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Science News Archive October 2023 - Page 26


Page 26 of 37

Obesity leads to a complex inflammatory response inside fat tissue

Researchers discovered five types of macrophages in fat tissue, with one subtype promoting inflammation and another quelling it. The findings challenge the long-held assumption that pro-inflammatory macrophages are solely responsible for obesity-related inflammation.

SourceMichigan Medicine - University of Michigan·JournalJCI Insight·DateOct 10, 2023

Iris recognition technology with exclusive use of electron donor

A research team at Pohang University of Science & Technology created a photomultiplication-type organic photodiode that recognizes colors without an electron receptor, improving stability and full-color capability in applications like biometric recognition technology and cameras.

SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Materials·DateOct 10, 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.

HKUST-led research unveils early predictors of glioma evolution by CELLO2, a self-constructed machine-learning model

A research team led by HKUST developed an AI-powered model to predict glioma patients' prognosis and identify early predictors of tumor evolution under therapy. The model, CELLO2, uses genomic and transcriptomic data from 544 glioma patients to accurately predict treatment-induced hypermutation and grade progression.

SourceHong Kong University of Science and Technology·JournalScience Translational Medicine·TypeData/statistical analysis·DateOct 10, 2023

Multiple novel yeast species detected in the gut of green lacewing in Japan

Researchers isolated and described novel yeast species from the gut of green lacewings in Japan, revealing a wider range of microbial inhabitants than previously known. The study identified three new species within the Metschnikowia genus, shedding light on the insect microbiome's complexity.

SourceUniversity of Tsukuba·JournalAntonie van Leeuwenhoek·DateOct 10, 2023

Lundquist Investigator Dr. Loren Miller is the lead author of the “universal decolonization” study published in the New England Journal of Medicine

Researchers found that using chlorhexidine bathing routine and an over-the-counter antiseptic to clean the nose can significantly reduce serious infections and antibiotic-resistant organisms in nursing homes. The study involved nearly 14,000 residents at 28 California nursing homes and showed a substantial reduction in hospital transfe...

SourceThe Lundquist Institute·JournalNew England Journal of Medicine·TypeObservational study·DateOct 10, 2023

B cell response after influenza vaccine in young and older adults

Researchers found a quantitative difference in B cell response following vaccination between young and older adults, with younger adults mounting a stronger clonal response and older adults having more activated B cells. This study provides insights into the age-related differences in B cell vaccine response and may lead to the develop...

SourceImpact Journals LLC·JournalAging-US·TypeObservational study·DateOct 10, 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.

Breakthrough method for robust and effective edge detection

Researchers have developed a noise-resistant method for detecting object edges without prior imaging. The new method, called edge-sensitive single-pixel imaging, proves highly effective in accurately detecting object edges despite the presence of noise.

SourceIntelligent Computing·JournalIntelligent Computing·DateOct 10, 2023

Non-melanoma skin cancer killing more people than melanoma, new study finds

A recent study has found that non-melanoma skin cancer (NMSC) is causing a greater number of global deaths than melanoma. NMSC accounted for 78% of all skin cancer cases in 2020, resulting in over 63,700 deaths. The study highlights the need to implement effective strategies to reduce fatalities associated with all kinds of skin cancers.

SourceBeyond·DateOct 10, 2023

A single parameter to describe animal locomotion

Researchers develop a phase shift parameter to describe animal locomotion, combining forces of inertia, gravity, elasticity and viscosity into one dimensionless number. This new parameter predicts muscle activation patterns in a wide range of animals during locomotion.

SourcePNAS Nexus·JournalPNAS Nexus·DateOct 10, 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.

Plasma technology transforms microalgae for faster wound healing

Researchers at Flinders University use plasma technology to transform Spirulina microalgae into ultrathin bioactive coatings that accelerate healing, modulate inflammation, and protect against infection. The new technique could be a game-changer for wound healing around the world.

SourceFlinders University·JournalSmall·TypeExperimental study·DateOct 10, 2023

Genes may be responsible for third of complex regional pain syndrome cases

Researchers found that genetic variations in four genes were more common in people with CRPS than those with chronic back pain. However, men were more likely to have these genetic variants but less likely to develop the condition. This suggests that sex-specific mechanisms may be at play, which could influence treatment responses.

