Add BrightSurf on Google Email

Science News Archive 2021 - Page 114


Page 114 of 510

Hagfishes break the cell size limit to make large slime threads

Researchers found that large hagfishes grow extremely large cells to produce stronger slime threads used in defensive attacks. The thread cells are highly dependent on body size and show a scaling factor of 0.55, much larger than other vertebrates.

SourceChapman University·JournalCurrent Biology·TypeObservational study·DateSep 30, 2021

Novel approach to 3D image segmentation delivers ‘jaw-dropping’ demonstration

Researchers developed a novel approach to 3D image segmentation, segmenting the gaps between parts instead of contours, to automate tedious tasks. The technique demonstrates promising results in diagnosing TMJ-related issues and has potential applications in other fields.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalScientific Reports·TypeImaging analysis·DateSep 30, 2021

New drug combination effective against SARS-CoV-2 infection

Researchers at NTNU have developed a promising new drug combination that effectively suppresses SARS-CoV-2 infection by targeting the TMPRSS2 factor. The combination of nafamostat and Pegasys (IFNα) shows great potential in treating COVID-19, with low doses needed for clinical advantages.

SourceNorwegian University of Science and Technology·JournalViruses·TypeExperimental study·DateSep 30, 2021
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.

Review concludes managing weight and preventing obesity in people with type 1 diabetes is a difficult but not impossible balance

A new review concludes that people with type 1 diabetes can manage their weight, but more research is needed to understand the specific needs of this patient group. The review explores strategies such as nutrition education, adjunct therapies like metformin and GLP-1 receptor agonists, and obesity surgery.

SourceDiabetologia·JournalThe Lancet Diabetes & Endocrinology·DateSep 30, 2021

Defence system protects African salmonella from attack by viruses

Researchers have identified a new prophage-mediated defence system in Salmonella Typhimurium ST313 called BstA, which efficiently suppresses phage attacks. This discovery opens up a new avenue of research and could potentially lead to the development of new biotechnologies.

SourceUniversity of Liverpool·JournalCell Host & Microbe·TypeExperimental study·DateSep 30, 2021
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Primordial ‘hyper-eye’ discovered

A team of researchers has found a 390-million-year-old hyper-facet eye system in trilobites that is unique to the animal kingdom. The discovery suggests that this ancient eye may have been an adaptation for life in low light conditions, and could provide insights into the evolution of visual systems.

SourceUniversity of Cologne·JournalScientific Reports·TypeObservational study·DateSep 30, 2021

Expert report indicates neural harm of marine parks on cetacean brains

A new report published in De Gruyter exposes the neural impact of marine parks and other impoverished environments on cetaceans. The authors conclude that these environments cause significant neurobiological harm, leading to abnormal behavior such as repetitive swimming patterns and social isolation.

SourcePeople for the Ethical Treatment of Animals (PETA)·JournalReviews in the Neurosciences·TypeSystematic review·DateSep 30, 2021

HKU theoretical chemists develop a breakthrough quantum chemistry technique for illuminating new opportunities towards computational design and optimisation of organic photofunctional materials

The University of Hong Kong researchers have developed a novel quantum chemistry technique to reveal complex electron and energy transfer pathways in photophysical processes. The study reveals that strong electron-electron correlations and electron-vibration couplings govern the efficient singlet fission process in organic materials.

SourceThe University of Hong Kong·JournalChemical Science·DateSep 30, 2021

More effective treatment of Alzheimer’s

Researchers at Uppsala University have designed new antibodies that bind to both large and small aggregates of the amyloid-beta protein, potentially providing a more effective treatment for Alzheimer's disease. The new antibody format is stronger in binding to clumps and can also target smaller aggregates.

SourceUppsala University·JournalTranslational Neurodegeneration·TypeExperimental study·DateSep 30, 2021
Apple iPhone 17 Pro

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

Associations between historically redlined districts, current obstetric outcomes

Researchers analyzed a nine-county birth certificate database in New York state from 2005 to 2018, finding associations between redlined areas and increased risks of preterm birth, low birth weight, and maternal mortality. The study's findings highlight the ongoing impact of historical racism on current health disparities.

