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Science News Archive March 2024 - Page 14


Page 14 of 42

Revealed: A gene underlying visual mating behaviors in Heliconius butterflies

Researchers discover a single gene, regucalcin1, that influences visual preference for red wing patterns in Heliconius butterflies. The study reveals how genetic variation affects mate choice and highlights the importance of CRISPR/Cas9 technology in understanding evolutionary mechanisms.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMar 21, 2024

The power of neighbors: Neighboring synapses shape learning and memory

Researchers developed a new model that highlights the crucial role of interactions among neighboring contact sites of nerve cells for brain plasticity. Synaptic plasticity, the brain's method for learning, is shaped by the strength and stability of neuronal connections, which are influenced by both excitatory and inhibitory synapses.

SourceUniversity of Basel·JournalNature Neuroscience·DateMar 21, 2024

If faces look like demons, you could have this extraordinary condition

A new Dartmouth study reports on a unique case of prosopometamorphopsia (PMO), a rare condition that distorts facial features. The researchers used computer software to visualize the patient's real-time perception of face distortions, providing accurate and photorealistic visualizations for the first time.

SourceDartmouth College·JournalThe Lancet·TypeObservational study·DateMar 21, 2024
Apple iPhone 17 Pro

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

Revolutionizing hydrogen production: Economical and efficient solutions unveiled

Researchers from Pohang University of Science & Technology developed an economical and efficient water electrolysis catalyst using oblique angle deposition method and nickel. The catalyst resulted in a remarkable 55-fold improvement in hydrogen production efficiency compared to traditional thin film structures.

SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Materials·DateMar 21, 2024

Species diversity promotes ecosystem stability

A new study suggests that species diversity promotes ecosystem stability, contradicting contemporary ecological theory. The research found that sublinear growth and competitive coexistence are key factors in maintaining community interactions.

SourceMcGill University·JournalScience·TypeMeta-analysis·DateMar 21, 2024

Breast cancer patients can safely avoid extensive removal of lymph nodes if they respond well to primary systemic treatment

A new study suggests that tailored treatment can predict the response of breast cancer patients to chemotherapy, allowing for safe omission of extensive lymph node removal. The MARI protocol showed a 95% overall survival rate and 89% disease-free survival rate in patients who achieved pathological complete response.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeObservational study·DateMar 21, 2024

A swarm to save the day

Researchers propose using coordinated multi-swarm drones to quell forest fires, leveraging AI-enabled fire detection and autonomous decision-making. The approach could lead to more efficient fire suppression and reduced response times.

SourceIndian Institute of Science (IISc)·JournalIEEE Transactions on Systems Man and Cybernetics Systems·DateMar 21, 2024
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.

Two keys needed to crack three locks for better engineered blood vessels

Researchers have found two proteins, SOX17 and FGF2, that can efficiently mature stem cells into endothelial cells, forming tubular-like vessels. This breakthrough could enable the growth of lab-grown vascular tissue to support heart transplants and develop artificial blood brain barriers for neurological drug testing.

SourcePenn State·JournalStem Cell Reports·TypeExperimental study·DateMar 21, 2024

Progress in the diagnosis of systemic diseases based on ophthalmic imaging artificial intelligence technology

Researchers explore ophthalmic image-based AI for diagnosing systemic diseases, leveraging the eye's unique characteristics to assess overall health. The article discusses two primary modes of ocular image analysis and highlights the potential of emerging AI technologies like blockchain and large language models.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm – Future Medicine·TypeSystematic review·DateMar 21, 2024

How to make the right impression online

A literature review of 124 studies on virtual impressions offers research-based suggestions on how to make a digital best foot forward. Researchers found that timely responses matter and using emoticons and emojis can increase feelings of warmth and likeability but risk making others seem less intelligent.

SourceUniversity of Texas at Austin·JournalJournal of Management·TypeLiterature review·DateMar 21, 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.

Harnessing computational intelligence for 3D modeling of maize canopies

The study integrates Computational Intelligence (CI) into 3D plant canopy modeling to capture detailed morphological data. It demonstrates the method's ability to simulate effects of planting density on canopy structure, including shading and adjustments in leaf angles.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateMar 21, 2024

How the brain senses body position and movement

Researchers discovered that brains prioritize integrating muscle spindle input to understand body movement and position. Task-driven neural network models were found to be most effective in predicting limb position and velocity.

