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Science News Archive 2023 - Page 41


Page 41 of 444

Urban waterfowl are important seed dispersers for native and alien plants

A new study found that urban waterfowl, including mallards and Canada geese, play a crucial role in spreading native and alien plants through seed dispersal. The birds disperse seeds for both aquatic and terrestrial plants, with mallards focusing on aquatic plants and geese on terrestrial ones.

SourceHun-Ren Ökológiai Kutatóközpont·JournalEcology and Evolution·TypeExperimental study·DateNov 22, 2023
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Low-pH-dependent RNA binding and oligomerization of SID-1 transmembrane family proteins: implications for their RNA transport activity

Human SIDT1 and SIDT2 proteins form dimers and higher-order oligomers to bind small RNAs in a pH-dependent manner, enabling their transport into the cytoplasm. This study elucidates the molecular basis of RNA uptake by these proteins, shedding light on their functional regulation.

SourceNanjing University School of Life Sciences·JournalCell Research·TypeExperimental study·DateNov 22, 2023

Photonic integrated neuro-synaptic core for convolutional spiking neural network

A new photonic integrated synaptic chip simulates biological neurons' plasticity and achieves nonlinear spike activation rates of 2GHz. This innovation enables the realization of monolithic large-scale photonic spiking neural networks, promoting applications in data centers, edge computing, and autonomous driving.

SourceCompuscript Ltd·JournalOpto-Electronic Advances·DateNov 22, 2023

Magnetic graphene for low-power electronics

Magnetic graphene has been developed to induce and directly quantify spin splitting in two-dimensional materials. The technology offers a promising avenue for advancing the field of two-dimensional spintronics with applications for low-power electronics.

SourceNational University of Singapore·JournalAdvanced Materials·TypeExperimental study·DateNov 22, 2023
Apple iPhone 17 Pro

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

Unraveling paddy soil secrets: Surprising contribution of nonmicrobial mechanisms to CO2 emissions

Researchers found that non-living processes involving reactive oxygen species play a significant role in paddy soils' CO2 emissions. The study highlights the importance of understanding the interplay between organic carbon and both living and non-living contributors to devise effective strategies against global warming.

SourceNanjing Institute of Environmental Sciences, MEE·JournalEco-Environment & Health·DateNov 22, 2023

New remote sensing dataset improves global land change tracking

Researchers created a large-scale remote sensing annotation dataset to support Earth observation research and monitor global land cover changes. The Globe230k dataset provides new insights into the dynamic monitoring of global land cover, enabling high-level semantic understanding of land use.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·TypeImaging analysis·DateNov 22, 2023
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.

Novel MRI reveals brain changes in long-COVID patients

A study using a novel MRI technique found that people with long COVID exhibit distinct brain changes compared to those who have fully recovered from COVID-19. The research suggests that these changes are associated with symptoms such as fatigue, cognitive impairment, and impaired sense of smell.

SourceRadiological Society of North America·DateNov 22, 2023

Lidocaine may be able to kill certain cancer cells by activating bitter taste receptors

Researchers at the University of Pennsylvania School of Medicine found that lidocaine activates the bitter taste receptor T2R14, which triggers apoptosis in cancer cells. This mechanism could lead to improved treatment options for patients with head and neck cancers, particularly those associated with human papillomavirus.

SourceUniversity of Pennsylvania School of Medicine·JournalCell Reports·DateNov 22, 2023

Pangenomic study of water caltrop — structural variations play a role in speciation and asymmetric subgenome evolution

A pangenomic study of water caltrop has identified structural variations that contribute to its speciation and asymmetric subgenome evolution. The study found that gene clusters related to organ development, organic substance metabolism, and response to stimulus were differentially expressed between the two diploid species.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·TypeExperimental study·DateNov 22, 2023

Genetic predisposition to early breast cancer in Kazakh women

Researchers identified 38 unique pathogenic variants in 57 patients, including novel variants specific to the Kazakh population. These variants were associated with an increased risk of triple-negative breast cancer and family history of breast cancer.

SourceImpact Journals LLC·JournalOncotarget·TypeObservational study·DateNov 22, 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.

