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Science News Archive November 2023 - Page 14


Page 14 of 40

Artificial intelligence: Stemming the tide of fake facts

Artificial intelligence tools can generate convincing texts, images, voices, and videos, making it difficult to distinguish misinformation from genuine content. To combat this, experts suggest being more alert when consuming online content and relying on trusted sources.

SourceLudwig-Maximilians-Universität München·JournalNature Human Behaviour·DateNov 21, 2023

Bacteria store memories and pass them on for generations

Researchers found that E. coli bacteria use iron levels to store information about behaviors like swarming and forming biofilms. These iron-based memories persist for at least four generations before disappearing, helping bacteria make informed decisions about their environment.

SourceUniversity of Texas at Austin·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 21, 2023
Apple iPhone 17 Pro

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

Testing the limits of AlphaFold2’s accuracy in predicting protein structure

Researchers tested AlphaFold2's ability to predict protein structure changes from single point mutations. They found that AlphaFold can accurately predict deformation at the chromophore-binding site, leading to accurate predictions of fluorescence in fluorescent proteins.

SourceInstitute for Basic Science·JournalPhysical Review Letters·TypeMeta-analysis·DateNov 21, 2023

CRF launches Scientific Excellence Top 10 (SET-10)

Thirty-two institutions earned the SET-10 distinction, with top ten recognized globally for their dedication to advancing scientific knowledge in interventional cardiovascular medicine. The rankings span six categories and acknowledge excellence within and outside the United States.

SourceCardiovascular Research Foundation·DateNov 21, 2023

New method for determining the water content of water-soluble compounds

Researchers at University of Eastern Finland developed a new method for accurate determination of water content in water-soluble compounds, utilizing solution-state nuclear magnetic resonance spectroscopy. The method is simple, accurate and quick, with results comparable to traditional methods like TGA and X-ray crystallography.

SourceUniversity of Eastern Finland·JournalAnalytical Chemistry·DateNov 21, 2023

Getting to the root of visceral gut pain

Researchers at Michigan State University found that glial cells in the gut can sensitize nearby neurons, causing them to send pain signals more easily during inflammation. This discovery could help develop new therapies to alleviate visceral pain by counteracting the glia's sensitizing efforts.

SourceMichigan State University·JournalScience Signaling·DateNov 21, 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.

Hearing loss is associated with subtle changes in the brain

Researchers linked hearing loss to microstructural differences in auditory areas of the temporal lobe and frontal cortex. The study suggests that compensatory brain changes may lead to increased dementia risk, and interventions like subtitles or speech-to-text apps could protect against this.

SourceUniversity of California - San Diego·JournalJournal of Alzheimer’s Disease·TypeObservational study·DateNov 21, 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.

Chinese scientists produced a four-decade (1980–2020) inventory of full-scale N2O emissions in China

China's total N2O emissions increased from 889.6 Gg yr-1 in 1980 to 2295.0 Gg yr-1 in 2020, with agriculture making the largest contribution until 2015. However, industrial and energetic sources exceeded agriculture and became the fastest-accelerating N2O sources due to increasing demand for adipic acid and fossil fuels.

SourceScience China Press·JournalNational Science Review·DateNov 21, 2023

CRONT: Empowering optical tweezers with "biometric eyes"

Researchers developed CRISPR-powered optothermal nanotweezers (CRONT) that can trap and enrich bio-nanoparticles, including gold nanoparticles and DNA molecules. The technique achieves single molecule level SNP detection with ultra-low detection volume, making it suitable for point-of-care diagnosis and biophotonics.

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

Researchers help unravel brain processes involved in vision

A team of researchers, including York University, used a mouse model to test how the brain learns new sensory input patterns. They found that the brain's response to image patterns that violate expectations evolves differently over time, suggesting a distinct role in sensory learning.

SourceYork University·JournalJNeurosci·DateNov 21, 2023

Parental age effect on the longevity and healthspan of flies and worms

A new study found that the progeny of successive generations of old parents had significantly shorter lifespans than those from young parents in both Drosophila melanogaster and Caenorhabditis elegans. The researchers also discovered that switching to only one generation of younger parents improved the healthspan of the offspring.

SourceImpact Journals LLC·JournalAging-US·TypeExperimental study·DateNov 21, 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.

