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Science News Archive November 2023 - Page 11


Page 11 of 40

Researchers identify molybdate transporter genes for improving soybean yield

Scientists have identified two genes, GmMOT1.1 and GmMOT1.2, that control natural variation in molybdate uptake and transport in soybeans. These genes are involved in molybdenum uptake in the roots and root-to-shoot transport of molybdenum, leading to improved molybdenum utilization and soybean yield.

SourceChinese Academy of Sciences Headquarters·JournalCurrent Biology·DateNov 23, 2023

Marine biota births new atmospheric particles in the South Pacific Ocean

Researchers from Tampere University discovered that marine organisms can form new atmospheric particles in the South Pacific Ocean, which could help explain climate change predictions. The study found that these particles were formed at night and were accompanied by signs of nitrogenous compounds.

SourceTampere University·JournalProceedings of the National Academy of Sciences·DateNov 23, 2023

Limits for quantum computers: Perfect clocks are impossible

The research team created a mathematical model showing that no clock can have both infinite energy and perfect time resolution, setting limits to quantum computer capabilities. This realization impacts the speed and reliability of quantum computers, as current accuracy is limited by other factors.

SourceVienna University of Technology·JournalPhysical Review Letters·TypeMeta-analysis·DateNov 23, 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.

LHCb: Correlations show nuances of the particle birth process

Researchers analyzed proton-proton collisions to understand the hadronization process, a phenomenon critical to our understanding of physical reality. The study found that quark-gluon plasma can be produced in single proton collisions and that correlations between particles are influenced by angles with respect to the beam axis.

SourceThe Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences·JournalJournal of High Energy Physics·DateNov 23, 2023

Tapered fiber-a potential candidate for delivering high-energy ultrafast lasers with high beam quality

Researchers have successfully developed a tapered fiber-based system that can deliver high-energy ultrafast lasers with near-diffraction-limited beam quality. The system achieved pulse energies of up to 126 μJ and peak powers of 207 MW, representing the highest reported values from a monolithic fiber laser.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateNov 23, 2023

Dolomite crystals require cycles of saturation conditions to grow

Researchers have discovered that dolomite crystal growth requires cycling of saturation conditions, resolving the 'dolomite problem' that has puzzled scientists for nearly two centuries. This process can speed up dolomite growth by up to 10 million times, which may be crucial for producing large amounts of dolomite on Earth's surface.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateNov 23, 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.

Lowering a form of brain cholesterol reduces Alzheimer’s-like damage in mice

Researchers have found that lowering a form of brain cholesterol known as cholesteryl esters helps prevent brain damage and behavioral changes in mice with Alzheimer's-like tau deposits. The study suggests that reducing cholesteryl ester levels could be a promising candidate to test in neurodegenerative diseases.

SourceWashU Medicine·JournalNeuron·TypeExperimental study·DateNov 22, 2023

Mitochondria-targeting antibiotics extend lifespan in C. elegans

Researchers found that treating C. elegans with mitochondrial inhibitors extended their lifespan, improved pharyngeal muscle contraction, reduced lipofuscin content, and decreased energy consumption. The study suggests that these drugs could abrogate aging and extend human lifespan, offering a potential therapeutic approach.

SourceImpact Journals LLC·JournalAging-US·TypeExperimental study·DateNov 22, 2023

Anti-rheumatic drugs could prevent thyroid disease

Researchers found that immunomodulatory drugs used to treat rheumatoid arthritis can reduce the risk of autoimmune thyroid diseases. Patients treated with these drugs had a 46% lower risk of developing an autoimmune thyroid disease compared to those without rheumatoid arthritis.

SourceKarolinska Institutet·JournalJournal of Internal Medicine·TypeObservational study·DateNov 22, 2023

7 in 8 homicide victims in South Africa are male

In a study of almost 20,000 post-mortem investigations, researchers found that 7 in 8 homicide victims in South Africa were male. Homicide rates peak on weekends and holidays, highlighting the need for targeted interventions to address this epidemic.

SourcePLOS·JournalPLOS Global Public Health·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.

A study shows the ability of some molecules to modify the surface of nanoparticles

A study led by Universitat Rovira i Virgili reveals how ligands create unique local environments within nanoparticle surfaces, affecting stability, charge, and functionality. This phenomenon has significant implications for sensing applications and chemical reactions.

