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Science News Archive 2024 - Page 46


Page 46 of 484

A clue to what lies beneath the bland surfaces of Uranus and Neptune

Researchers argue that the planets' unique magnetic fields can be explained by immiscible layers of water and hydrocarbons. Computer simulations show that a combination of water, methane, and ammonia separates into two distinct layers under extreme temperatures and pressures.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateNov 25, 2024

New nitrification inhibitor developed for better nitrogen use in agriculture

A new nitrification inhibitor, copper pyrazole, has been developed to slow down the nitrification and denitrification processes in nitrogen transformation. The study found that copper pyrazole reduces urease activity and lowers the levels of key genes involved in nitrogen cycling.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalFrontiers in Microbiology·DateNov 25, 2024
Apple iPhone 17 Pro

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

User language distorts ChatGPT information on armed conflicts

A study found that ChatGPT provides higher fatality numbers when asked in Arabic compared to questions in Hebrew, highlighting the impact of user language on information dissemination. The researchers believe this has profound social implications, as it can shape perceptions of conflict and fuel biases.

SourceUniversity of Zurich·JournalJournal of Peace Research·TypeData/statistical analysis·DateNov 25, 2024

UW-led research links wildfire smoke exposure with increased dementia risk

A recent study led by the University of Washington found that higher long-term exposure to wildfire smoke is associated with a significant increase in the odds of developing dementia. The researchers analyzed health records of 1.2 million Southern California residents and found that exposure to wildfire PM2.5 increased the risk of deme...

SourceUniversity of Washington·JournalJAMA Neurology·TypeObservational study·DateNov 25, 2024

Expanding HPV vaccination to all adults aged 27-45 years unlikely to be cost-effective or efficient for HPV-related cancer prevention

A modeling study found that HPV vaccination programs for adults aged 27-45 years are more costly and less effective than vaccinating younger people. Vaccinating subgroups at higher risk of HPV infection may improve cost-effectiveness, but overall, it's unlikely to be efficient for cancer prevention.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateNov 25, 2024

Music by homegrown artists much less likely to feature in Australian Top 100 charts since arrival of digital streaming

A new study found that local and non-Anglo artist representation in Australian charts has declined since the rise of digital streaming. Indigenous music from Australia and New Zealand saw a significant decline in singles chart share, from 16.6% to 2.5%, while albums chart share also decreased.

SourceDe Gruyter·JournalInternational Journal of Music Business Research·TypeData/statistical analysis·DateNov 25, 2024

3D snapshots unveil the intricate dance of RNA folding

Scientists have captured 3D snapshots of individual RNA nanoparticles in motion, showcasing the dynamic and intricate folding process. This breakthrough uses advanced electron microscopy to study RNA's flexibility, enabling new insights into its structure and potential applications in molecular medicine.

SourceAarhus University·JournalNature Communications·TypeExperimental study·DateNov 25, 2024
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.

November/December Annals of Family Medicine Tip Sheet

This issue of Annals of Family Medicine highlights the complexity of war's effects on family doctors and patients. Research reveals the significant impact of trauma on healthcare professionals in Israel following a terrorist attack, highlighting burnout and well-being concerns. The article also shares challenges faced by physicians in ...

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateNov 25, 2024

Spin-powered crystals: A breakthrough in clean hydrogen production

Researchers have developed a game-changing catalyst using topological chiral crystals to manipulate electron spin, accelerating the water splitting process and improving hydrogen production efficiency. The breakthrough could make renewable energy technology more viable, bringing us closer to a clean energy future.

SourceMax Planck Institute for Chemical Physics of Solids·JournalNature Energy·TypeExperimental study·DateNov 25, 2024

Hot water best for sanitizing in-shell pecans, sanitizers prevent cross-contamination

In-shell pecans are susceptible to pathogens due to soil contact with wildlife and livestock. A recent study found that hot water treatment significantly reduced Shiga toxin-producing E. coli populations on pecans, regardless of treatment time, and prevented cross-contamination.

