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Science News Archive 2023 - Page 87


Page 87 of 444

Cocoa pods — a source of chocolate, and potentially, flame retardants

Researchers have discovered that high-quality lignin can be extracted from cocoa pod husks and modified to have flame-retardant properties. The team's modified lignin biopolymer charred when heated but did not burn, suggesting its potential as a fire suppressant.

SourceAmerican Chemical Society·JournalACS Sustainable Chemistry & Engineering·DateOct 17, 2023

Public health interventions prevented transmission within BU most SARS-CoV-2 cases

A new study found that public health interventions, including testing, tracing, and quarantine, effectively controlled SARS-CoV-2 transmission within Boston University. The researchers identified only two major outbreaks during the spring 2021 semester, highlighting the effectiveness of systematic intervention strategies in limiting re...

SourceBoston University School of Medicine·JournalThe Journal of Infectious Diseases·TypeData/statistical analysis·DateOct 17, 2023

Adults with ADHD are at increased risk for developing dementia

A Rutgers University study of over 100,000 older adults found that adults with ADHD are at a significantly higher risk of developing dementia. The research suggests that ADHD treatment may help mitigate this risk, particularly with psychostimulant medications.

SourceRutgers University·JournalJAMA Network Open·TypeData/statistical analysis·DateOct 17, 2023
Apple iPhone 17 Pro

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

SEC insider trading rule has loopholes

A recent study by University of Texas at Austin professor Robert Parrino found that the SEC's Rule 10b5-1 has limited effectiveness in limiting insider trading. Despite being widely used, the rule allows CEOs to game the system by canceling trades or using limit orders within the plan.

SourceUniversity of Texas at Austin·JournalJournal of Financial Economics·TypeObservational study·DateOct 17, 2023

Miniaturized FSO breakthrough unlocks high-speed wireless communication anywhere

Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics Nexus·DateOct 17, 2023

Unlocking nature's silent conversations: Real-time visualization of plant-plant communications through airborne volatiles

Plant researchers visualized real-time plant-plant communication through airborne volatile organic compounds (VOCs), revealing a Ca2+ dependent defense response mechanism. The study found that specific VOCs, such as (Z)-3-hexenal and (E)-2-hexenal, induce Ca2+ signals in plants, activating defense responses.

SourceSaitama University·JournalNature Communications·TypeExperimental study·DateOct 17, 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.

Study examines role of working memory, cognitive functions in English learners learning to write

Researchers found that working memory was the most significant predictor of writing ability among English learner students. Cognitive functions such as phonological awareness and oral language development were also important, but only working memory consistently predicted higher scores in writing.

SourceUniversity of Kansas·JournalJournal of Experimental Child Psychology·TypeExperimental study·DateOct 17, 2023

New specimen collection system enhances assisted reproductive technologies

A new specimen collection system has been developed to enhance assisted reproductive technologies by providing a simple one-step method for selecting high-quality sperm for ICSI. The system, known as NovaSort, uses a barrier mesh to isolate mobile sperm without damaging their DNA.

SourceTexas Tech University Health Sciences Center·JournalOpen Journal of Obstetrics and Gynecology·TypeExperimental study·DateOct 17, 2023

New publication reveals surprising insights into dog sterilization, obesity

A recent scientific publication found that sterilized dogs of different sizes exhibit varying levels of obesity, with small breeds at highest risk and giant breeds at lowest. The study also discovered that the optimal time for spaying/neutering differs by breed size, with young large breeds facing a higher risk of obesity.

SourceMorris Animal Foundation·JournalJournal of the American Veterinary Medical Association·DateOct 17, 2023

UCLA-led team finds a stem-cell derived mechanism that could lead to regenerative therapies for heart damage

A UCLA-led team has identified RBFox1, an RNA splicing regulator, as a key player in promoting human stem cell-derived heart muscle cell maturation. This finding offers a deeper understanding of heart muscle cell development and hints at future therapeutic applications for regenerative therapies.

