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Science News Archive August 2024 - Page 19


Page 19 of 38

Ancient DNA reveals Indigenous dog lineages found at Jamestown, Virginia

Researchers sequenced mitochondrial DNA from archaeological dogs and discovered six with Indigenous North American ancestry. The findings suggest that dogs were not immediately eradicated when Europeans arrived and may have had interbreeding.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalAmerican Antiquity·TypeExperimental study·DateAug 16, 2024

Researchers make breakthrough in fight against COVID-19

Researchers at Rice University and Northeastern University have made a discovery in the fight against COVID-19, uncovering new insights into how the virus infects human cells and can be neutralized. They found that antibodies targeting a specific part of the spike protein can bind to it and prevent the virus from entering human cells.

SourceRice University·JournalScience·DateAug 16, 2024

Same person. Different place. Twice the odds of a dementia diagnosis.

A new national study reveals significant regional variations in the likelihood of being diagnosed with Alzheimer's disease or another form of dementia. Despite controlling for demographic and population-level risk factors, the study found that differences in diagnostic intensity persist across regions.

SourceMichigan Medicine - University of Michigan·JournalAlzheimer s & Dementia·TypeObservational study·DateAug 16, 2024
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Rethinking the dodo

Researchers from the University of Southampton have reviewed 400 years of scientific literature to correctly classify the Dodo and its closest relative. The study confirms that both birds were members of the columbid family and challenges common misconceptions about their extinction.

SourceUniversity of Southampton·JournalZoological Journal of the Linnean Society·TypeLiterature review·DateAug 16, 2024

Rare diseases point to connections between metabolism and immunity

A new study reveals a connection between metabolic genes and immune system T cells, suggesting a potential new class of inborn errors of immunometabolism. Researchers identified genetic overlap between disorders of metabolism and immunity, pointing to a continuum between the two conditions.

SourceVanderbilt University Medical Center·JournalScience Immunology·TypeExperimental study·DateAug 16, 2024
Apple iPhone 17 Pro

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

The bee’s knees: New tests created to find fake honey

Researchers at Cranfield University have developed two new methods to authenticate UK honey: one using Spatial Offset Raman Spectroscopy (SORS) and the other employing DNA barcoding. The SORS method detects sugar syrups with high accuracy, while DNA barcoding identifies syrups even at low adulteration levels.

SourceCranfield University·JournalFood Control·DateAug 16, 2024

Cell death types and their relations to host immune pathways

Researchers have proposed a framework encompassing all discovered host immunological pathways, including TH1, TH2a, TH2b, TH3, TH9, TH17, TH22, TH1-like, and THαβ immune reactions. These relationships can help understand host defense mechanisms against invading pathogens and provide insights for developing better therapeutic strategies.

SourceImpact Journals LLC·JournalAging-US·TypeSystematic review·DateAug 16, 2024

Decoding mysterious seismic signals

Scientists have found that PKP precursors originate from ultra-low velocity zones in the Earth's mantle, which are likely generated by melting mid-ocean ridge basalts. These zones are not limited to hotspots, but rather spread across the core-mantle boundary beneath North America.

SourceUniversity of Utah·JournalAGU Advances·TypeComputational simulation/modeling·DateAug 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.

Unveiling the power of hot carriers in plasmonic nanostructures

Hot carriers are electrons with a surplus of energy generated by light in plasmonic nanostructures, enabling novel applications and driving chemical reactions at the surface. Harnessing their power could lead to ultrafast electronics, efficient solar cells, and precise nanomedicine applications.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournaleLight·DateAug 16, 2024

Green light for accurate vegetation research: new evaluation of global SIF datasets

A recent study evaluates eight widely-used solar-induced chlorophyll fluorescence (SIF) products to identify the most accurate tools for tracking global vegetation productivity and phenology. The research finds that Global OCO-2 SIF (GOSIF) and Contiguous Solar-Induced Fluorescence (CSIF) datasets excel in capturing spatiotemporal vari...