SourceUniversitat Rovira i Virgili·JournalAccounts of Chemical Research·TypeComputational simulation/modeling·DateNov 22, 2023

Chinese Medical Journal article reveals key insights on the trends of asthma mortality

A recent study analyzed asthma mortality rates in China and the US from 1990 to 2019, revealing substantial differences in mortality rates and risk factors. The study found that smoking was a leading risk factor for asthma mortality in China, while high body mass index (BMI) was a larger public health challenge in the US.

SourceCactus Communications·JournalChinese Medical Journal·TypeData/statistical analysis·DateNov 22, 2023

A Special Collection collaboration between SLAS and SBI2

This special collection in SLAS Discovery highlights the significant impact of high-content imaging in basic and translational research. Researchers have made advancements in cell painting and phenotypic profiling, offering new therapeutic approaches for diseases such as Gaucher's.

SourceSLAS (Society for Laboratory Automation and Screening)·JournalSLAS DISCOVERY·DateNov 22, 2023

Does spaceflight increase men’s risk of erectile dysfunction?

Research published in The FASEB Journal suggests that spaceflight can negatively affect vascular tissues, increasing the risk of erectile dysfunction. Treatment with antioxidants may help counter some effects. Functional improvements after targeted interventions suggest that erectile dysfunction may be treatable.

SourceWiley·JournalThe FASEB Journal·DateNov 22, 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.

Segregated patterns of hospital care delivery and health outcomes

A study of Medicare claims data found that higher segregation of hospital care is associated with poorer health outcomes for both Black and white patients. Policymakers can address this issue through payment reform efforts and expansion of health insurance coverage to reduce racial disparities in healthcare.

SourceJAMA Network·JournalJAMA Health Forum·DateNov 22, 2023

Iron infusion before bowel surgery reduces need for blood transfusion

A meta-analysis of five randomised controlled trials shows that giving iron intravenously before colorectal surgery improves outcomes for patients, reducing the need for blood transfusion. The study found a significant reduction in blood transfusions by 33% in patients with colorectal cancer.

SourceUniversity College London·JournalBJS·TypeMeta-analysis·DateNov 22, 2023

Can sound stimulation lessen long-term concussion symptoms?

Researchers found that acoustic stimulation improved postconcussive symptoms in individuals with mild traumatic brain injury, although the benefits were largely sustained. The study's results suggest that listening to acoustic stimulation based on brain electrical activity may not improve symptoms more than randomly generated sound sti...

SourceWiley·JournalAnnals of Clinical and Translational Neurology·DateNov 22, 2023

Optical trapping of optical nanoparticles: fundamentals and applications

This article reviews the fundamentals and applications of optically trapped optical nanoparticles, highlighting their use in optical imaging, sensing, and single-particle scanning. Key findings include advances in plasmonic, lanthanide-doped, polymeric, semiconductor, and nanodiamond nanoparticles.

SourceCompuscript Ltd·JournalOpto-Electronic Advances·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.

How certain media talk about AI may have everything to do with political ideology

Virginia Tech researchers analyzed partisan media sentiment toward AI and found that liberal-leaning media tend to have a more negative tone than conservative media. The study suggests that this opposition can be attributed to concerns over AI amplifying existing social biases, such as racial and income disparities.

SourceVirginia Tech·JournalSocial Psychological and Personality Science·DateNov 22, 2023

Revolutionary breakthrough in the manufacture of photovoltaic cells at the University of Ottawa

Researchers have developed a new type of photovoltaic cell with significant advantages over conventional solar technologies, reducing shadowing by 95% and potentially lowering energy production costs. The breakthrough paves the way for miniaturization in electronic devices and has potential applications in solar cells, space exploratio...

SourceUniversity of Ottawa·JournalCell Reports Physical Science·TypeExperimental study·DateNov 22, 2023

Drones enabled the use of defibrillators before ambulance arrival

A study by Karolinska Institutet found that drones equipped with automated external defibrillators (AED) can arrive at the scene before an ambulance in 67% of cases. This lead time enables people on site to use the AED, increasing the chances of survival for patients with cardiac arrest.

SourceKarolinska Institutet·JournalThe Lancet Digital Health·DateNov 22, 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.

AI for perovskite solar cells: Key to better manufacturing

Researchers develop AI methods to analyze photoluminescence data and identify factors influencing coating quality. The findings provide a blueprint for improving production processes and boosting the efficiency of highly efficient solar cells.