SourceUniversity of California - Los Angeles Health Sciences·JournalCirculation·TypeExperimental study·DateOct 17, 2023

The dark side of the American lawn

Research in Baltimore metropolitan area finds nitrogen-rich fertilizers on lawns contribute to algal blooms and deoxygenated waters. Many homeowners are unaware of the negative impact of their lawn care practices on local ecosystems.

SourcePNAS Nexus·JournalPNAS Nexus·DateOct 17, 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.

Largest US cardiac database shows excellent long-term survival after surgical aortic valve replacement

A study of 42,586 low-risk patients who underwent surgical aortic valve replacement reveals a 5-year survival rate of 93%. The study used the STS National Database and found that eight-year survival was close to 90%. The results provide a benchmark for outcomes in managing aortic valve stenosis.

SourceThe Society of Thoracic Surgeons·JournalThe Annals of Thoracic Surgery·TypeData/statistical analysis·DateOct 17, 2023

Whaling wiped out far more fin whales than previously thought

A new genomic study reveals that whaling in the 20th century destroyed 99% of the Eastern North Pacific fin whale breeding population, but genetic diversity remains high enough to support conservation efforts. The study's findings highlight the importance of enforcing the international whaling ban to aid fin whale recovery.

SourceUniversity of California - Los Angeles·JournalNature Communications·DateOct 17, 2023

New study sheds light on the developmental mechanism of allergic conjunctivitis

Researchers from Juntendo University discovered that pollen shells trigger the rapid formation of goblet cell-associated antigen passages, which enable swift allergen transport to the conjunctiva. The study highlights the complex interplay between sensory nerves and the immune response in allergic conjunctivitis.

SourceJuntendo University Research Promotion Center·JournalJCI Insight·TypeExperimental study·DateOct 17, 2023

Decontamination method zaps pollutants from soil

A new method developed by Rice University scientists uses a high-temperature electrothermal process to remove multiple pollutants simultaneously, including heavy metals and organic contaminants. The process leaves soil particle size and mineral composition unchanged, while improving water infiltration rate and nutrient availability.

SourceRice University·JournalNature Communications·TypeExperimental study·DateOct 17, 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.

Genetic risk scores not useful in predicting disease

Researchers found that polygenic risk scores identify only 11% of individuals who develop disease and generate 5% false positives. The scores contribute little health benefit while adding cost and complexity to healthcare systems.

SourceUniversity College London·JournalBMJ Medicine·TypeObservational study·DateOct 17, 2023

Baby birds hatch with ability to mimic mom

Researchers found that native wren mothers' calls help their newborns develop distinctive vocalizations for food and bonding. The study, published in pre-print by The American Naturalist, reveals the unique 'B element' call produced by females that is also the nestling's begging call.

SourceFlinders University·JournalThe American Naturalist·TypeObservational study·DateOct 17, 2023

Smarter CT scans may approach the level of MRI

A new method using deep learning can provide as much information from brain images taken with CT as images captured with MRI, enhancing diagnostic support for conditions like dementia and other brain disorders. The software has been trained on 1,117 people and shows promise in diagnosing normal pressure hydrocephalus.

SourceUniversity of Gothenburg·JournalAlzheimer s & Dementia·TypeImaging analysis·DateOct 17, 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.

First genetic causes of Raynaud’s phenomenon discovered

Scientists identified two genes, ADRA2A and IRX1, that predispose individuals to Raynaud's phenomenon. The genes affect the body's ability to regulate blood vessel constriction, leading to white fingers and toes in response to cold or stress. The study provides new insights into the disease and potential treatment options, including th...

SourceBIH at Charité·JournalNature Communications·TypeData/statistical analysis·DateOct 17, 2023

Cracking the code of 2022's unprecedented heatwaves and droughts

A global study sheds light on extreme heat and drought events in 2022, attributing them to circulation patterns, oceanic forcing, and anthropogenic climate change. The research aims to enhance prediction and mitigation capabilities for future extreme weather occurrences.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateOct 17, 2023

Dogs prefer food over toys, according to science

A recent University of Florida study found that nine out of ten dogs chose food over toys in a simulated training experience. Dogs responded more strongly to the food reward and gave up earlier when offered a preferred toy reward.

SourceUniversity of Florida·JournalAnimals·DateOct 17, 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.