SourceEcole Polytechnique Fédérale de Lausanne·JournalCell·DateMar 21, 2024

International graduate and postdoctoral trainees in biomedicine are struggling with career confidence, study says

A new study found that international and female trainees reported lower career-self-efficacy across the national sample. The study highlights how immigration status intersects with individuals' perceptions of their own capabilities, influencing their career trajectories and opportunities for advancement.

SourceUniversity of North Carolina Health Care·JournalPLOS ONE·DateMar 21, 2024

Research reveals link between menstrual cycles, emotions, and sleep patterns in women

Women experience disruptions in sleep patterns and heightened feelings of anger before their period, with reduced sleep efficiency and increased emotional distress. The study highlights the importance of considering hormonal fluctuations when addressing sleep disorders and emotional distress in women.

SourceUniversity of East Anglia·JournalJournal of Sleep Research·TypeObservational study·DateMar 21, 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.

Special AJPH publication explores the urgency of public mental health

The American Journal of Public Health supplement explores the intersection of mental health and societal well-being, highlighting systemic issues that perpetuate disparities. Key articles call for innovative solutions prioritizing community-level interventions and policy changes.

SourceAmerican Public Health Association·JournalAmerican Journal of Public Health·DateMar 21, 2024

A new way to quantify climate change impacts: “Outdoor days”

A new measure called “outdoor days” describes the number of days per year that outdoor temperatures are neither too hot nor too cold for people to go about normal outdoor activities. This measure reveals significant global disparities, with the North gaining more outdoor days and the South losing them due to rising temperatures.

SourceMassachusetts Institute of Technology·JournalJournal of Climate·DateMar 21, 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.

New vaccine against a highly fatal tropical disease – and potential bioterror weapon – demonstrates efficacy in animal studies

A new vaccine developed by UCLA researchers demonstrates high protection against melioidosis, a tropical disease that causes 89,000 fatalities annually. The vaccine was tested in mice and found effective even against a highly lethal strain of the bacteria.

SourceUniversity of California - Los Angeles Health Sciences·JournalmBio·TypeExperimental study·DateMar 21, 2024

Longer genes are linked to aging

Four studies conclude that longer genes are most susceptible to aging due to increased potential sites for DNA damage. Long genes have more sites for damage, making them prone to degradation with age, contributing to conditions like Alzheimer's disease.

SourceNorthwestern University·TypeExperimental study·DateMar 21, 2024

Occurrence of antibiotic resistance genes in the western Qinghai Lake basin

The study investigates microbial community and antibiotic resistance genes (ARGs) in the western Qinghai Lake basin. ARGs were found to be significantly lower than in strong anthropogenic activity areas, but a correlation with I1 was observed, indicating potential rapid proliferation.

SourceKeAi Communications Co., Ltd.·JournalWater Biology and Security·DateMar 21, 2024

Best way to bust deepfakes? Use AI to find real signs of life, say Klick Labs scientists

Researchers at Klick Labs developed an algorithm to detect deepfakes with 80% accuracy by analyzing speech pause patterns, offering a solution to the growing problem of AI-generated content. The study's findings suggest that vocal biomarkers can distinguish between real and fake voices, providing a novel approach to flagging deepfakes.

SourceKlick Applied Sciences·JournalJMIR Biomedical Engineering·TypeData/statistical analysis·DateMar 21, 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.

Immune cells identified as key players in brain health

Researchers at Mount Sinai School of Medicine have identified macrophages as crucial in clearing lipid-rich waste from the brain. By studying genes controlling these immune cells, they discovered that two specific genes BHLHE40 and BHLHE41 regulate their activity.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNature Communications·TypeExperimental study·DateMar 21, 2024

New method for analyzing nanoporous materials

Researchers at TU Graz developed a new method to analyze nanoporous materials using single electron microscope images. The technique determines the three-dimensional distribution of ions in crystal channels or nanopores, leading to a better understanding of aquamarine's blue color and potential applications in material science.

SourceGraz University of Technology·JournalCommunications Materials·TypeImaging analysis·DateMar 21, 2024

Estimating coastal water depth from space via satellite-derived bathymetry

Researchers developed a novel machine learning-based depth estimation technique for satellite-derived bathymetry, improving accuracy in coastal regions with unique characteristics. The model demonstrated generalizability and potential for enhancements through incorporation of additional seabed spatial data.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Applied Remote Sensing·TypeObservational study·DateMar 21, 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.

