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Science News Archive September 2023 - Page 5


Page 5 of 37

Swimming lessons often discourage kids from just having fun in the pool

Researchers from the Netherlands found that traditional swimming lessons in the country often discourage children from having fun in the pool. By adopting a teaching style based on self-determination theory, instructors can nurture autonomy, competence, and relatedness, leading to improved swimming skills and increased enjoyment. The s...

SourceFrontiers·JournalFrontiers in Sports and Active Living·TypeObservational study·DateSep 27, 2023

IISc team develops fully indigenous gallium nitride power switch

The IISc team developed a fully indigenous GaN power switch, comparable to state-of-the-art switches, with a switching time of about 50 nanoseconds. The device's performance is suitable for applications such as power converters for electric vehicles and laptops, as well as wireless communications.

SourceIndian Institute of Science (IISc)·JournalMicroelectronic Engineering·DateSep 27, 2023

ETRI confirms possibility of wireless communication 40m underground in mine

Researchers at ETRI successfully developed the world's first Subterranean Magnetic Field Communication Core Technology, enabling voice signal-level capacity up to 40 meters below the Earth's surface. This technology promises to bring substantial changes to the underground mining industry by facilitating communication during emergencies...

SourceNational Research Council of Science & Technology·DateSep 27, 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.

Toward high-efficiency thin crystalline silicon solar cells

A new strategy optimizes optical and electrical characteristics of thin c-Si solar cells, improving conversion efficiency by 28% compared to industrial thick counterparts. The proposed design uses a layer transfer method and metal nanofilms for enhanced light absorption and surface passivation.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Photonics for Energy·DateSep 27, 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.

Optimization of oil industry wastewater treatment system and proposing empirical correlations for chemical oxygen demand removal using electrocoagulation and predicting the system’s performance by artificial neural network

Researchers developed an advanced wastewater treatment system using electrocoagulation to remove chemical oxygen demand pollutants. The system achieved optimal COD removal under specific conditions, and an artificial neural network model accurately predicted COD removal rates.

SourcePeerJ·JournalPeerJ·DateSep 27, 2023

Researchers of the Josep Carreras Institute create a model of childhood leukemia through gene edition

Scientists have developed a cellular model that behaves like childhood leukemia in patients, shedding light on the disease's complexities. The model mimics key features of B-cell Acute Lymphoblastic Leukemia (B-ALL), particularly those with the MLL::AF4 gene fusion, which has a poor prognosis.

SourceJosep Carreras Leukaemia Research Institute·JournalBlood·TypeExperimental study·DateSep 27, 2023

Integration propels machine vision

A joint research team published a review on in-sensor visual computing, a three-in-one hardware solution that overcomes high latency, power consumption, and privacy risks. The SCAMP chip is a key device, enabling general-purpose, programmable, and massively parallel systems for robotics and computer vision.

SourceIntelligent Computing·JournalIntelligent Computing·DateSep 27, 2023

Powering the quantum revolution: Quantum engines on the horizon

Researchers at OIST have developed a quantum engine that uses the principles of quantum mechanics to create power, replacing traditional fuel-based methods. The engine's efficiency can reach up to 25% and has potential applications in devices such as batteries and sensors.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalNature·DateSep 27, 2023
Apple iPhone 17 Pro

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

Robust channel estimation based on MEP

A novel self-adaptive CE algorithm based on the maximum entropy principle (MEP) analyzes statistical components of noise environments for accurate channel estimation. The proposed method reduces pilot consumption by using estimated signal data as pseudo pilots, achieving superior performance in accuracy and robustness.