SourceBMJ Group·JournalJournal of Medical Genetics·TypeObservational study·DateOct 10, 2023

How facial coloring shapes our unconscious emotions

Researchers discovered that reddish tints on faces can make happiness seem friendlier, while having no effect on angry expressions. The study suggests that facial color quietly affects our perception of emotions, even when we're not aware of it.

SourceToyohashi University of Technology (TUT)·JournalCognition & Emotion·TypeExperimental study·DateOct 10, 2023
Apple iPhone 17 Pro

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

Focus on perovskite emitters in blue light-emitting diodes

Recent studies have made progress in developing blue PeLED devices, with techniques including compositional engineering, dimensional control, and size confinement. The goal is to increase efficiency and stability, overcoming the current limitations of 10% efficiency and insufficient stability. By exploring these technical routes, scien...

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateOct 10, 2023

USC researchers develop blood test for early-stage ovarian cancer

A new blood test called OvaPrint TM detects specific nucleic acids in the blood, distinguishing between cancerous and benign pelvic masses with high accuracy. The test has the potential to improve treatment outcomes by identifying the best surgical approach for patients with a pelvic mass.

SourceKeck School of Medicine of USC·JournalClinical Cancer Research·DateOct 10, 2023

Finding explanation for Milky Way’s warp

Astronomers at Harvard University have discovered a tilted dark matter halo, explaining the Milky Way's warp and flare. The team used models to calculate star orbits within a warped, oblong dark matter halo, matching existing observations of a distorted galaxy.

SourceHarvard University·JournalNature Astronomy·TypeData/statistical analysis·DateOct 10, 2023
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

University of Minnesota Medical School professor receives $4.39 million grant to study heart condition linked to dementia

A University of Minnesota Medical School professor is receiving a $4.39 million grant to study atrial myopathy, a heart condition associated with increased risk of dementia and vascular brain injury. The project aims to characterize the progression of atrial myopathy and its relationship to dementia and mild cognitive impairment.

SourceUniversity of Minnesota Medical School·DateOct 10, 2023

STAT3 as a target in H3K27M-mutant DMGs

Researchers discovered the STAT3 signaling pathway as a potential target for treating H3K27M-mutant diffuse midline gliomas (DMGs), a uniformly lethal central nervous system malignancy. The current standard of care, including palliative radiation and chemotherapy, remains ineffective in this disease.

SourceImpact Journals LLC·JournalOncotarget·TypeCommentary/editorial·DateOct 10, 2023

Illinois researchers prove that new method can be used to measure ozone stress in soybeans

A team from the University of Illinois used solar-induced chlorophyll fluorescence (SIF) to measure the effects of elevated ozone on soybean plants, finding a 36% decrease in SIF during the late growing season. The study confirms that decreased SIF is a sign of stress and provides a non-invasive way to study photosynthesis.

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalJournal of Experimental Biology·TypeData/statistical analysis·DateOct 10, 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.

Unlocking innovation: Multistable mechanical metamaterials’ evolution in design, manufacturing, and applications

Multistable mechanical metamaterials can switch between multiple stable configurations under external loading, making them reusable and efficient for quick action. Their unique properties make them promising for various engineering applications, including energy absorption, soft actuators/robots, and wave control.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateOct 10, 2023

A new approach to rare disease diagnosis

Researchers have developed STARVar, an artificial intelligence-powered method that leverages diverse data sources to identify genetic variants associated with diseases. The tool prioritizes genomic variants based on real-world patient symptoms, providing a more nuanced understanding of clinical presentations.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalBMC Bioinformatics·DateOct 10, 2023

Whispering gallery microprobe for 2D mapping of enhanced Raman spectroscopy

Researchers developed a novel WGM microprobe to enhance Raman signals by combining surface-enhanced Raman spectroscopy (SERS) and whispering-gallery-mode (WGM) microresonators. The platform enables 2D hyperspectral imaging with signal enhancement, opening opportunities for material analysis and chemical imaging.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateOct 10, 2023

TB vaccine discovery paves path to end no. 1 killer of people living with HIV

Scientists have discovered a TB vaccination strategy that prevents lung infection in monkeys infected with SIV, despite the vaccine being contraindicated for people living with HIV. The results show promise for protecting people with HIV against TB, which is the leading cause of death among them.