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·DateAug 16, 2024

Numerous manufacturers use insecure android kernels

A comprehensive analysis by researchers at TU Graz found that numerous Android manufacturers use insecure kernels, leaving devices susceptible to one-day exploits. The study revealed that only between 29-55% of tested smartphones prevented attacks, with manufacturer kernels performing up to 4.6 times worse than the Generic Kernel Image.

SourceGraz University of Technology·TypeData/statistical analysis·DateAug 16, 2024

Nitrogen interventions as a key to better health and robust ecosystems

A new study found that nitrogen interventions can significantly lower air pollution and ecosystems damage, preventing premature deaths and crop losses. By 2050, high-ambition measures could cut ammonia and nitrogen oxides emissions by 40% and 52%, respectively.

SourceInternational Institute for Applied Systems Analysis·JournalScience Advances·DateAug 16, 2024

Green warriors: plants on the frontline against microplastics

A recent study published in Eco-Environment & Health explores the potential of phytoremediation to alleviate micro/nanoplastic pollution. The research identifies possible mechanisms and technological pathways for phytoremediation to combat plastic pollution, potentially delivering a sustainable solution.

SourceNanjing Institute of Environmental Sciences, MEE·JournalEco-Environment & Health·DateAug 16, 2024
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Intelligent diagnosis of atrial septal defect in children using echocardiography with deep learning

Researchers developed an AI-powered method to automatically diagnose ASDs in children using color Doppler images from echocardiograms, addressing the limitations of manual diagnosis and image segmentation. The deep learning model accurately identified ASDs with high accuracy, potentially improving treatment outcomes for affected children.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalVirtual Reality & Intelligent Hardware·DateAug 16, 2024

Mount Sinai researchers discover novel nanoparticles in blood with potential to transform cancer diagnosis

Researchers at Mount Sinai have identified a new class of RNAs packed into tiny particles known as extracellular vesicles that could revolutionize how cancer and other diseases are diagnosed. These molecules undergo changes when cancer is present, suggesting their potential as biomarkers for detecting prostate cancer.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Extracellular Vesicles·TypeExperimental study·DateAug 16, 2024

Where should hydrogen be produced in the future?

The study predicts that regions like Canada, the central US, Australia, and parts of Africa are ideal for future hydrogen production. These areas have sufficient wind resources, open spaces, and low solar radiation levels to support electrolysis-based hydrogen production.

SourcePaul Scherrer Institute·JournalNature Communications·TypeSurvey·DateAug 16, 2024

Researchers discover smarter way to recycle polyurethane

A research team from Aarhus University has found a method to recycle polyurethane foam into its original components, polyol and isocyanate. The new process recovers up to 82 weight percent of the material, making it possible to reuse them as raw materials in new PUR products.

SourceAarhus University·JournalGreen Chemistry·TypeExperimental study·DateAug 16, 2024
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

New research shows patients with rare cancers face increased risk of developing anxiety and depression

A recent review of 57,470 patient cases shows that rare cancer patients are nearly three times more likely to develop anxiety and depression compared to common cancer patients. The study highlights the need for early identification and intervention to address mental health risks in this group.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalEClinicalMedicine·TypeMeta-analysis·DateAug 16, 2024

Combining machine and deep transfer learning for mediastinal lymph node evaluation in patients with lung cancer

A new approach combining machine and deep transfer learning improves the accuracy of diagnosing mediastinal lymph node metastases in lung cancer. The study developed a model that achieved strong classification performance even with limited datasets, enhancing healthcare management.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalVirtual Reality & Intelligent Hardware·DateAug 16, 2024

Researchers investigate parent perceptions of virtual learning

The study found that parents experienced significant stress due to the transition to virtual learning, with many reporting difficulties in monitoring their children's work and managing their own schedules. However, some parents reported positive experiences with virtual learning, particularly for students with special needs, highlighti...