SourceScience China Press·JournalScience China Information Sciences·DateSep 27, 2023

Advancing technologies for using cells as biofactories

A comprehensive review explores how industrial biotechnology and biopharmaceutical manufacturing leverage similar frameworks for efficient biochemical production. Advances in synthetic biology, genetic engineering, and high-throughput screening have contributed to rapid progress in new product development.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalIndustrial Biotechnology·TypeCase study·DateSep 27, 2023

New study finds children of color and from low-income families are exposed to more toxic chemicals and experience greater harm

A new study review found children from families with low incomes and families of color are exposed to more neurotoxic chemicals, leading to greater harm on brain development. This disparity is attributed to their neighborhoods being located near factories, chemical plants, highways, and agricultural fields where pesticides are applied.

SourceUniversity of Maryland·JournalEnvironmental Health Perspectives·DateSep 27, 2023

New evidence for sub-network specializations within the Default Mode Network and the Special Role of Facial Movements in Brain Activation and Self-Perception

Researchers found differential activation patterns of the Default Mode Network nodes, with facial movement inducing an inverted positive BOLD pattern in certain areas. Facial recognition and movement uniquely impact brain activity, highlighting their importance in cognitive and social development.

SourceReichman University·JournalRestorative Neurology and Neuroscience·TypeExperimental study·DateSep 27, 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.

Protein p53 regulates learning, memory, sociability in mice

Researchers discovered protein p53's role in regulating sociability, repetitive behavior, and hippocampus-related learning and memory in mice. Lowering p53 levels led to changes in gene expressions related to behavior, while elevated p53 levels were linked to positive learning outcomes.

SourceBeckman Institute for Advanced Science and Technology·JournalMolecular Psychiatry·TypeExperimental study·DateSep 27, 2023

Polyps as pixels: innovative technique maps biochemistry of coral reefs

A new approach allows researchers to create maps of coral biochemistry, detailing the distribution of compounds integral to reef health. This innovation provides unprecedented insight into coral resilience and potential stressors like warmer ocean temperatures and acidification.

SourceUniversity of Hawaii at Manoa·JournalCommunications Biology·TypeData/statistical analysis·DateSep 27, 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.

Tiny CRISPR tool could help shred viruses

Rice University scientists developed a tiny CRISPR-Cas13 system to shred viruses by targeting RNA. The system's unique mechanism and three-dimensional structure were mapped using cryo-electron microscopy, allowing researchers to engineer it for improved precision and specificity.

SourceRice University·JournalNature Communications·TypeExperimental study·DateSep 27, 2023

Perioperative changing patterns and longitudinal trajectories of CA242 with colorectal cancer prognosis: A retrospective longitudinal cohort study

This study examines CA242 levels before and after surgery to determine their predictive value for colorectal cancer (CRC) prognosis. The findings indicate that persistent elevated postoperative CA242 levels, high postoperative-to-preoperative CA242 ratio, and rising CA242 trajectories are associated with poor CRC outcomes.

SourceScience China Press·JournalScience Bulletin·DateSep 27, 2023

Selenium vacancies regulate d-band centers in Ni3Se4 toward paired electrolysis in anion-exchange membrane electrolyzers for upgrading N-containing compounds

A new method uses Ni3Se4 with Se vacancies to regulate d-band centers and facilitate paired electrolysis of nitrate reduction and benzylamine oxidation, yielding valuable nitrogen-containing compounds. The approach offers a lower cost and higher profit compared to non-paired electrolysis.

SourceScience China Press·JournalScience China Chemistry·DateSep 27, 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.

New information on the most important early stage of embryonic development

Researchers at the University of Helsinki and NIH found that the ectoderm retains its pluripotency during gastrulation, challenging previous understanding. This discovery sheds light on the chain of events in early embryonic development and has implications for neural crest stem cell potential.

SourceUniversity of Helsinki·JournalNature Communications·DateSep 27, 2023

Ultrasound enables gene delivery throughout the brain

Researchers at Rice University have developed a non-invasive gene delivery technique using ultrasound to efficiently deliver clinically used gene therapy vectors throughout the brain. The study, published in Gene Therapy, shows that opening more sites within targeted regions improves gene delivery efficiency.