SourceUniversity of Arkansas System Division of Agriculture·JournalJournal of Food Protection·TypeExperimental study·DateNov 25, 2024
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.

Brigham researchers use fitness tracker data and machine learning to detect bipolar disorder mood swings

Researchers used fitness tracker data and machine learning to detect bipolar disorder mood swings with 80.1% accuracy for depression and 89.1% accuracy for mania. The study's findings move the field toward personalized algorithms suitable for all patients, regardless of compliance or device access.

SourceBrigham and Women's Hospital·JournalActa Psychiatrica Scandinavica·TypeObservational study·DateNov 25, 2024

Dopamine and serotonin work in opposition to shape learning

A recent study from Stanford University reveals that dopamine and serotonin work together, but also in opposition, to shape behavior. Researchers found that dopamine signals increase with reward prediction while serotonin signals decrease, but only when both systems are active can animals learn to link cues with rewards.

SourceStanford University·JournalNature·DateNov 25, 2024

Research team demonstrated nonlinear compton scattering with a multi-petawatt laser, mimicking astrophysical phenomena and producing ultra-bright gamma rays

A team of researchers successfully demonstrated nonlinear Compton scattering using a multi-petawatt laser, producing ultra-bright gamma rays. The achievement offers new insights into high-energy electron-photon interactions without traditional particle accelerators.

SourceInstitute for Basic Science·JournalNature Photonics·TypeExperimental study·DateNov 25, 2024
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.

Vaping causes immediate effects on vascular function

Researchers identified acute effects of cigarette and e-cigarette smoking on vascular function, including decreased blood flow velocity and venous oxygen saturation. The study found that vaping with and without nicotine led to significant changes in vascular function, highlighting the potential harm of vaping even without nicotine.

SourceRadiological Society of North America·DateNov 25, 2024

Prehistoric hunter-gatherers heard the elks painted on rocks talking

Researchers found that ancient rock painting sites by water generated strong echoes that could be heard by people approaching the site. The echoes allowed prehistoric hunter-gatherers to perceive their surroundings in a unique sensory environment. This discovery sheds light on the importance of sound reflections in past societies.

SourceUniversity of Helsinki·JournalSound Studies·DateNov 25, 2024

The next evolution of AI begins with ours

Researchers at Cold Spring Harbor Laboratory have devised a potential solution to the paradox of animal innate abilities using artificial intelligence. The genomic bottleneck algorithm allows for compression levels unseen in AI, enabling faster runtimes and potentially leading to more evolved AI systems.

SourceCold Spring Harbor Laboratory·JournalProceedings of the National Academy of Sciences·DateNov 25, 2024

Women who suffer pregnancy complications have fewer children

A new study published in JAMA found that women who experience severe maternal morbidity during their first pregnancy are less likely to have more children. The research, which studied over a million women in Sweden, revealed that such events can have a lasting impact on fertility.

SourceKarolinska Institutet·JournalJAMA·DateNov 25, 2024

Clinical trial finds that adding the chemotherapy pill temozolomide to radiation therapy improves survival in adult patients with a slow-growing type of brain tumor

A randomized phase 3 trial found that adding temozolomide to radiation therapy improves long-term survival for adult patients with low-grade gliomas. The 10-year survival rate was 70% with combined treatment, compared to 47% with radiation alone.

SourceECOG-ACRIN Cancer Research Group·JournalJournal of Neuro-Oncology·DateNov 25, 2024
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.

Researchers uncover potential new biomarker for psychosis diagnosis

Researchers at the University of Rochester Medical Center have discovered a potential biomarker for psychosis diagnosis by analyzing brain connectivity patterns. The 'somato-visual' biomarker shows promise in predicting psychosis onset and stratifying patients into clinically meaningful subgroups.

SourceUniversity of Rochester Medical Center·JournalMolecular Psychiatry·DateNov 25, 2024

Bats’ amazing plan B for when they can’t hear

Researchers discovered that bats can navigate through obstacles even with their critical auditory pathway temporarily blocked. The bats adapt by changing their flight path and vocalizations, suggesting an innate ability to launch a Plan B in times of diminished hearing.

