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Science News Archive October 2023 - Page 19


Page 19 of 37

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
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.

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

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
Apple iPhone 17 Pro

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

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

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
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.

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
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.

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

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
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

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

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
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.

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

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
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.

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

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
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.

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

Mouse model of COVID-19 in pregnancy shows benefit of paxlovid treatment

A new mouse model study suggests that Paxlovid treatment can prevent COVID-19-like disease symptoms in mothers and developmental deficits in offspring. The treatment reduced viral loads and disease signs in mothers, and prevented growth and developmental deficits in their offspring.

SourceJohns Hopkins Bloomberg School of Public Health·JournalJournal of Clinical Investigation·TypeExperimental study·DateOct 16, 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.

Extinct ape gets a facelift, 12 million years later

A new study reconstructs the well-preserved skull of Pierolapithecus catalaunicus, a key fossil in understanding great ape and human evolution. The researchers found that the species shares similarities with both fossilized and living great apes, but also has distinct facial features not found in other Middle Miocene apes.

SourceAmerican Museum of Natural History·JournalProceedings of the National Academy of Sciences·DateOct 16, 2023

Ice sheet surface melt is accelerating in Greenland and slowing in Antarctica

Researchers at UC Irvine have found that wind-driven surface melt of the Greenland ice sheet has increased by over 10% in recent decades, while Antarctic surface melt has decreased by 15%. The study suggests that these changes are due to the influence of global warming on wind patterns and ozone layer recovery.

SourceUniversity of California - Irvine·JournalGeophysical Research Letters·DateOct 16, 2023

Early behavioral health problems need earlier interventions

A six-year study analyzing data from over 15,000 lower-income children ages 2 to 6 reveals higher-than-expected levels of significant behavioral dysfunction. The research highlights the importance of early interventions to prevent behavior problems from escalating.

SourceCincinnati Children's Hospital Medical Center·JournalJAMA Pediatrics·DateOct 16, 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.

Climate change coping mechanism discovered in humble algae

Algae have adapted to cope with nutrient starvation by evolving a new cellular machinery that allows them to use sunlight for growth without iron. This discovery holds promises for biotechnology developments that could enhance crop productivity and support marine ecosystems.

SourceUniversity of East Anglia·JournalNature Microbiology·TypeComputational simulation/modeling·DateOct 16, 2023

Cell-friendly bioprinting at high fidelity enhances its medical applicability

Researchers from Osaka University have developed a bioprinting technique that enables the creation of complex soft tissue structures with high fidelity. The method uses a printing support to facilitate gelation of a bioink, resulting in cell viability and viability for up to two weeks.

SourceOsaka University·JournalACS Biomaterials Science & Engineering·TypeExperimental study·DateOct 16, 2023

Geotechnical centrifuge modeling for simulating long-term radionuclide migration in large-scale fractured rocks

Researchers from Zhejiang University developed a new method to simulate radionuclide transport in fractured granite, using hyper-gravity experiments and 3D-printed fracture networks. This breakthrough could improve deep geological disposal methods and mitigate the risk of nuclear waste leakage.

SourceKeAi Communications Co., Ltd.·JournalRock Mechanics Bulletin·TypeExperimental study·DateOct 16, 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.

Research in the Special Issue of Journal of Pharmaceutical Analysis uncovers previously unexplored cellular mechanisms

Researchers have discovered new insights into microglia-astrocyte communication and its impact on intracerebral hemorrhage, as well as the testicular toxicity of triptolide. Additionally, a study on epicardial cells has identified key gene markers associated with cardiac regenerative therapy strategies.

SourceCactus Communications·JournalJournal of Pharmaceutical Analysis·TypeExperimental study·DateOct 16, 2023

Rising seas will tighten vise on Miami even for people who are not flooded, says study

A new study finds that four out of five Miami-Dade County residents may face disruption or displacement due to sea-level rise, with lower-income people bearing the brunt. As habitable areas shrink and housing prices rise, only a small number of affluent residents can relocate, while many others are trapped in low-lying properties.

SourceColumbia Climate School·JournalEnvironmental Research Letters·TypeMeta-analysis·DateOct 16, 2023

Neutrons see stress in 3D-printed parts, advancing additive manufacturing

Scientists have developed a system that can measure strain and stress in 3D-printed parts, allowing for the creation of high-performance components with tailored residual stresses. This technology has the potential to increase strength, reduce weight, and enable complex shapes in manufacturing.

SourceDOE/Oak Ridge National Laboratory·JournalNature Communications·TypeComputational simulation/modeling·DateOct 16, 2023

Golf, walking and Nordic walking may enhance cognitive function in older adults

A recent study published in BMJ Open Sport & Exercise Medicine found that playing golf, Nordic walking, or regular walking for just one session can improve immediate cognitive function in older adults. The research also showed that Nordic walking and regular walking were associated with enhanced executive functions.

SourceUniversity of Eastern Finland·JournalBMJ Open Sport & Exercise Medicine·DateOct 16, 2023

More sustainable agriculture by global redistribution of nitrogen fertilizer

A global redistribution of nitrogen fertilizer use could reduce grain production in North America, Europe, and East Asia while increasing it in Sub-Saharan Africa. This would decrease nitrogen pollution by 71 percent and positively affect nitrous oxide emissions.

SourceKarlsruher Institut für Technologie (KIT)·JournalCommunications Earth & Environment·TypeData/statistical analysis·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.

The new robot is taking its first intuitive steps

A team of engineers at the University of Pittsburgh has created a new robot that can navigate complex environments using bio-inspired neural networks. The robots will be able to avoid obstacles and learn from their experiences, enabling autonomous navigation for various applications such as commercial transport and disaster response.

SourceUniversity of Pittsburgh·DateOct 16, 2023

Novel hydrogel finds new aptamers, or ‘chemical antibodies,’ in days

Researchers developed a novel method to find high-affinity aptamers, short DNA or RNA molecules that can bond to specific target molecules. The 'hydrogel for aptamer selection' (HAS) method uses a porous polymer network to retain well-fitting aptamers, reducing the time and effort required to identify suitable candidates.

SourcePenn State·JournalNature Biotechnology·TypeExperimental study·DateOct 16, 2023

When one size doesn't fit all

The Swanson School of Engineering at the University of Pittsburgh is launching a personalized learning model to cater to students' unique career aspirations. The program offers one-credit modules and professional development streams in industry, entrepreneurship, and academia to help students forge their own path.

SourceUniversity of Pittsburgh·DateOct 16, 2023