SourceRice University·JournalGene Therapy·TypeExperimental study·DateSep 27, 2023

New technologies aid in accurately identifying bone fragility

The presentation discusses newer non-invasive technologies like trabecular bone score (TBS) and vertebral fracture assessment (VFA) to assess bone health. These advances provide additional information beyond bone mineral density, helping to identify patients at risk for fractures.

SourceThe Menopause Society·DateSep 27, 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.

How the heart starts beating

Heart cells in developing zebrafish transition from silence to beating in a simultaneous, coordinated manner. Each cell can beat independently, and the heartbeat starts from different locations in different zebrafish.

SourceHarvard Medical School·JournalNature·DateSep 27, 2023

Researchers dynamically tune friction in graphene

Researchers at the University of Illinois have successfully tuned graphene surface friction using external electric fields, allowing for dynamic control of friction. This breakthrough could lead to reduced energy consumption in nano- and micro-electromechanical systems and mitigate wear and corrosion of sliding surfaces.

SourceUniversity of Illinois Grainger College of Engineering·JournalNature Communications·DateSep 27, 2023

New insights into soil liquefaction during earthquakes research reveals

Soil liquefaction, a destructive phenomenon during earthquakes, is redefined by this groundbreaking study. Liquefaction can now be understood to occur in drained conditions with low seismic-energy density levels, triggered by seismic shaking facilitating interstitial fluid flow within the soil.

SourceThe Hebrew University of Jerusalem·JournalNature Communications·TypeComputational simulation/modeling·DateSep 27, 2023
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.

Have you heard about the “whom of which” trend?

A linguistic phenomenon reveals specific rules governing sentence construction, shedding light on universal features of human language. The researchers found that 'whom of which' obeys strict rules, contributing to a larger discussion about syntax and the existence of pied piping.

SourceMassachusetts Institute of Technology·JournalGlossa a journal of general linguistics·DateSep 27, 2023

Cutting the odds of drug-resistant pathogens emerging in wastewater

Researchers at KAUST discovered that certain combinations of stressors increase gene-transfer rates, while others reduce it. They found synergistic effects from combining stressors like UV light and disinfection chemical byproducts, as well as antagonistic effects from chloroform.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Water·DateSep 27, 2023

NIH study identifies foods to help pregnant people optimize intake of key nutrients

Researchers found that no single food meets daily requirements for six essential nutrients during pregnancy, but some low-calorie options like raw seaweed and ready-to-drink nutritional shakes can help fill the gaps. The study highlights a variety of nutrient-rich foods and beverages that pregnant people can add to their diets.

SourceEnvironmental influences on Child Health Outcomes·JournalJournal of Nutrition·TypeObservational study·DateSep 27, 2023

Can you actually have a hot flash in cold weather?

Researchers found a significant association between brown adipose tissue activity and bothersome hot flashes during the coldest months of the year. The study suggests that declining estrogen levels may lead to changes in body core temperature, triggering sweating responses.

SourceThe Menopause Society·DateSep 27, 2023
Meta Quest 3 512GB

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

Racial discrimination among teens linked to unhealthy stress hormone levels

Researchers found that peer discrimination had the greatest impact on cortisol levels in teens, leading to unhealthy cortisol patterns and chronic disease risks. The study also highlights the need for policies and programs to eliminate racial discrimination and its negative health effects.

SourceUniversity of Michigan·JournalPsychosomatic Medicine·DateSep 27, 2023

Revolutionary breakthrough: human stomach micro-physiological system unveiled

A new biomimetic chip has been developed to simulate the human gastric mucosa, combining organoid and organ-on-a-chip technologies. The biochip replicates mechanical stimulation and cell-to-cell interactions, mimicking key features of the human stomach's defense mechanisms.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalAdvanced Science·DateSep 27, 2023

It's easier to get valuable metals from battery waste if you ‘flash’ it

Researchers at Rice University have developed a high-yield, low-cost method for reclaiming metals directly from mixed battery waste. The new process uses the 'flash' technique to separate critical metals, reducing energy and acid consumption by up to 100-fold and lowering carbon dioxide emissions.