SourceKarlsruher Institut für Technologie (KIT)·JournalAdvanced Materials·DateNov 22, 2023

The first report on telomere-to-telomere gap-free reference genome of wild blueberry (Vaccinium duclouxii)

A team has successfully assembled the telomere-to-telomere gap-free reference genome of Vaccinium duclouxii, revealing insights into sugar and acid accumulation, anthocyanin biosynthesis and genetic improvement. The study provides a foundation for understanding the evolution of the Vaccinium genus.

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

Childhood in medieval Bavaria: What teeth reveal about nutrition and migration

Researchers analyzed medieval Bavarian teeth to understand childhood nutrition and migration. The study found that people of non-Bavarian origin migrated to the region, and women from south-eastern Europe had unique dietary patterns and artificially modified skulls. Long breastfeeding periods were also common among these women.

SourceStaatliche Naturwissenschaftliche Sammlungen Bayerns·JournalArchaeological and Anthropological Sciences·DateNov 22, 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.

Pediatric oncology: Scientists discover new Achilles heel of leukemia cells

Researchers at Goethe University Frankfurt have identified a specific gene locus, MYNRL15, that is critical to the survival and replication of leukemia cells. Inhibiting this gene has been shown to deactivate genes necessary for AML cell survival, offering a new possibility for fighting leukemia.

SourceGoethe University Frankfurt·JournaliScience·TypeExperimental study·DateNov 22, 2023

USTC reveals pro-phagocytic function and structural basis of GPR84 signaling

A research team led by Prof. Gong Weimin has revealed the pro-phagocytic function of GPR84 signaling in immune cells, particularly macrophages, against cancer cells. The study provides structural insights into GPR84 and its role in mediating phagocytosis, offering a potential therapeutic target for inflammatory diseases.

SourceUniversity of Science and Technology of China·JournalNature Communications·DateNov 22, 2023

Does stem cell transplantation benefit patients with knee osteoarthritis?

A systematic review and meta-analysis of 16 studies involving 875 patients with knee osteoarthritis found significant reductions in patient-reported pain from the third month onwards. Stem cell treatment was most effective when using patient's own fat-derived stem cells, leading to better pain alleviation and recovery of joint function.

SourceWiley·JournalJournal of Orthopaedic Research®·DateNov 22, 2023

Chinese-Russian cooperation has strengthened significantly in the past 30 years, analysis shows

The study reveals that bilateral cooperation intensity has gradually strengthened between China and Russia over the past three decades. Energy trade assumed new importance after 2008, while military cooperation showed a more varied pattern of evolution. Political cooperation structures the Sino-Russian relationship, driving its progress.

SourceUniversity of Exeter·JournalEurope Asia Studies·DateNov 22, 2023

UTA, DOE lab partner to prove new atomic cooling techniques

Researchers will create slow and cold atomic beams using partially cooled lithium and accommodated tritium, enabling precision neutrino mass measurements. This innovative approach aims to fill the unknown absolute value of the neutrino's mass, a key hole in our understanding of particle physics.

SourceUniversity of Texas at Arlington·DateNov 22, 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.

Multi-synaptic photonic SNN based on a DFB-SA chip

A new publication introduces a multi-synaptic photonic SNN based on a DFB-SA chip, showcasing its ability to simulate neuron-like dynamics and improve network performance. The algorithm's learning efficiency and performance were excellent, with improved robustness through time coding.

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

The joint team of Sui Xiaolei from China Agricultural University and Alisdair R. Fernie from Max-Planck-Institute of Molecular Plant Physiology, revealed the role of malate decarboxylate CsNADP-ME2 in mediating the balance of carbon and amino acid metabol

Scientists discovered that malate decarboxylase CsNADP-ME2 mediates the balance of carbon and amino acid metabolism in cucumber fruit. The enzyme plays a crucial role in promoting the production of soluble sugars and starch, while down-regulating its expression leads to increased malate accumulation.

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

How do temperature extremes influence the distribution of species?

A new study from McGill University and international collaborators investigates the role of temperature in determining animal species' current and potential habitats. The research reveals that temperature is less directly limiting for land animals like reptiles, amphibians, and insects than previously thought.

SourceMcGill University·JournalNature Ecology & Evolution·DateNov 22, 2023

Colorectal cancer in sub-Saharan Africa: Lack of basic care is costing lives

A new study found that most people with colorectal cancer in sub-Saharan Africa receive inadequate treatment, leading to significantly improved life expectancy through simple measures. The mortality rate is up to 3.5 times higher in regions studied compared to countries with medium HDI scores.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalJournal of the National Comprehensive Cancer Network·TypeObservational study·DateNov 22, 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.