Limitations and strategies towards high-performance red phosphorus materials for Li/Na-Ion batteries

The development of cost-effective and high-performance RP anode materials is crucial for LIBs/SIBs. Poor electrical conductivity and significant volume changes in RP compromise its cycling stability, leading to substantial electrode polarization and reaction kinetics issues.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeSystematic review·DateMar 21, 2024

Use of branched chain amino acids to treat concussion

A new study found significant reductions in total symptom score and faster return to physical activity among concussed adolescents and young adults treated with branched chain amino acid supplementation. The study's findings provide important preliminary data for a larger trial of BCAA therapy.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Neurotrauma·TypeRandomized controlled/clinical trial·DateMar 21, 2024

Revolutionizing plant health diagnostics: The dawn of microfluidic devices for rapid miRNA detection

A novel microfluidic device system has been developed for rapid miRNA detection, enabling early diagnosis of plant stress. The device detected artificially synthesized miR399c and endogenous miRNAs in tomatoes under phosphorus-deficient conditions, demonstrating its potential for point-of-care diagnostics.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateMar 21, 2024

Novel approach yields better single-copy artificial human chromosomes

Scientists have overcome multimerization issues by constructing single-copy artificial human chromosomes (HACs) in budding yeast and transferring them into human cells. The newly formed HACs maintain as single-copy molecules, enabling larger DNA structures, potentially advancing genome editing in humans and other organisms.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMar 21, 2024
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Scientists develop catalyst designed to make ammonia production more sustainable

Researchers at a FAPESP-supported research center have developed an electrochemical nitrogen reduction process using iron oxide and molybdenum disulfide catalysts. This method eliminates the need for high temperatures and pressures, reducing power consumption and greenhouse gas emissions.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalElectrochimica Acta·DateMar 21, 2024

Astronomers find evidence that blue supergiant stars can be formed by the merger of two stars

A team of astrophysicists simulated models of stellar mergers and analyzed 59 early B-type blue supergiants in the Large Magellanic Cloud. The study found that mergers can reproduce the surface composition of a large fraction of the sample, suggesting they may be the dominant channel to produce blue supergiants.

SourceInstituto de Astrofísica de Canarias (IAC)·JournalThe Astrophysical Journal Letters·DateMar 21, 2024

Rose essential oil: A safe pesticide for organic agriculture

Researchers from Tokyo University of Science found that rose essential oil increases the transcript levels of PIR1 and PIN2, key plant defense genes, in tomato plants. The study also showed that REO reduces leaf damage caused by pests and attracts beneficial predators to protect against herbivores.

SourceTokyo University of Science·JournalJournal of Agricultural and Food Chemistry·TypeExperimental study·DateMar 21, 2024

Forest, stream habitats keep energy exchanges in balance, global team finds

A recent study found that aquatic and terrestrial organisms consume the same amount of energy from opposing ecosystems. The research analyzed data from 149 studies worldwide and discovered nearly twice as much allochthony in arid climates compared to tropical ones for aquatic invertebrates.

SourcePenn State·JournalEcology Letters·TypeMeta-analysis·DateMar 21, 2024
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Pixelated non-volatile programmable photonic integrated circuits

The researchers achieved 20-level intermediate states of phase change materials using a micron-scale laser writing system. This allows for the demonstration of ultra-high flexibility in phase modulation and potential applications in neuromorphic photonics, optical computing, and reconfigurable metasurfaces.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateMar 21, 2024

World's first high-resolution brain developed by 3D printer

A team of researchers has developed the world's first 3D-printed brain phantom, which can be imaged using dMRI. The brain model is made up of microchannels that mimic nerve cells in the brain, allowing for more accurate analysis and research into neurodegenerative diseases.

SourceMedical University of Vienna·JournalAdvanced Materials Technologies·DateMar 21, 2024

High speed protein movies to aid drug design

Researchers at the University of Southampton have developed a method for fast mixing using droplet microfluidics, allowing for the creation of 'movies' of proteins in action. This enables scientists to observe proteins in motion and gain insights into their function.

SourceUniversity of Southampton·JournalIUCrJ·TypeExperimental study·DateMar 21, 2024

Non-culturable Legionella identified with sequencing

Researchers have developed a cost-effective approach for identifying L. pneumophila using whole genome sequencing, which can analyze available specimens without culturing. This method has already been used to identify the source of deadly Legionnaires' disease outbreaks, including a 2015 outbreak in New York City.

SourceAmerican Society for Microbiology·JournalJournal of Clinical Microbiology·DateMar 21, 2024

International research team achieves first-reported, complete vascularization of organoids on microfluidic chip

An international research team achieved complete vascularization of organoids on a microfluidic chip, improving growth and physiological functions. The breakthrough enables production scaling and paves the way for personalized medicine, regenerative medicine, and pharmacological research.