SourceRice University·JournalScience Advances·TypeExperimental study·DateSep 27, 2023
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.

Atlantic walrus more vulnerable than ever to Arctic warming

A new study reveals that Atlantic walrus populations are highly fragmented due to climate-driven genetic separation, making them more vulnerable to extinction. Human activities such as hunting, commercial exploitation, and resource extraction further exacerbate this vulnerability.

SourceLund University·JournalProceedings of the Royal Society B Biological Sciences·DateSep 27, 2023

Risk of premature birth from smoking while pregnant more than double previous estimates

Researchers at the University of Cambridge found that smoking during pregnancy increases the risk of premature birth by 2.6 times and small for gestational age by four times. Babies born to smokers are also more likely to have low birth weight, increasing their risk of developmental problems and poorer health in later life.

SourceUniversity of Cambridge·JournalInternational Journal of Epidemiology·TypeObservational study·DateSep 27, 2023

Monitoring of radio galaxy M87 confirms black hole spin

A team of researchers confirmed the spin of a black hole in galaxy M87 by analyzing data from 2000-2022, showing an 11-year cycle in its jet's precessional motion. The findings provide evidence that the black hole spins, enhancing our understanding of supermassive black holes.

SourceChinese Academy of Sciences Headquarters·JournalNature·DateSep 27, 2023

Elevating biogas upgrading performance on renewable aqueous ammonia solution via a novel “membrane method”

Researchers have developed a novel membrane method to upgrade biogas performance using renewable aqueous ammonia solution, reducing CO2 and H2S impurities. The solution offers negligible CH4 loss and high reaction rate, making it an efficient alternative to traditional biogas upgrading technologies.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeExperimental study·DateSep 27, 2023
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 reveals dynamic factors shaping biodiversity at small scales

Researchers studying arboreal ants in a Florida forest explore how resource availability and competition shape biodiversity. The study found that both resource availability and competition among species are important for maintaining biodiverse communities, with the relative importance of these processes dependent on scale.

SourceGeorge Washington University·JournalProceedings of the Royal Society B Biological Sciences·DateSep 27, 2023

Stemming the tide of antibiotic resistance – researchers shed light on the complexities of hospital wastewater treatment

A multidisciplinary team investigates hospital wastewater samples and demonstrates the effectiveness of photocatalytic treatment in reducing pharmaceutically active compounds and bacteria. The study highlights the challenges posed by antibiotic-resistant bacteria and suggests a promising step towards sustainable wastewater treatment.

SourceSociety of Chemical Industry·JournalJournal of Chemical Technology and Biotechnology·DateSep 27, 2023
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Decriminalizing drug possession not linked to higher overdose death rates in Oregon or Washington

A new study published in JAMA Psychiatry found that decriminalization policies in Oregon and Washington did not lead to increases in fatal overdose deaths. The research used a rigorous quasi-experimental design and found no statistical significance in overdose death rates between the two states and a synthetic control group.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJAMA Psychiatry·DateSep 27, 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.

Protecting lands slows biodiversity loss among vertebrates by five times

A new study suggests that protecting large areas of land can help stem biodiversity loss, with vertebrates declining 0.4% per year inside protected areas compared to 1.8% outside. The study highlights the importance of proper governance for the success of protected lands and their role in conserving biodiversity.

SourceSmithsonian·JournalNature·TypeMeta-analysis·DateSep 27, 2023

Scientists identify promising Colorado wilderness areas for wolf recolonization

Researchers developed an analysis framework to predict wolf movement and conflict risk in advance, identifying a complex of federal Wilderness areas as the best location for reintroduction. The study highlights the critical role of Wilderness areas in providing habitat and connectivity for species with a history of conflict with humans.

SourceUSDA Forest Service - Rocky Mountain Research Station·JournalJournal of Applied Ecology·TypeComputational simulation/modeling·DateSep 27, 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.