SourceJohns Hopkins University·JournalCurrent Biology·DateNov 25, 2024

New AI tool generates realistic satellite images of future flooding

A new AI tool generates realistic satellite images of future flooding, which can help communities visualize and prepare for approaching storms. The method combines a generative artificial intelligence model with a physics-based flood model, producing more accurate and realistic images than an AI-only approach.

SourceMassachusetts Institute of Technology·JournalIEEE Transactions on Geoscience and Remote Sensing·DateNov 25, 2024

Phages, towards a targeted alternative to antibiotics

Researchers developed an artificial intelligence model that selects the best phage cocktail for a given patient based on their genome. The model was tested on a new collection of E. coli strains responsible for pneumonia and showed high success rates.

SourceInstitut Pasteur·JournalNature Microbiology·TypeExperimental study·DateNov 25, 2024
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 imaging study finds evidence that emotion regulation is not always the most effective strategy to mitigate suicidal ideation

Researchers found that individuals with depression who engage in reflexive emotion regulation experience increased suicidal thoughts during daily stressful events. In contrast, adaptive responses to stress were observed when participants used reappraisal strategy.

SourceElsevier·JournalBiological Psychiatry Cognitive Neuroscience and Neuroimaging·TypeImaging analysis·DateNov 25, 2024

Why the powerful are more likely to cheat

A new study finds that those who feel powerful in their relationships are less dependent on others, think more highly of themselves, and are more confident that they are desirable. This can lead to a higher interest in alternative partners and a greater willingness to engage in infidelity.

SourceUniversity of Rochester·JournalArchives of Sexual Behavior·TypeExperimental study·DateNov 25, 2024

Inceptor regulates insulin homeostasis: A new approach for diabetes therapies

Researchers discovered Inceptor's role in regulating insulin homeostasis and its potential to improve beta cell function. By blocking Inceptor, the receptor can refill beta cells' insulin stores and enhance insulin release.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalNature Metabolism·DateNov 25, 2024
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.

Alzheimer's: A new strategy to prevent neurodegeneration

A new study identified inhibiting the brain enzyme S-acyltransferase (zDHHC) through a nasal-spray drug as a potential treatment for Alzheimer's. The approach successfully counteracted cognitive decline and brain damage in animal models, including genetically modified mice.

SourceUniversita Cattolica del Sacro Cuore·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 25, 2024

Political opinions influence our choice of chocolate

Research at Linköping University shows that people distance themselves from neutral products if they are liked by those with opposing political views. This phenomenon affects choices even when irrelevant to politics. The studies also found that people unconsciously behave this way to maintain a consistent self-image.

SourceLinköping University·JournalPersonality and Social Psychology Bulletin·TypeSurvey·DateNov 25, 2024

Using sunlight to recycle black plastics

Researchers have developed a method to convert black polystyrene waste into reusable starting materials using sunlight or white LEDs. The technique involves adding carbon black and exposing the mixture to high-intensity light, resulting in efficient breakdown of polymer bonds.

SourceAmerican Chemical Society·JournalACS Central Science·DateNov 25, 2024

Protecting nature can safeguard cities from floods

A new UBC-led study reveals that preserving key natural ecosystems across Canada can significantly reduce rainwater runoff and protect homes and livelihoods. The research identifies 201,000 square kilometres of watersheds as critical for flood prevention, supporting wildlife while reducing reliance on costly infrastructure.

SourceUniversity of British Columbia·JournalEcosystem Services·TypeData/statistical analysis·DateNov 25, 2024

Breakthrough in scalable production of high-quality organoids

Researchers developed a platform to produce mature, uniform organoids using a three-dimensional engineered membrane. This breakthrough enables consistent quality and improved efficiency for practical applications in clinical trials and drug development.

SourcePohang University of Science & Technology (POSTECH)·JournalNature Communications·DateNov 25, 2024
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.