SourceUniversity of Pittsburgh·JournalNature Microbiology·TypeExperimental study·DateOct 10, 2023

Pingpong balls score big as sound absorbers

Researchers created an inexpensive and effective sound insulation panel using pingpong balls as Helmholtz resonators, capturing ambient sound waves at their natural frequency. The design allows for adjustable acoustic properties and potential applications in various functionalities.

SourceAmerican Institute of Physics·JournalJournal of Applied Physics·DateOct 10, 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.

How video games could unlock new treatments for Parkinson’s

A study by researchers at the University of California - Riverside found that certain aspects of video game play can stimulate dopamine release and potentially aid in treating Parkinson's disease symptoms. The research suggests a promising new approach for managing the condition.

SourceUniversity of California - Riverside·DateOct 10, 2023

How plant-derived nutrients can affect the gut and brain

Research suggests that high-dose dietary prebiotics can reduce reward-related brain activation in response to high-calorie food stimuli. The study found a shift in the composition of the gut bacteria, which may underlie the altered brain response towards high-calorie food cues.

SourceUniversität Leipzig·JournalGut·TypeRandomized controlled/clinical trial·DateOct 10, 2023

Microbial metabolites: A new link to Parkinson's disease?

A recent study by the University of Vienna and collaborators suggests that microbial metabolites may play a role in inducing Parkinson's-like symptoms. The researchers identified a specific bacterial metabolite that selectively damages dopamine-producing neurons, mirroring the neuronal loss observed in Parkinson's disease.

SourceUniversity of Vienna·JournalEnvironment International·DateOct 10, 2023

Mental health issues in Latinx middle schoolers may increase risk of sleep problems, obesity and unhealthy behaviors

A new study found that Latinx middle schoolers with depression or anxiety are more likely to develop sleep problems, unhealthy weight gain, and sedentary behavior in high school. Prompt mental health treatment may help teens overcome these issues and reduce the risk of heart disease and stroke.

SourceGeorge Washington University·JournalJournal of Adolescent Health·DateOct 10, 2023

Postsurgery memory impairment in middle-aged Chinese patients

Middle-aged Chinese surgery patients experience subjective cognitive impairment within 12 months after surgery, with identified risk factors. Preoperative psychological interventions and optimized perioperative management may help prevent postoperative cognitive impairment.

SourceJAMA Network·JournalJAMA Network Open·DateOct 10, 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.

Are we running out of water? Water security threatened by droughts and heatwaves worldwide

A global study reveals that extreme events over the last thirty years had substantial impacts on water use patterns, differing per sector and region. The domestic and irrigation sectors have the highest priority for water use worldwide, but stricter measures are often taken in favor of the domestic sector during extremes.

SourceUniversiteit Utrecht Faculteit Geowetenschappen·JournalEnvironmental Research Letters·TypeData/statistical analysis·DateOct 10, 2023

The ribosome–depression link

Research links ribosomal protein genes to human depression, showing dysregulation under stress and reversibility during remission. The study suggests that ribosome dysfunction alters neural synapse function, leading to mood disorders.

SourcePNAS Nexus·JournalPNAS Nexus·DateOct 10, 2023

The world's first comprehensive pan-genome analysis of lactic acid bacteria unveils new avenues for food industry and healthcare

The study provides a comprehensive understanding of the genetic capabilities, metabolic pathways, and biosynthetic gene clusters of 26 LAB species. This research has real-world applications in the food industry, healthcare, and environmental sciences.

SourceDanmarks Tekniske Universitet The Novo Nordisk Foundation Center for Biosustainability·JournalFood Microbiology·DateOct 10, 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.

High-performance SERS substrate proposed based on 2H-TaS2 and single-atom-layer gold clusters

Researchers propose a new SERS substrate based on 2D layered material Au-2H-TaS2, achieving a two orders of magnitude enhancement in Raman scattering. The study reveals an innovative electromagnetic field enhancement mechanism through near neighbor electron orbit coupling effect.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalThe Journal of Physical Chemistry Letters·DateOct 10, 2023

Major study reveals safest way to take Valium and Ativan

A major study has found that taking benzodiazepines like Valium and Ativan intermittently instead of continuously can lead to significant reductions in side effects such as falls, hip fractures, hospitalizations, and even death. The research showed a 20% decrease in hip fractures, 33% fewer men's falls requiring hospitalization, and a ...

SourceEuropean College of Neuropsychopharmacology·DateOct 10, 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.