Promising target for CAR T cells helps cancer trick the immune system

Scientists at St. Jude Children's Research Hospital validated GRP78 as a promising but complex target for CAR T-cell immunotherapy. However, they discovered that some tumors trick the immune cells into expressing GRP78, turning off their own cancer-killing ability.

SourceSt. Jude Children's Research Hospital·JournalCell Reports Medicine·TypeExperimental study·DateNov 21, 2023

Study highlights need to keep an eye on the ozone hole

A recent study found that the Antarctic ozone hole is not only larger in area but also deeper throughout most of spring. The researchers believe changes in air arriving at the polar vortex above Antarctica are contributing to the growth of the ozone hole, which may be caused by factors beyond just CFCs.

SourceUniversity of Otago·JournalNature Communications·DateNov 21, 2023

Solid-state atomic hydrogen, a new hydrogen therapy strategy

Researchers developed a new hydrogen therapy strategy using solid-state atomic hydrogen, which selectively eliminates reactive oxygen and nitrogen species. This approach promotes wound healing in diabetic wounds by remodeling the microenvironment and alleviating inflammation.

SourceScience China Press·JournalNational Science Review·DateNov 21, 2023

Tiny beads preserve enzymes for biocatalysis

Researchers used tiny beads to immobilize enzymes from edible fungus Agrocybe aegerita, protecting them from plasma treatment and increasing stability up to 44 times. The study paves the way for new biocatalytic applications combining enzymes with technical plasmas.

SourceRuhr-University Bochum·JournalJournal of The Royal Society Interface·TypeExperimental study·DateNov 21, 2023

Effect of aerosol particles on clouds and the climate captured better

Researchers developed a simple linear formula to capture aerosol particles' hygroscopicity, which affects cloud formation and climate. The study used global measurements and model calculations, revealing that organic and inorganic materials determine aerosol hygroscopicity.

SourceLeibniz Institute for Tropospheric Research (TROPOS)·JournalNature Communications·TypeObservational study·DateNov 21, 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.

Sophisticated swarming: Bacteria support each other across generations

Researchers at the University of Basel have discovered that bacteria support each other across generations, sharing nutrients and forming intricate three-dimensional structures. This cooperative behavior enables bacterial communities to be more resilient and adaptable, highlighting the complexity and dynamics within microbial communities.

SourceUniversity of Basel·JournalNature Microbiology·DateNov 21, 2023

Obesity may not be the only factor to link ultra-processed foods to higher risk of mouth, throat and oesophagus cancers

A new study found that consuming ultra-processed foods is associated with a higher risk of developing upper aerodigestive tract cancers. The study analysed data from 450,111 adults and found that eating more UPFs was linked to a 23% higher risk of head and neck cancer and a 24% higher risk of oesophageal adenocarcinoma.

SourceUniversity of Bristol·JournalEuropean Journal of Nutrition·TypeObservational study·DateNov 21, 2023

Food insecurity, memory, and dementia among adults age 50 and older

A recent study of 7,000 older US residents found that food insecurity was associated with a higher risk of dementia, as well as poorer memory function and accelerated memory decline. The researchers suggest that addressing food insecurity may have benefits for brain health.

SourceJAMA Network·JournalJAMA Network Open·DateNov 21, 2023

Apotransferrin shows promise as an early treatment for stroke

Researchers discovered that apotransferrin can mitigate the damaging effects of intracerebral haemorrhage by guarding against ferropoptosis, a cell death process. This finding highlights the therapeutic potential of apotransferrin as a pre-hospital treatment for stroke patients.

SourceGermans Trias i Pujol Research Institute·JournalAntioxidants·TypeExperimental study·DateNov 21, 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.

Microautophagy is essential for preventing aging

A study published in EMBO Reports reveals that microautophagy is crucial for repairing damaged lysosomes, which helps prevent cellular aging. The researchers identified key regulators of this process, including STK38 and GABARAPs, and found that their depletion increases the rate of senescent cells and shortens lifespan in C. elegans.

SourceOsaka University·JournalEMBO Reports·TypeExperimental study·DateNov 21, 2023

Rice receives $2.5M grant to support inclusive STEM education

Rice University has been awarded a $2.5 million grant from the Howard Hughes Medical Institute to develop accessible and inclusive math courses for all students, regardless of background or ability. The grant aims to promote equity in STEM education and support underrepresented groups.

