experience negatively impacted muscles' ability to respond to training. The study shows that insufficient energy intake can lead to changes in the hormonal system, including a decrease ...

SourceAarhus University·JournalThe Journal of Physiology·TypeRandomized controlled/clinical trial·DateJul 3, 2023

Highly oxidizing magma of the early Earth

Researchers found that the early Earth's magma ocean was significantly more oxidized than today's mantle, leading to a CO2-rich atmosphere rich in SO2. This high oxidation state likely played a crucial role in supplying biologically available organic molecules and shaping the planet's habitability.

SourceEhime University·JournalNature Geoscience·DateJul 3, 2023

Fewer teens now perceive themselves as overweight – international study of more than 745,000 adolescents

A recent international study of over 745,000 adolescents from 41 countries found a decrease in those who overestimate their weight and an increase in those who underestimate it. This shift could reduce the effectiveness of public health interventions aimed at weight reduction in young people, as they may make unhealthy lifestyle choices.

SourceTaylor & Francis Group·JournalChild and Adolescent Obesity·TypeObservational study·DateJul 3, 2023

‘Traffic control’ system for mucin and insulin secretion identified

A study published in Nature Communications reveals the controlled release of mucins and insulin by cells, with tetraspanin-8 acting as a gatekeeper. The regulated secretion is biphasic, involving rapid and slower releases of granules, which can be targeted to reset deregulated mucin and insulin secretion.

SourceCenter for Genomic Regulation·JournalNature Communications·TypeExperimental study·DateJul 3, 2023

Birds raise fewer young when spring arrives earlier in a warming world

A new study found that birds produce fewer young if they start breeding too early or late in the season, with climate change resulting in earlier springlike weather. The researchers report that birds have been unable to keep pace with the changes, leading to a mismatch between the start of spring and birds' readiness to reproduce.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJul 3, 2023
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.

Pathogenic bacteria use a sugar in the intestinal mucus layer to infect the gut, study shows

A new study reveals that pathogenic bacteria fuel their growth by consuming sialic acid, a key component of the protective intestinal mucus layer. The findings suggest a potential treatment target for intestinal bacterial infections and chronic diseases linked to gut bacteria, including IBD and celiac disease.

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJul 3, 2023

New aluminium radical battery promises more sustainable power

Researchers at Flinders University and Zhejiang Sci-Tech University have developed a novel aluminium radical battery that uses water-based electrolytes, delivering stable voltage output and high capacity. The design has potential to replace hazardous materials in traditional batteries and provide a sustainable energy storage system.

SourceFlinders University·JournalJournal of the American Chemical Society·TypeExperimental study·DateJul 2, 2023

Finding middle ground: Flow regimes designed for salmon and energy value

Researchers developed models to schedule flow releases from a California reservoir, finding that pulse flows could benefit salmon while maximizing electricity generation. The study identified optimal flow regimes that aligned economic and salmon objectives during early summer, but diverged in mid-winter.

SourceKeAi Communications Co., Ltd.·JournalWater Biology and Security·TypeData/statistical analysis·DateJul 2, 2023
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Young cancer survivors at higher risk of depression, anxiety and other mental health disorders: NUS study

A review and analysis of 52 studies found childhood, adolescent, and young adult cancer patients and survivors are at an increased lifetime risk of developing depression and anxiety even after cancer remission. Higher education, income, and social support lower the risk of these mental health disorders.

SourceNational University of Singapore, Yong Loo Lin School of Medicine·JournalJAMA Pediatrics·TypeMeta-analysis·DateJul 2, 2023
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Urine tests identify brain tumors by capturing cancer DNA using nanowires

Researchers have developed a technology to capture and release cell-free DNA from urine using nanowire surfaces, successfully detecting IDH1 mutation in glioma patients. This method opens possibilities for the detection of other tumor mutations and could revolutionize cancer diagnosis.

SourceNagoya University·JournalBiosensors and Bioelectronics·DateJul 2, 2023

A dynamic systems model for effective low-carbon transitions

A new dynamic systems model supports low-carbon transitions by analyzing local stability and formulating effective policy strategies. The model aligns with Agent-Based Models, enabling policymakers to make informed choices and align national policies with sustainable development goals.

SourceKeAi Communications Co., Ltd.·JournalJournal of Economy and Technology·TypeComputational simulation/modeling·DateJul 2, 2023

Accurate self-assessment: what matters for children

Researchers examined almost 600 families and found that children from disadvantaged families struggle to accurately assess their abilities. A mentoring program improved their self-assessment skills, leading to better life outcomes.

SourceUniversity of Würzburg·JournalJournal of Public Economics·TypeRandomized controlled/clinical trial·DateJul 1, 2023

New study explores single-particle mass spectral signatures and real-world emissions of brake wear particles

Researchers developed a method to quantify real-world emission of brake wear particles, finding that approximately 4.0% of PM in the tunnel was attributable to brake wear. The study identified three main types of brake particles, including barium-containing and carbon-containing particles, contributing to air pollution.

SourceChinese Society for Environmental Sciences·JournalEnvironmental Science and Ecotechnology·DateJul 1, 2023

Engineered approach to remove protein aggregates from cells

A new study describes an engineered approach that makes protein aggregates amenable to spatial manipulations in both budding yeast and human cells. This system allows for the export of protein aggregates from cells, potentially protecting mother cells from toxicity and contributing to a better understanding of neurodegenerative diseases.

SourceUniversity of Gothenburg·JournalNature Communications·TypeExperimental study·DateJun 30, 2023
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.

Immune-boosting therapy helps honey bees resist deadly viruses

A novel therapy boosting honey bees' immune systems has shown significant success in reducing virus activity and improving colony survival. The treatment uses a compound called pinacidil to increase free radicals, signaling the immune system to fight off viruses.

SourceUniversity of Florida·JournalVirology Journal·DateJun 30, 2023

Discovering features of band topology in amorphous thin films

Scientists verify that amorphous materials can host unique topological properties, applicable to sensing technology and IoT development. They successfully demonstrated the anomalous Hall effect and Nernst effect in iron-tin amorphous thin films.

SourceTohoku University·JournalNature Communications·DateJun 30, 2023

SRSF1 is crucial for male meiosis through alternative splicing during homologous pairing and synapsis in mice

This study reveals SRSF1's critical role in regulating homologous pairing and synapsis during male meiosis through alternative splicing. SRSF1 interacts with TRA2B and U2AF2 to regulate key genes involved in homologous pairing and synapsis, leading to impaired homologous pairing and synapsis in conditional knockout mice.

SourceScience China Press·JournalScience Bulletin·DateJun 30, 2023

Scientists discover clues to aging and healing from a squishy sea creature

Researchers discovered that a tiny sea creature, Hydractinia, regenerates its entire body with help from aging cells, providing insights into the interconnectedness of healing and aging. The study suggests that senescence may have evolved as a regeneration mechanism in ancient animals.

SourceNIH/National Human Genome Research Institute·JournalCell Reports·TypeExperimental study·DateJun 30, 2023
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.

New study by GWU professor reveals breakthrough “brain fitness program” for patients with ADHD, concussion, and memory loss

A new study reveals a 12-week brain fitness program with coaching and lifestyle interventions improves patients' memory, attention, mood, and sleep. The program demonstrates significant improvements in cognitive function and reduces symptoms for ADHD, concussion, and memory loss patients.

SourceIOS Press·JournalJournal of Alzheimer s Disease Reports·TypeMeta-analysis·DateJun 30, 2023