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalSocial Education Research·TypeObservational study·DateAug 16, 2024

Faster than one pixel at a time – new imaging method for neutral atomic beam microscopes developed by Swansea researchers

Researchers have developed a new imaging method for neutral atomic beam microscopes that can improve image resolution without significantly increasing measurement time. The new method uses magnetic spin precession to encode the position of beam particles, which interact with the sample.

SourceSwansea University·JournalNature Communications·TypeImaging analysis·DateAug 16, 2024
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.

Liquid-liquid phase separation in diseases

Researchers explore the phenomenon of liquid-liquid phase separation (LLPS) in relation to cancer and neurodegenerative diseases. LLPS is characterized by the spontaneous formation of segregated liquid-phase regions within cells, which can lead to the formation of aggregates and dysregulation of signaling pathways.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm·TypeLiterature review·DateAug 16, 2024

Why isn't Colorado's snowpack ending up in the Colorado River? New research suggests the problem might be the lack of spring rainfall

A recent study by University of Washington researchers found that warmer, drier springs account for almost 70% of the discrepancy between predicted and actual streamflow in Colorado. The team's findings suggest that plants rely more on snowmelt during dry springs, leaving less water to flow into nearby streams.

SourceUniversity of Washington·JournalGeophysical Research Letters·DateAug 16, 2024
Fluke 87V Industrial Digital Multimeter

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

Advanced U-net segmentation model using residual grouped convolution and attention mechanism for brain tumor MRI image segmentation

This study presents an advanced U-net segmentation model for brain tumor MRI image segmentation, which incorporates residual grouped convolution and attention mechanisms. The proposed model achieves improved feature extraction ability and segmentation accuracy, resulting in better performance than traditional CNN methods.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalVirtual Reality & Intelligent Hardware·DateAug 16, 2024

Knocking out one key gene leads to autistic traits

A recent study discovered that knocking out a key gene, ASTN2, in mice results in changes to cerebellar structure and behavior. The knockout mice exhibited reduced socialization and communication, increased hyperactivity and repetitive behavior, similar to hallmark traits of autism spectrum disorder.

SourceRockefeller University·JournalProceedings of the National Academy of Sciences·DateAug 16, 2024

New AI tool captures how proteins behave in context

The new AI tool PINNACLE overcomes limitations of current models by analyzing protein behavior in context. It can predict narrowly tailored drug targets for malfunctioning proteins, enabling better understanding of vital cellular processes and disease mechanisms.

SourceHarvard Medical School·JournalNature Methods·TypeComputational simulation/modeling·DateAug 16, 2024
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Automatic detection of breast lesions in automated 3D breast ultrasound with cross-organ transfer learning

Researchers developed a deep learning framework using cross-organ transfer learning to improve breast cancer detection, leveraging experience from pulmonary nodules. The study applied supervised contrastive learning to distinguish normal tissue features from breast nodules, boosting model performance.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalVirtual Reality & Intelligent Hardware·DateAug 16, 2024

It’s a rave – underground acoustics amplify soil health

Researchers have discovered that healthy soils produce unique sound profiles reflecting the diversity of tiny living organisms. This technology holds promise in addressing global needs for effective soil biodiversity monitoring methods to protect ecosystems.

SourceFlinders University·JournalJournal of Applied Ecology·TypeObservational study·DateAug 16, 2024

Exploring options for the sustainable management of phosphorus

A new IIASA study assesses the feasibility of recovering phosphorus from Swedish municipal wastewater as a sustainable source, providing alternative fertilizers. The researchers found that economic viability varies between individual plants and hub strategies, with collaborative approaches offering cost savings.

SourceInternational Institute for Applied Systems Analysis·JournalSustainable Production and Consumption·DateAug 16, 2024

Revolutionizing thermoelectric technology: Hourglass-shaped materials achieve a 360% efficiency boost

Researchers at POSTECH have developed an innovative approach to enhance the efficiency of thermoelectric materials by altering their geometry to resemble an hourglass shape. This breakthrough could lead to widespread applications in thermoelectric power generation, converting waste heat into electricity.

SourcePohang University of Science & Technology (POSTECH)·JournalNature Energy·DateAug 16, 2024
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.