Cancer blood tests jumpstart diagnoses and targeted therapy

Researchers developed a blood test that can detect cancer DNA up to 18 months before clinical diagnosis, enabling targeted therapy. The test has the potential to provide a fast, less invasive method for cancer detection.

SourceUniversity of California - Davis Health·Journalnpj Precision Oncology·DateNov 22, 2023

The Chinese team completed the genome assembly of Cornus wilsoniana

The Chinese team has completed the genome assembly of Cornus wilsoniana, revealing key findings on its evolution, oil biosynthesis, and floral bud development. The study provided valuable resources for germplasm innovation and genetic improvement of C. wilsoniana.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·TypeExperimental study·DateNov 22, 2023

Researchers develop new method for prenatal genetic testing

Researchers developed a non-invasive genetic test that can survey the entire fetal exome without amniocentesis. The test was able to capture inherited and new variants associated with prenatal diagnoses, demonstrating high sensitivity for discovering single-base DNA changes.

SourceMassachusetts General Hospital·JournalNew England Journal of Medicine·DateNov 22, 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.

Autonomous excavator constructs a 6-meter-high dry-stone wall

Researchers at ETH Zurich developed an autonomous excavator called HEAP to construct a 6-meter-high and 65-meter-long dry-stone wall. The excavator uses sensors, machine vision, and algorithms to place stones in the desired location, achieving a high level of precision and speed.

SourceETH Zurich·JournalScience Robotics·TypeExperimental study·DateNov 22, 2023

Halting a malformation of the heart

A team of scientists has identified the molecular switches involved in halting heart malformations, which could lead to new treatments for tetralogy of Fallot. By targeting the BBLN protein, they aim to prevent defects in four critical areas of the heart.

SourceETH Zurich·JournalNature Cardiovascular Research·TypeExperimental study·DateNov 22, 2023

Animals facing eviction from homes as hotter temperatures spark global displacement

A major global study found that animals are being pushed to their physical limits as they struggle to adapt to rising temperatures sparked by human-caused climate change. This is leading to widespread displacement, particularly among marine life that will be forced to abandon their habitats in search of cooler pastures.

SourceAustralian National University·JournalNature Ecology & Evolution·DateNov 22, 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.

From the first bite, our sense of taste helps pace our eating

Researchers at University of California - San Francisco find that sense of taste signals brain to slow down eating. Using advanced techniques, they recorded brain activity in awake mice and found PRLH neurons controlled by mouth signals when eating normally, not gut signals as previously thought.

SourceUniversity of California - San Francisco·JournalNature·DateNov 22, 2023

A computer model of the ear developed at IOCB Prague may help to improve cochlear implants

Researchers from IOCB Prague and MED-EL have created a complete computer model of the ear, allowing for detailed simulation of sound conversion and hearing processes. This model may help improve cochlear implants and better compensate hearing impairments.

SourceInstitute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague)·JournalHearing Research·TypeComputational simulation/modeling·DateNov 22, 2023

New study on experience of adopted people as they become parents

A new study on adopted people becoming parents finds they face issues related to their adoption and past trauma, including mental health problems, emotional difficulties, and fear of repeating negative cycles. The research highlights the need for support for adoptive families in childhood and as adults.

SourceUniversity of East Anglia·JournalChildren and Youth Services Review·TypeSurvey·DateNov 22, 2023

New drug delivery system could reduce daily diabetes shots to just three a year

A new hydrogel drug delivery system has been developed that can transform daily injections of diabetes and weight control drugs into once every four months. The system has shown promising potential in laboratory tests and could improve management of Type 2 diabetes, patient drug compliance, and long-term health outcomes.

SourceStanford University School of Engineering·JournalCell Reports Medicine·DateNov 22, 2023

The highly efficient removal method of phosphate from wastewater of aquaculture: Adsorption-membrane separation-coordinated strategy

Researchers developed a Zr-modified-bentonite filled polyvinyl chloride membrane for efficient phosphate removal from low-concentration phosphate solutions. The membrane achieved high removal rates of up to 98.5% in SCAW, making it a promising solution for combating eutrophication and alleviating phosphorus shortages.