Founder personality could predict start-up success: study

A recent study reveals that start-up founders' core Big Five personality traits significantly differ from the general population and are more important for success than previously thought. Successful entrepreneurs tend to have preferences for variety, novelty, and being the centre of attention, while also exhibiting high activity levels.

SourceUniversity of New South Wales·JournalScientific Reports·TypeData/statistical analysis·DateOct 17, 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.

Depression, anxiety common among college students

A recent study from the University of Georgia found that depression rates were significantly higher among students who were not the same race as their peers at predominantly white colleges. First-generation students also experienced higher levels of depression compared to non-first generation students. Investing in diversity, equity, a...

SourceUniversity of Georgia·JournalJournal of American College Health·DateOct 17, 2023

What drives obesity - diets high in fat? Carbohydrates? Actually, it’s everything – and fructose is at the center

A new study led by Richard Johnson, MD, suggests that fructose is the key driver of obesity, bringing together long-incompatible theories on dietary causes. Fructose lowers active energy in the body, triggering hunger and food intake, and fatty foods become the major source of calories driving weight gain.

SourceUniversity of Colorado Anschutz Medical Campus·JournalObesity·DateOct 17, 2023

New research suggests why males and females respond differently to social stress

Researchers found that testosterone plays a crucial role in shaping the brain's response to social stress, with mice lacking testosterone exhibiting exaggerated fear responses. The study's findings have implications for understanding human behavior and may help explain why women are more likely to be diagnosed with anxiety disorders.

SourceUniversity of California - Davis·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 17, 2023

Setting trans fat limits in Kenya could save thousands of lives and cut costs

The Kenyan government and food industry could save billions USD by implementing trans fat limits, which would also reduce heart disease cases and prevent deaths. Experts urge food manufacturers to prioritize consumer health by removing trans fats from products now.

SourceGeorge Institute for Global Health·JournalBMJ Global Health·TypeComputational simulation/modeling·DateOct 17, 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.

Brain connectivity is disrupted in schizophrenia

Researchers found that hierarchical cortical organization is impaired in people with schizophrenia, leading to disruptions in processing stimuli from the external world. This disruption affects secondary processing of sensorimotor-visual gradients, explaining behavioral and clinical symptoms of the disease.

SourceElsevier·JournalBiological Psychiatry Cognitive Neuroscience and Neuroimaging·TypeImaging analysis·DateOct 17, 2023

Researchers test seafloor fiber optic cable as an earthquake early warning system

A new study demonstrates how unused telecommunications fiber optic cables can be transformed for offshore Earthquake Early Warning (EEW) systems. Researchers used a 50-kilometer cable to sample seismic data at 8,960 channels and achieved an approximate three-second improvement in EEW alert times compared to onshore DAS arrays.

SourceSeismological Society of America·JournalThe Seismic Record·TypeObservational study·DateOct 17, 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.

Antibiotic-resistant bacteria mapped in Ghana

Scientists sequenced nearly 600 Klebsiella samples and found two-thirds are K. pneumoniae, with carbapenem-resistant strains confined to clinical settings. Genomic surveillance informs control measures against treatment-resistant infections.

SourceWellcome Trust Sanger Institute·JournalThe Lancet Microbe·DateOct 16, 2023

Lab-grown skin helps unlock secrets of mpox virus infection

Researchers have developed a lab-grown human skin model that effectively replicates mpox virus infections, providing insights into the virus's mechanisms of attack on skin cells. The study reveals how the virus causes disease and identifies potential therapeutic targets, including an antiviral drug called tecovirimat.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Microbiology·DateOct 16, 2023

Link between seasons and eating habits

Research suggests that eating habits in winter may be better for metabolic health than in summer, especially in mice exposed to 'winter light'. The study found that these mice had less body weight gain and more rhythmic eating patterns, leading to benefits in metabolic health. Further studies in humans are needed to confirm this finding.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalCell Metabolism·DateOct 16, 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.

Firearm exposure associated with poorer health in communities around the U.S.

A study by Rutgers University finds that gun violence is tied to poverty, unemployment, and racial segregation, leading to poorer health and well-being in disadvantaged neighborhoods. The research highlights the need for long-term investments to reduce firearm-related violence and improve health outcomes.