New drug developed for melanoma and lung cancer shows potential in treatment of cutaneous squamous cell carcinoma – the most common metastatic skin cancer

A new study at the University of Turku discovered that plixorafenib inhibits multiple signaling pathways in cutaneous squamous cell carcinoma, showing promise for treatment. The drug was originally developed for melanoma and lung cancer, but its effectiveness against cSCC is significant.

SourceUniversity of Turku·JournalOncogene·DateNov 22, 2023

More is not always better

A new framework demonstrates that proportionately more multi-homing consumers lead to significant efficiency gains when integrating two business platforms. However, this trend also creates higher barriers to entry for new platform firms and may require policy guidance to mitigate potential harms of platform mergers.

SourceKyoto University·JournalJournal of Industrial Economics·TypeComputational simulation/modeling·DateNov 22, 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.

This sea worm’s butt swims away, and now scientists know how

Researchers have unlocked the developmental mechanism of a unique reproductive process in Japanese green syllid worms. The stolon, a detached body part with gametes, swims autonomously and spawns after developing eyes, antennae, and swimming bristles.

SourceSchool of Science, The University of Tokyo·JournalScientific Reports·TypeExperimental study·DateNov 22, 2023

Does patient-surgeon gender concordance lead to lower patient mortality? Mostly no, UCLA-led research suggests

A study of over 2.9 million patients found that gender concordance was associated with lower mortality for female patients, but higher mortality for male patients. The quality of surgical care provided by female surgeons is equivalent to or slightly better than that provided by male surgeons.

SourceUniversity of California - Los Angeles Health Sciences·JournalThe BMJ·TypeObservational study·DateNov 22, 2023

Your eyes talk to your ears. Scientists know what they’re saying.

Researchers at Duke University have discovered that subtle ear sounds can be decoded to pinpoint where someone's eyes are looking. By analyzing these sounds, the team was able to estimate the movement of the eyes and predict what the waveform of the ear sound would look like.

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 22, 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.

Breathing new life into old medications: A revolutionary strategy targeting cancer stem cells

Researchers from ICMR-National Institute of Nutrition advocate for repurposing non-cancerous drugs to target Cancer Stem Cells (CSCs), which are resilient to conventional treatments. The study identified a range of non-cancer drugs with potential to target CSCs directly, and combining these with micronutrients amplifies their anticance...

SourceChongqing Medical University·JournalGenes & Diseases·DateNov 22, 2023

Has the COVID-19 pandemic compromised bone health?

A study published in the American Journal of Human Biology found that COVID-19 has negatively impacted bone tissue, particularly among young adults. The research indicates a significant decrease in bone mineral density during the pandemic compared to pre-pandemic measurements.

SourceWiley·JournalAmerican Journal of Human Biology·DateNov 22, 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.

Professor Tao Jun's team at Yangzhou University analyses the molecular mechanism of PoWRKY71 in response to drought stress of Paeonia ostii

PoWRKY71 transcription factor regulates drought tolerance in Paeonia ostii by directly activating the light-harvesting chlorophyll a/b-binding protein gene. Overexpression of PoWRKY71 enhances drought tolerance, while silencing reduces it.

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

Predicting the fate of shallow coastal ecosystems for the year 2100

A new study estimates that climate change and coastal land usage will result in significant shrinkage of coral habitats, tidal marshes, and mangroves. In contrast, macroalgal beds are expected to remain stable, while seagrass meadows may expand due to increased sunlight penetration.

SourcePLOS·JournalPLOS Climate·TypeComputational simulation/modeling·DateNov 22, 2023

Camouflaging stem cell-derived transplants avoids immune rejection

Researchers have developed a method to camouflage stem cell-derived transplants, avoiding immune rejection and tumor formation. Genetically engineered liver cells can persist in the body despite lack of immune matching, offering a potential solution to organ donor shortage.

SourceInternational Society for Stem Cell Research·JournalStem Cell Reports·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.

LIBRA: an adaptative integrative tool for paired single-cell multi-omics data

LIBRA surpasses existing tools in increasing cell-type resolution and predictive power across paired data sets, especially with adaptive parameter optimization (aLIBRA). The tool's performance is significantly boosted by aLIBRA, outperforming other methods in chromatin accessibility prediction.

SourceHigher Education Press·JournalQuantitative Biology·TypeExperimental study·DateNov 22, 2023