SourceHigher Education Press·JournalFrontiers of Environmental Science & Engineering·TypeExperimental study·DateNov 21, 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.

Highly active and durable PdFe/Cu nanocatalysts prepared by liquid phase synthesis for ethanol electrooxidation reaction

Researchers designed PdFe/Cu nanocatalysts using a stepwise co-reduction method, exhibiting enhanced oxidation properties and durability. The addition of Cu to the precursor transformed spherical PtFe nanoparticles into chains with improved methanol oxidation capabilities.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalAdvanced Sensor and Energy Materials·DateNov 21, 2023

Trilobites rise from the ashes to reveal ancient map

Researchers uncover 10 new trilobite species in Thai sanctuary, shedding light on Cambrian-Ordovician period and connecting Thailand to parts of Australia. The discovery helps date the age of fossils and better understand global geography.

SourceUniversity of California - Riverside·JournalPapers in Palaeontology·DateNov 21, 2023

Novel molecular mechanisms in the early development of diabetes mellitus

Researchers at the University of Tsukuba discovered a novel pathway where pancreatic beta-cells undergo dedifferentiation and differentiate into acinar-like cells, contributing to insulin secretory capacity reduction. The study also identified Anxa10 as a key gene upregulated in pancreatic beta-cells during diabetes onset.

SourceUniversity of Tsukuba·JournalDiabetes·DateNov 21, 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.

An effective approach for preparing supramolecular polymers at high concentration

Researchers from Chiba University have developed a novel supramolecular coformer approach, enabling the formation of supramolecular polymers at large scales with improved solubility and recyclability. The approach facilitates the production of sustainable plastic materials with high recyclability.

SourceChiba University·JournalAngewandte Chemie International Edition·TypeExperimental study·DateNov 21, 2023

Skin bacteria can save lives

Researchers at UiT The Arctic University of Norway have discovered a new bacteriocin, Romsacin, produced by Staphylococcus haemolyticus, which inhibits the growth of antibiotic-resistant bacteria. This breakthrough could potentially lead to a new medicine for infections with no effective treatment.

SourceUiT The Arctic University of Norway·JournalMicrobiology Spectrum·TypeExperimental study·DateNov 21, 2023

Medical AI tool from UF, NVIDIA gets human thumbs-up in first study

A new AI program created by researchers at UF and NVIDIA can generate medical records so well that human physicians couldn't tell the difference. The GatorTronGPT model uses a large language model to mimic natural human language, overcoming hurdles such as protecting patients' privacy and being highly technical.

SourceUniversity of Florida·Journalnpj Digital Medicine·DateNov 21, 2023

Policy driven changes to US forest carbon sequestration

Recent US legislation aims to increase fire management and tree planting to reduce large destructive fires and promote carbon sequestration. Fuel reduction activities are projected to remove 194-288 million metric tons of carbon from western forests over the next decade.

SourcePNAS Nexus·JournalPNAS Nexus·DateNov 21, 2023
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.

Toward sustainable energy applications with breakthrough in proton conductors

Researchers at Tokyo Institute of Technology have discovered a new strategy to enhance the conductivity and stability of perovskite-type proton conductors, overcoming the 'Norby gap' issue. Donor doping into materials with disordered intrinsic oxygen vacancies enables high proton conduction at intermediate and low temperatures.

SourceTokyo Institute of Technology·JournalNature Communications·TypeExperimental study·DateNov 21, 2023

Dwarf galaxies use 10-million-year quiet period to churn out stars

University of Michigan researchers discovered that less evolved dwarf galaxies have bigger regions of star factories with higher rates of star formation. A 10-million-year delay in blowing out gas allows these galaxies to hang on to their gas and dust, enabling more stars to coalesce and evolve.

SourceUniversity of Michigan·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateNov 21, 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.

Nuclear physics traineeship program offers launchpad for research careers

The University of Texas at Arlington's Nuclear Research Experiences for Minority Students (NREMST) program provides paid traineeships in particle and nuclear physics to undergraduate students. The program, now receiving a $341,571 grant, has already hosted eight trainees who contributed to heavy ion beam production, detector developmen...