SourceRutgers University·JournalJournal of Urban Health·TypeData/statistical analysis·DateOct 16, 2023

Genomic analysis in snakes shows link between neutral, functional genetic diversity

Researchers found that neutral genetic diversity correlates with functional genetic diversity in Eastern massasauga rattlesnakes, suggesting a more efficient approach for species conservation. This discovery has implications for endangered species conservation, as it may not be necessary to sequence entire genomes for all cases.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateOct 16, 2023

Empathetic cancer clinicians promote psychological well-being in breast cancer patients

A Rutgers study examines how oncology doctors facilitate psychological well-being, finding that providers who show more empathy promote better psychological health among breast cancer patients. The research also highlights the importance of addressing uncertainty throughout the cancer trajectory to facilitate psychological adjustment.

SourceRutgers University·JournalPatient Education and Counseling·TypeSurvey·DateOct 16, 2023

Marine bacteria take a bite at plastic pollution

Researchers at Hokkaido University found a bacterium that can break down the eco-friendly polymer polybutylene succinate in marine environments. The discovery of the enzyme PBSase has the potential to improve recycling technologies and develop new marine biodegradable polymers.

SourceHokkaido University·JournalEnvironmental Microbiology·TypeExperimental study·DateOct 16, 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.

Scientists present the first set of global maps showing geographic patterns of beta-diversity in flowering plants

Scientists have mapped global patterns of beta-diversity in flowering plants, finding that tropical dry climates exhibit higher levels of beta diversity than wet tropical climates. The study also shows consistent geographic patterns across different metrics of beta diversity.

SourceKeAi Communications Co., Ltd.·JournalPlant Diversity·TypeData/statistical analysis·DateOct 16, 2023

Local retail outlets for legal marijuana may be associated with alcohol co-use among high school students: Study

A recent study found that areas with local retail availability of legalized marijuana have higher rates of marijuana and alcohol co-use among high school students. The study suggests that 'greater retail availability may normalize' marijuana use for young people, even if they can't purchase it directly from retail businesses.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeSurvey·DateOct 16, 2023

New research points out ways to improve tuberculosis vaccines

A new study reveals that innate CD8+ lymphocytes play a crucial role in limiting tuberculosis infection, and an inflammatory molecule called Interleukin-15 could be used to boost vaccine efficacy. Researchers found that these cells create a 'bottleneck' preventing bacteria from establishing active infection.

SourceUniversity of Pittsburgh·JournalJournal of Experimental Medicine·DateOct 16, 2023

New study assesses safety and efficacy of radial access for peripheral artery interventions

A new study assesses the safety and efficacy of radial access for peripheral artery interventions, finding it associated with favorable safety profiles and comparable procedural success rates. Radial access was also found to reduce bleeding complications and improve patient comfort, making it a potential alternative to traditional femo...

SourceSociety for Cardiovascular Angiography and Interventions·JournalJournal of the Society for Cardiovascular Angiography & Interventions·DateOct 16, 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.

BMAL1 modulates senescence programming via AP-1

Researchers discovered BMAL1 is significantly upregulated in senescent cells and modulates the senescence program through AP-1. The study highlights a previously unappreciated role of BMAL1 in regulating cellular senescence and circadian clock components.

SourceImpact Journals LLC·JournalAging-US·TypeObservational study·DateOct 16, 2023

Fluctuating blood pressure: a warning sign for dementia and heart disease

A new study finds that short and long-term blood pressure fluctuations increase the risk of dementia and vascular problems in older people. Higher systolic BP variations are also linked with stiffening of the arteries, a key factor in heart disease.

SourceUniversity of South Australia·JournalCerebral Circulation - Cognition and Behavior·TypeCase study·DateOct 16, 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.

Treating high-risk drinking, alcohol use disorder: new Canadian guideline

The new Canadian guideline aims to reduce harms associated with high-risk drinking and support people's treatment and recovery from AUD. It provides 15 evidence-based recommendations for primary health care providers to implement effective screening and treatment interventions.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeLiterature review·DateOct 16, 2023