SourceRice University·DateNov 21, 2023

How we play together

Scientists studied how players' brains react when working together in a computer game called Pacman. They found that the brain's response is linked to the player's role during cooperation.

SourceUniversity of Konstanz·JournalPsychophysiology·DateNov 21, 2023

Nostalgia and memories after ten years of social media

A study from the University of Gothenburg and University West found that social media users engage in 'nostalgizing' to relive memories and emotions. The platforms' advanced features, such as personalized photo albums and reminders, facilitate nostalgic experiences, leading to a decrease in new content posting.

SourceUniversity of Gothenburg·JournalSocial Media + Society·TypeData/statistical analysis·DateNov 20, 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.

Study reveals gaps in fracture risk communication and patients’ preferences for visual representation

A new study has found that most patients with osteoporosis want to receive information on their fracture risk, but only half of them actually get it. Patients prefer visual representations, such as graphs with a colored traffic-light system, to communicate fracture risk and are more likely to take medication if presented in this way.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·TypeExperimental study·DateNov 20, 2023

University of Helsinki researchers solve cosmic conundrum

Researchers Till Sawala and Peter Johansson propose that frequent interactions and mergers within the Supergalactic Plane lead to elliptical galaxies, while isolation outside the plane preserves spiral structure. The team's simulation is consistent with observations, supporting the standard model of dark matter.

SourceUniversity of Helsinki·JournalNature Astronomy·TypeComputational simulation/modeling·DateNov 20, 2023

Reducing cyberattacks on Canadian health systems

A recent cyberattack in southwestern Ontario highlights the need for clinicians and hospitals to improve their cybersecurity practices. Experts recommend navigating trade-offs between efficiency and risk reduction using the US National Institute of Standards and Technology's Cybersecurity Framework.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 20, 2023

Gambling addiction may increase the risk of long-term sick leave

A new study found that individuals with gambling addiction are at an 89% higher risk of being on long-term sick leave for six years. Those with female gender, less education, and living in less densely populated areas were more likely to experience this risk.

SourceKarolinska Institutet·JournalPsychological Medicine·TypeObservational study·DateNov 20, 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.

Predicting the response of fungal genes using FUN-PROSE

The study used a machine learning approach called FUN-PROSE to predict how fungi react to different environmental conditions. The model was able to accurately predict the expression of genes in baker's yeast and two less studied fungi, with limitations noted for organisms with more complex gene regulation.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateNov 20, 2023

Additively manufactured Ti-Ta-Cu alloys: A potential replacement of Ti6Al4V for the next-generation load-bearing implants

Researchers have developed additively manufactured Ti-Ta-Cu alloys that exhibit improved biocompatibility and bacterial resistance, making them a promising alternative to traditional Ti6Al4V implants. The alloys were found to display remarkable synergistic effects in improving both in vivo biocompatibility and microbial resistance.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateNov 20, 2023

Boomerang-like beams of light

Scientists superposed two light beams twisted in the clockwise direction to create anti-clockwise twists in the dark regions of the resultant superposition. This discovery represents a step towards observing a peculiar phenomenon known as quantum backflow.

SourceUniversity of Warsaw, Faculty of Physics·JournalOptica·DateNov 20, 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.

Snow Centre for Immune Health to revolutionize global immunology research

The Snow Centre for Immune Health will transform how we understand and treat immune diseases, offering a whole-of-system approach to address debilitating conditions like lupus and rheumatoid arthritis. The centre aims to deliver transformational real and measurable impacts for patients through translational research.

SourceWalter and Eliza Hall Institute·DateNov 20, 2023

Investigating the contribution of gamma-ray blazar flares to neutrino flux

A study analyzed 145 blazars to understand the contribution of gamma-ray flares to neutrino emission. Researchers found that blazars with lower flare duty cycles and energy fractions are more numerous, indicating a correlation between their flare activity and neutrino production.

SourceShibaura Institute of Technology·JournalThe Astrophysical Journal·TypeData/statistical analysis·DateNov 20, 2023

Urban environmental exposures drive increased breast cancer incidence

Breast cancer incidence is higher in urban areas with poor environmental quality, especially at early stages. The study found a significant association between environmental exposure and breast cancer incidence, with varying levels of impact depending on the stage of cancer.