SourceUniversity of Texas at Arlington·DateNov 21, 2023

Unearthing how a carnivorous fungus traps and digests worms

A new study examines how a carnivorous fungus senses, traps, and consumes a worm. The research reveals key biological processes involved in the predation process, including increased DNA replication and secretion of proteins that aid in trap development.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 21, 2023

Dynamic z-scanning for ultrafast auto-focusing in laser processing

A team of researchers has developed a fast method to track surface location and adjust optical focus simultaneously without mechanical movement. The dynamic z-scanning technique reduces defocused laser pulses and increases processing speed when processing non-flat or changing samples.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateNov 21, 2023

‘Manosphere’ community is misusing scientific research to support its beliefs

A new study by the University of Kent's School of Anthropology and Conservation has found that members of the 'manosphere' community are misusing academic research to justify anti-feminist and sexist beliefs. The research highlights a double standard, where women's behavior is scrutinized while men's behavior is overlooked.

SourceUniversity of Kent·JournalEvolutionary Human Sciences·TypeContent analysis·DateNov 21, 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.

BU study finds long-term acute care hospital closures associated with changes in hospital care practices

A new study from Boston University Chobanian & Avedisian School of Medicine found that hospital discharge patterns changed after long-term acute care hospital closures, with patients receiving prolonged mechanical ventilation discharged to skilled nursing facilities more often. Overall spending on mechanically ventilated patients decre...

SourceBoston University School of Medicine·JournalJAMA Network Open·DateNov 21, 2023

New fossil assemblage highlights complexity of classifying silesaurid phylogeny

A new fossil assemblage in Brazil has added to the complexity of classifying silesaurid phylogeny, a family of dinosauriforms that lived during the Triassic period. The study suggests that these animals were part of the evolutionary history of dinosaurs, but their classification remains uncertain due to ambiguous anatomy.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Vertebrate Paleontology·DateNov 21, 2023

Hydrogen detected in lunar samples, points to resource availability for space exploration

Scientists have detected solar-wind hydrogen in lunar samples, indicating that water on the Moon's surface may provide a vital resource for future lunar bases and longer-range space exploration. Hydrogen has the potential to be used directly on the lunar surface when there are more regular or permanent installations.

SourceNaval Research Laboratory·JournalCommunications Earth & Environment·TypeExperimental study·DateNov 21, 2023
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.

Discovery of structural regularity hidden in silica glass

Researchers discovered a mixture of ring shapes unique to glass and those resembling crystals, with specific areas showing degree of order or regularity despite apparent disorder. The findings contribute to understanding phase-transitions and provide mathematical descriptions for controlling material structures and properties.

SourceTohoku University·JournalCommunications Materials·DateNov 21, 2023

Density matters for better battery material performance, researchers find

A team of researchers from Tsinghua University Press developed two organic frameworks with the same constituents but arranged differently to investigate electrode material composition. The framework with appropriate density resulted in better performance, outperforming lithium-ion batteries.

SourceTsinghua University Press·JournalEnergy Materials and Devices·DateNov 21, 2023

Novel machine learning model for molecular simulation under external field

A novel machine learning model, FIREANN, accurately simulates system-field interactions for complex chemical, biological, and material systems. The model correlates response properties like dipole moment and polarizability with potential energy changes under external fields.

SourceUniversity of Science and Technology of China·JournalNature Communications·DateNov 21, 2023

Most-cited scientists: Still mostly men, but the gender gap is closing

The gender gap among top-cited scientists is narrowing, with women now representing 32% of top-cited authors in certain fields, according to a study analyzing 5.8 million international scientific authors. However, significant disparities remain, and efforts to address promotion pathways for gifted female researchers are still needed.

SourcePLOS·JournalPLOS Biology·TypeMeta-analysis·DateNov 21, 2023
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.

Syngas photocatalysis made easy

Researchers have developed a novel photocatalyst system that enables the production of syngas from methane steam reforming under atmospheric pressure. The system harnesses sunlight to split methane and water into hydrogen and carbon monoxide, forming syngas.

SourcePNAS Nexus·JournalPNAS Nexus·DateNov 21, 2023