Equity weighting increases the social cost of carbon, warrants careful dialogue

The new equity weighting approach recommended by the OMB leads to a dramatic increase in SCC estimates, emphasizing the importance of considering vulnerable populations. This shift towards ethical implications of climate policies has significant implications for cost-benefit analyses and requires careful scientific and policy dialogue.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateAug 15, 2024

Probiotics during pregnancy shown to help moms and babies

A new study by Ohio State University Wexner Medical Center found that probiotics can improve the immune system and behavior of both mothers and their offspring during pregnancy. Probiotics may also help counteract negative effects of prenatal stress, such as changes in brain inflammation and amino acid metabolism.

SourceOhio State University Wexner Medical Center·JournalBrain Behavior and Immunity·TypeExperimental study·DateAug 15, 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.

Sleep resets neurons for new memories the next day

A Cornell University study finds that sleep resets vital brain function by silencing certain parts of the hippocampus, allowing neurons to reset and enable new learning. This mechanism could lead to breakthroughs in boosting memory and erasing negative memories in conditions like Alzheimer's disease and PTSD.

SourceCornell University·JournalScience·DateAug 15, 2024

Nanobody inhibits metastasis of breast tumor cells to lung in mice

Researchers developed a nanobody that targets V-ATPase c subunit and inhibits tumor cell invasion and metastasis. The nanobody was tested on 4T1-12B mouse breast cancer cells implanted in mice, where it showed effectiveness in preventing lung metastasis.

SourceImpact Journals LLC·JournalOncotarget·TypeNews article·DateAug 15, 2024
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.

ECU medical researchers confirm genetic link between Alzheimer’s and heart disease

Researchers at Edith Cowan University have uncovered a significant genetic connection between Alzheimer's disease and several coronary artery disease-related disorders, offering opportunities to improve health outcomes. The study found that some of the same genes played a role in or are associated across these conditions.

SourceEdith Cowan University·JournalInternational Journal of Molecular Sciences·TypeMeta-analysis·DateAug 15, 2024

YALE NEWS: Brain wiring is guided by activity even in very early development

Researchers at Yale University have discovered that brain cells begin to coalesce into wired networks during early development before experience has a chance to shape the brain. Cells that fire together wire together, and synchronization of their activity leads to strengthened associations, according to the new study published in Science.

SourceYale University·JournalScience·DateAug 15, 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.

From shrimp to steel: Introducing nature-inspired metalworking

Researchers at Singapore University of Technology and Design have developed a novel approach to metalworking using chitinous colloids and composites. By leveraging the affinity between chitin and metals, they created functional metallic structures without high temperatures or pressures.

SourceSingapore University of Technology and Design·JournalAdvanced Functional Materials·DateAug 15, 2024

Work-related stress a clear risk factor for sick leave

A University of Gothenburg study found that work-related stress, particularly job conflicts and lack of influence, significantly increase the risk of future sick leave. Women who experienced these stressors were more than twice as likely to take sick leave, with adjusted factors indicating a significant impact on their wellbeing.

SourceUniversity of Gothenburg·JournalScandinavian Journal of Primary Health Care·TypeObservational study·DateAug 15, 2024
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Scientists map DNA of Lyme disease bacteria

Researchers sequenced the complete genomes of Lyme disease bacteria representing all 23 known species, tracing the origins back millions of years. The study provides valuable tools and insights for combating the rising public health threat of Lyme disease.

SourceThe Graduate Center, CUNY·JournalmBio·TypeData/statistical analysis·DateAug 15, 2024

Nasal spray flu vaccine candidate based on UW–Madison technology shows promise when administered alongside high dose annual shot

A nasal spray flu vaccine candidate developed by UW–Madison researchers has shown safety and potential to bolster protection against seasonal and pandemic influenza in vulnerable individuals. Administered alongside the annual flu shot, the vaccine may provide better protection for seniors.

SourceUniversity of Wisconsin-Madison·JournalThe Lancet Infectious Diseases·DateAug 15, 2024