The amborella genome: A window into the origins of plant sex and reproduction

A groundbreaking study has revealed insights into the evolution of flowering plants and their reproductive strategies. The Amborella trichopoda genome provides valuable information on the genetic underpinnings of plant diversity, shedding light on the mechanisms that determine plant sex.

SourceHudsonAlpha Institute for Biotechnology·JournalNature Plants·TypeData/statistical analysis·DateNov 25, 2024

Algorithms can keep drowsy motorists alert and help them avert road accidents, scientists say

Researchers have developed an algorithm-based scheme to help drivers avert drowsiness, which contributes to thousands of fatal incidents and injuries every year. The system uses EEG signal detection and machine learning algorithms to achieve high accuracy and reduce training time.

SourceUniversity of Sharjah·JournalBiomedical Signal Processing and Control·TypeComputational simulation/modeling·DateNov 25, 2024

Single-visit first-trimester care with point-of-care ultrasound cuts emergency visits by 81% for non-miscarrying patients

A new approach to first trimester obstetrical care combining point-of-care ultrasound and immediate multidisciplinary care has reduced emergency visits by 81%. This integration allows for timely diagnosis of abnormal pregnancies, improved education and support for all patients, including those experiencing miscarriage.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateNov 25, 2024

COVID-19 vaccine reactogenicity among young children

The study found that irritability was the most common systemic reaction in children under 2 years, followed by fever and fatigue or sleepiness. Maternal vaccination is thought to be a factor in the higher prevalence of reactions after the first dose.

SourceJAMA Network·JournalJAMA Network Open·DateNov 25, 2024
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.

Maintaining bridge safer; Digital sensing-based monitoring system

A digital sensing-based monitoring system was developed to maintain small- and medium-sized aging bridges in Vietnam, improving accuracy and user-friendliness. The system achieved an accuracy of over 95% in measuring vertical displacement and actual deflection results.

SourceNational Research Council of Science & Technology·DateNov 25, 2024

Hidden pocket in human bitter taste receptor discovered

A new study has revealed a hidden pocket inside the TAS2R14 bitter taste receptor, which can recognize and respond to a wide variety of compounds. This discovery could lead to new ways of designing medications that target these receptors, potentially helping to treat conditions like asthma and inflammation.

SourceThe Hebrew University of Jerusalem·JournalNature Communications·TypeExperimental study·DateNov 25, 2024

Building a better path to recovery for OUD

A new study led by Thomas Jefferson University researchers highlights critical healthcare gaps that hinder long-term recovery for people living with OUD in Philadelphia. The study identifies challenges such as lengthy and restrictive assessment processes, inadequate operating hours, and lack of sufficient withdrawal management as barri...

SourceThomas Jefferson University·JournalJournal of Substance Use and Addiction Treatment·DateNov 25, 2024

Herodotus' theory on Armenian origins debunked by first whole-genome study

A new whole-genome study challenges the long-held belief that Armenians are descendants of Phrygian settlers from the Balkans. Instead, researchers found a genetic input into the region from Neolithic Levantine farmers, suggesting a large-scale post-Early Bronze Age migration wave across the Middle East.

SourceTrinity College Dublin·JournalAmerican Journal of Human Genetics·DateNov 25, 2024

Revolutionary bioengineering research may transform type 1 diabetes care, pave way for tackling cancer and autoimmune disease

Researchers at Medical University of South Carolina and University of Florida developed a novel approach to treat type 1 diabetes using tagged beta cell transplant with localized immune protection. The study, published in Cell Reports, shows promise for creating an off-the-shelf solution for T1D treatment.

SourceMedical University of South Carolina·JournalCell Reports·DateNov 25, 2024
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.

Language used by mothers affects oxytocin levels of infants

A new study by UCL researchers found that mothers who regularly describe their child's thoughts and feelings have higher oxytocin levels in infants. The hormone oxytocin plays a crucial role in social relationships and bonding between parents and children.