SourceCEA - French Atomic Energy and Alternative Energies Commission·JournalNature Communications·TypeExperimental study·DateMar 21, 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.

Climate change disrupts vital ecosystems in the Alps

Scientists have found that climate change is altering the timing of plant and soil processes in the Alps, leading to disruptions in nutrient cycling and potentially threatening biodiversity. The high mountains are warming at a faster rate than surrounding areas, resulting in reduced snow cover and changes in vegetation patterns.

SourceUniversity of Manchester·JournalGlobal Change Biology·DateMar 21, 2024

AI decodes whole-cortex functional images to predict behavioral states

Researchers from Kobe University developed an AI image recognition algorithm that can predict mouse behavior based on brain functional imaging data, achieving 95% accuracy. The model identified critical cortical regions for behavioral classification and demonstrated near real-time speeds.

SourceKobe University·JournalPLOS Computational Biology·TypeExperimental study·DateMar 21, 2024

Illinois study: Systematic review of agricultural injuries can help inform safety measures

Agricultural occupations have one of the highest rates of workplace injuries and fatalities in the U.S. Two studies from the University of Illinois found that vehicles and machinery are the leading causes of injuries, with men being twice as likely to be victims. Understanding the nature and source of injuries is crucial for developing...

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Agromedicine·TypeLiterature review·DateMar 21, 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.

Artificial intelligence helps explore chemistry frontiers

A team of researchers has developed a machine learning interatomic potential that predicts molecular energies and forces acting on atoms, reducing computational time and expense. This breakthrough enables scientists to study complex chemistry systems with greater accuracy and speed.

SourceDOE/Los Alamos National Laboratory·JournalNature Chemistry·TypeComputational simulation/modeling·DateMar 21, 2024

Study: Pill makes patients with life-threatening muscle weakness stronger

Researchers discovered a new treatment that strengthens muscles in patients with Myasthenia Gravis, an autoimmune disease leading to severe weakness and fatigue. The breakthrough, targeting the connection between nerves and muscle cells, shows promising results without significant side effects.

SourceAarhus University·JournalScience Translational Medicine·TypeRandomized controlled/clinical trial·DateMar 21, 2024
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.

Researchers identify novel genetic variants associated with Alzheimer’s disease

A new study has identified 17 significant genetic variants linked to Alzheimer's disease in five genomic regions. The findings highlight the value of whole genome sequencing data in gaining long-sought insight into the ultimate causes and risk factors for Alzheimer's, which is the fifth leading cause of death among people 65 and older.

SourceBoston University School of Public Health·JournalAlzheimer s & Dementia·TypeData/statistical analysis·DateMar 21, 2024

Morality among low-risk differentiated thyroid cancer survivors in the U.S.

A new study published in Thyroid found that individuals with low-risk differentiated thyroid cancer (DTC) in the US experience lower mortality rates compared to the general population. The most common causes of death were malignancies and cardiovascular disease.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalThyroid·TypeObservational study·DateMar 21, 2024

AI-based app can help physicians find skin melanoma

A mobile app using AI analyzes images of suspected skin lesions and provides guidance on whether they are melanoma or not. The app was tested in primary care and showed promising results, accurately diagnosing melanoma in all cases and determining harmless lesions with a high probability.

SourceLinköping University·JournalBritish Journal of Dermatology·DateMar 20, 2024

Electroacupuncture with different parameters regulate the endogenous opioid peptide system

A new study published in the World Journal of Acupuncture - Moxibustion reveals that electroacupuncture has a frequency-response specificity in regulating the endogenous opioid peptide system. The low frequency stimulates enkephalin, β-endorphin, and endomorphin release, while high frequency activates dynorphin selectively.

SourceKeAi Communications Co., Ltd.·JournalWorld Journal of Acupuncture - Moxibustion·TypeLiterature review·DateMar 20, 2024

Cross-species insights: study finds calcium link in plant and animal immunity

A new study has identified a crucial role for plant MLKL proteins in regulating cytoplasmic calcium ion concentration, which is responsible for innate immune responses. The research found that activated plant MLKLs maintain higher calcium levels, activating downstream immune machinery and conferring disease resistance.

SourceUniversity of Cologne·JournalCell Host & Microbe·TypeExperimental study·DateMar 20, 2024
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.

Experimental gene therapy for giant axonal neuropathy shows promise in NIH clinical trial

A clinical trial at NIH demonstrated that experimental gene therapy slowed loss of motor function in patients with giant axonal neuropathy, a fatal childhood disease. The treatment also showed signs of regeneration in sensory nerves, offering new hope for those affected.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateMar 20, 2024