Medical imaging fails dark skin. Researchers fixed it

Researchers at Johns Hopkins University have developed a new algorithm to filter out unwanted signals in medical images of darker skin tones, producing significantly sharper images. This breakthrough aims to mitigate bias in imaging technologies and improve surgical navigation and medical diagnostics for patients with diverse skin tones.

SourceJohns Hopkins University·JournalPhotoacoustics·TypeExperimental study·DateOct 10, 2023

X-rays reveal microstructural fingerprints of 3D-printed alloy

Researchers at Cornell University developed a novel approach to explore microstructure emergence in 3D-printed metal alloys using X-ray bombarding. The technique reveals 'microstructural fingerprints' that capture the history of the material during processing, allowing for customized materials with improved performance.

SourceCornell University·JournalCommunications Materials·DateOct 10, 2023

Scientists cloned a novel gene responsible for glufosinate resistance in rice

Researchers successfully cloned a novel gene responsible for glufosinate resistance in rice and identified its functional characteristics. The GLR1 gene encodes ARF18, which inhibits the expression of genes involved in ammonia and ROS clearance, leading to plant death.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalPlant Biotechnology Journal·DateOct 10, 2023

Five years of legal cannabis in Canada: mixed success

Cannabis legalization in Canada has yielded mixed results, with most consumers obtaining their cannabis from legal sources and a significant decrease in arrests and stigma. However, concerns persist about the impact on public health, particularly regarding increased emergency department visits and impaired driving.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeCommentary/editorial·DateOct 10, 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.

Comprehensive new Canadian guideline for skeletal health and fracture prevention

The new comprehensive guideline from Osteoporosis Canada provides recommendations for exercise, nutrition, fracture risk assessment, treatment, and more to optimize skeletal health and prevent fractures. The guideline recommends screening in men and younger women, reflecting advances in risk assessment and nonpharmacologic and pharmaco...

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateOct 10, 2023

Exploring inhospitable depths

The expedition aims to study the geological system and evolution of hydrothermal ecosystems in the Red Sea. The team will use modern seafloor observation systems and instruments like the ROV Kiel 6000 to locate and map hydrothermal habitats.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·DateOct 10, 2023

Study: Wild pig populations in U.S. can be managed

Researchers found a 70% reduction in wild pig populations and a corresponding decline in environmental rooting damage within 24 months of control efforts. The study suggests that management efforts exceeding 40-60% population removal per year can significantly reduce populations, but unknown is the rate of recovery if efforts cease.

SourceUniversity of Georgia·JournalPest Management Science·DateOct 10, 2023

Rice-engineered material can reconnect severed nerves

Researchers have created a magnetoelectric material that can directly stimulate neural tissue, potentially treating neurological disorders and nerve damage. The material generates an electric signal that neurons can detect, overcoming previous limitations.

SourceRice University·JournalNature Materials·TypeExperimental study·DateOct 10, 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.

How to cope when your values clash with your co-workers’

A new study by Ohio State University found that employees with differing values are less respected and engaged in the workplace. However, disclosing personal information about themselves can help value minorities feel more a part of their teams.

SourceOhio State University·JournalOrganization Science·TypeExperimental study·DateOct 10, 2023

Use of prenatal telehealth in the first year of the pandemic

A cross-sectional study found that most survey respondents who gave birth between June and December 2020 did not use prenatal telehealth. Personal preference for in-person care was the most common reason among those who chose not to use telehealth services.

SourceJAMA Network·JournalJAMA Network Open·DateOct 10, 2023

Scientists discover ‘flipping’ layers in heterostructures to cause changes in their properties

Researchers found that changing the stacking order of layers in transition metal dichalcogenide (TMD) semiconductors creates new optoelectronic devices with tailor-made properties. The study reveals dark excitons exclusively located in the top layer, which can be utilized for optical power switches in solar panels.

SourceInstitute for Basic Science·JournalNature Communications·TypeExperimental study·DateOct 10, 2023

Immune cells identified as "metabolic factories" in the gut

Macrophages produce polyamines spermidine and spermine, which benefit epithelial cells, promoting their proliferation and defense mechanisms. This "commensal metabolism" supports the efficient self-renewal of the intestinal epithelium.

SourceMedical University of Vienna·JournalCell Metabolism·DateOct 10, 2023
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.