SourceUniversity College London·JournalDevelopment and Psychopathology·DateNov 25, 2024

Impact of climate change on water resources will increase price tag to decarbonize the grid

A new study warns that climate change's impact on water resources will significantly increase the cost of achieving zero-emission grids by 2050. The required investments in generation and transmission infrastructure are expected to be massive, with up to 139 gigawatts of power capacity needed in the Western United States.

SourceUniversity of California - San Diego·JournalNature Communications·TypeComputational simulation/modeling·DateNov 25, 2024

A new clock to structure sleep

Researchers identified a novel role for the locus coeruleus in facilitating transition between NREM and REM sleep states while maintaining unconscious vigilance. Stress disrupts its functions, negatively impacting sleep quality. The study provides crucial insights into sleep disorders and could lead to improved treatments.

SourceUniversity of Lausanne·JournalNature Neuroscience·TypeExperimental study·DateNov 25, 2024

Chromosomal chaos promotes therapy resistance in leukemia cells and opens up new treatment approaches

Researchers analyzed chromosomal chaos in leukemia cells and found that genetic and non-genetic factors drive functional heterogeneity. They identified therapeutic targets and alternatives for resistant subclones, providing a model for early identification of leukemia stem cells.

SourceGerman Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ)·JournalNature Genetics·DateNov 25, 2024

Improving our appearance makes us better contributors to society

A Tel Aviv University study finds that individuals who enhance their appearance are more likely to exhibit prosocial behavior, including donating to charity. The research suggests that feeling attractive can motivate people to engage in good deeds, with a significant impact on social consciousness.

SourceTel-Aviv University·JournalInternational Journal of Research in Marketing·DateNov 25, 2024
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Home testing kits and coordinated outreach substantially improve colorectal cancer screening rates

A new study shows that mailing at-home fecal immunochemical testing kits and providing coordinated follow-up led to a tripling of screening completion rates compared to usual care. The intervention increased screening rates by 30% within six months and 34.6% by 12 months.

SourceUniversity of North Carolina Health Care·JournalJAMA Network Open·TypeRandomized controlled/clinical trial·DateNov 25, 2024

Squeeze it!

Researchers at European XFEL and DESY develop self-chirping method to produce high-power attosecond hard X-ray pulses without reducing electron bunch charge. This enables non-destructive measurements at the atomic level and opens new avenues for studying matter at the atomic scale.

SourceDeutsches Elektronen-Synchrotron DESY·JournalNature Photonics·TypeExperimental study·DateNov 25, 2024

Study finds genetic mechanisms behind high-yield apple trees

A study has identified a gene called MdTCP11 that controls the growth of compact apple trees, also known as spur-type varieties. These trees exhibit increased fruit yield and require less pruning, making them ideal for modern orchards.

SourceBoyce Thompson Institute·JournalNature Communications·TypeExperimental study·DateNov 25, 2024
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.

Social networked friendship quality can be means of combating loneliness

A new study suggests that high-quality friendships formed through social networking can contribute to improved self-esteem, leading to reduced levels of loneliness. The research found that young adults who felt connected with others on social media experienced increased self-esteem, which in turn reduced feelings of loneliness.

SourceUniversity of Arkansas·JournalTelematics and Informatics·TypeSurvey·DateNov 25, 2024

Study finds suburban school districts diversified in 20 years, but urban districts saw more racial isolation

Research from the University of Kansas found that suburban school districts are becoming more diverse, while urban districts are experiencing increased racial isolation. This study analyzed census data and geographic mapping technology to compare demographic changes in schools across the country.

SourceUniversity of Kansas·JournalAERA Open·TypeData/statistical analysis·DateNov 25, 2024

Managing forests with smart technologies

Researchers in Lithuania have developed Forest 4.0, a smart forest data processing model that enables real-time monitoring of forest conditions, sustainable resource accounting, and transparent governance. The system uses IoT sensors and AI algorithms to detect tree diseases, illegal logging, and predict changes in forest ecosystems.

SourceKaunas University of Technology·JournalFrontiers in Forests and Global Change·DateNov 25, 2024
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.