SourceDuke University Medical Center·JournalScientific Reports·DateNov 20, 2023

Study reveals bias in AI tools when diagnosing women’s health issue

A recent study published in Nature reveals that machine learning algorithms designed to diagnose bacterial vaginosis in women show diagnostic bias among ethnic groups. The research found that Hispanic women were more likely to receive false-positive diagnoses, while Asian women received the most false-negative diagnoses.

SourceUniversity of Florida·JournalDigital Medicine·DateNov 20, 2023

Why do some people get headaches from drinking red wine?

Researchers found that quercetin in red wine can cause headaches due to its interference with alcohol metabolism, leading to high levels of acetaldehyde. The study suggests a new hypothesis for why some people experience red wine headaches, particularly those with pre-existing migraine or primary headache conditions.

SourceUniversity of California - Davis·JournalScientific Reports·TypeExperimental study·DateNov 20, 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.

C-sections in Mexico increase with obesity level and health care specialization

A study from the University of Illinois found a correlation between high obesity levels at hospitals and increased C-section rates in Mexico. The researchers analyzed patient data from 226 public hospitals across Mexico, finding that hospitals with higher obesity rates were more likely to perform C-sections.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalThe World Bank Economic Review·TypeData/statistical analysis·DateNov 20, 2023

New machine learning technique 30% better at predicting cancer cure rates

A new machine learning model, combining two techniques, has been found to be 30% more effective in predicting who will be cured of disease. This allows for targeted treatment strategies to minimize unnecessary interventions and optimize patient care.

SourceUniversity of Texas at Arlington·JournalThe Annals of Applied Statistics·TypeComputational simulation/modeling·DateNov 20, 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.

Predicting the molecular functions of regulatory genetic variants associated with cancer

Researchers discuss a new approach integrating genomic, epigenomic, transcriptomic, and machine learning methods to identify functional genetic variants and characterize their mode of action in regulating target genes. This method aims to improve understanding of disease etiology and prioritize causative inherited genetic variants.

SourceImpact Journals LLC·JournalOncotarget·TypeData/statistical analysis·DateNov 20, 2023

Anti-bias police training improved performance and reduced discrimination-based complaints significantly

A new study found that anti-bias training significantly improved police performance scores and reduced discrimination-based complaints. Officers who received the training had a small but significant increase in performance scores and a 50% reduction in complaints compared to those who did not receive training.

SourceCrime and Justice Research Alliance·JournalPolicing An International Journal·DateNov 20, 2023

Trend report: High blood pressure increasing in low-income adults; diabetes and obesity on the rise in higher-income adults

A study of over 20,000 middle-aged US adults found lower income status linked to increased hypertension risk. Higher-income adults faced rising rates of diabetes and obesity. Targeted public health initiatives are needed to address growing cardiovascular mortality among middle-aged adults.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateNov 20, 2023

Remarkably detailed view of “teenage galaxies” from just 2 to 3 billion years after the Big Bang revealed by JWST

Astronomers using the JWST have created the deepest spectrum of a distant galaxy ever seen, revealing the presence of eight distinct elements including nickel. The study helps scientists understand how galaxies mature and evolve over time, with surprising findings on the chemical composition of ancient galaxies.

SourceCarnegie Institution for Science·JournalThe Astrophysical Journal Letters·TypeObservational study·DateNov 20, 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.

Physicists answer question of Supergalactic Plane’s absent spiral galaxies

Research reveals that the Supergalactic Plane's sparse spiral galaxies are transformed into elliptical galaxies through frequent interactions and mergers. The study used simulations to model the evolution of the Universe, finding consistency with observations of our cosmic environment.

SourceDurham University·JournalNature Astronomy·TypeComputational simulation/modeling·DateNov 20, 2023

People watched other people shake boxes for science. Here’s why

Researchers at Johns Hopkins University found that people can quickly identify another person's epistemic goals by watching their actions. This study reveals a key aspect of human cognition with implications for artificial intelligence. The team discovered that observers could accurately determine whether someone was trying to learn so...

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateNov 20, 2023

UH researchers develop new percussion method to detect pipeline elbow erosion

Researchers at University of Houston have developed a novel detection method for pipeline elbow erosion using percussion and machine learning. The new method shows great applicability in different pipeline elbows with the same structure and dimension, achieving accuracy greater than 90% in detecting erosion.

SourceUniversity of Houston·JournalMechanical Systems and Signal Processing·DateNov 20, 2023