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Science News Archive March 2024 - Page 14


Page 14 of 42

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.

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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