SourceJAMA Network·JournalJAMA Network Open·DateSep 30, 2021

A kagome lattice superconductor reveals a “cascade” of quantum electron states

Boston College physicists uncover novel charge density waves and symmetry-broken phases in the topological kagome metal CsV3Sb5, leading to superconductivity at low temperatures. The study reveals a 'cascade' of correlated electron states driving electrical conduction and potential implications for unconventional electron pairing.

SourceBoston College·JournalNature·TypeExperimental study·DateSep 30, 2021

Beam diagnostics for future laser wakefield accelerators

A team at HZB and PTB developed a method to measure the lateral expansion of the electron beam in laser plasma accelerators, achieving resolutions in the micrometre range. This technique uses coherent radiation of electron pulses via interference patterns to determine the beam cross-section.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalCommunications Physics·TypeExperimental study·DateSep 30, 2021
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.

Fungal transplants from close relatives help endangered plants fight off disease

Researchers found that complex mixtures of microbes isolated from closely related plant species increased the resistance of endangered Hawaiian plant Eugenia koolauensis to myrtle rust. This microbial treatment may be an important tool for combating disease-driven declines of endangered plants.

SourceAmerican Phytopathological Society·JournalPhytobiomes Journal·TypeExperimental study·DateSep 30, 2021

New research shows learning is more effective when active

Research at Carnegie Mellon University shows active learning methods using interactive activities, discussions, feedback, and AI enhance academic performance compared to traditional lectures. Effective methods also provide emotional and social support for students.

SourceCarnegie Mellon University·JournalScience·DateSep 30, 2021

Dynamic pregnancy intentions

Researchers found that economic stability, relationship status, and educational status can lead to shifts in pregnancy intentions, with 22% of participants changing their mind within a year. The study aims to provide insight for healthcare providers to check in frequently about patients' desires.

SourceUniversity of Utah·JournalPLOS ONE·TypeData/statistical analysis·DateSep 30, 2021

Smartphone sensors are capable of detecting cannabis high and have the potential to provide early intervention

Researchers led by Stevens Institute of Technology's Sang Won Bae developed a machine-learning model using smartphone data to detect cannabis intoxication in young adults. The study combined features such as GPS, noise, light, and activity levels to predict intoxication with high accuracy. This technology has the potential to provide e...

SourceStevens Institute of Technology·JournalDrug and Alcohol Dependence·TypeData/statistical analysis·DateSep 30, 2021
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 nanoparticle developed for intravenous cancer immunotherapy

Researchers at the University of Michigan developed a new nanoparticle system called CMP that significantly increases cellular uptake and triggers robust STING activation, turning 'cold' tumors into 'hot' tumors. This breakthrough could lead to improved cancer immunotherapy treatments.

SourceUniversity of Michigan·JournalNature Nanotechnology·DateSep 30, 2021

New research from Children’s Hospital Colorado shows dual therapy upon diagnosis of MIS-C improves cardiac outcomes

A recent study found that pediatric patients with Multisystem Inflammatory Syndrome (MIS-C) who received initial IVIG plus Infliximab had improved cardiac outcomes, reduced need for additional therapies, and faster resolution of inflammation. The updated care pathway recommends this intensified therapy for all MIS-C patients.

SourceChildren's Hospital Colorado·JournalPEDIATRICS·TypeObservational study·DateSep 30, 2021

Lipid metabolism in liver cells confers protection from viral infection

A new study reveals that high levels of polyunsaturated fatty acids in liver cells are associated with resistance to hepatitis C virus infection. Lipid peroxidation occurs on PUFA-enriched membranes where viral replication machinery is anchored, ultimately shutting off its ability to replicate the viral genome.

SourceTokyo Metropolitan Institute of Medical Science·JournalCell Chemical Biology·DateSep 30, 2021
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 report shows accelerated adaptation can substantially reduce Egypt’s food production losses from climate change

A new report by International Food Policy Research Institute (IFPRI) suggests that accelerated adaptation can substantially reduce Egypt’s food production losses from climate change. Climate change-induced biophysical crop stress could lead to a 10% reduction in food crop yields by 2050, but investing in agricultural research and devel...

SourceInternational Food Policy Research Institute·TypeComputational simulation/modeling·DateSep 30, 2021

AMD: Reading ability crucial indicator of functional loss

Researchers from the University of Bonn have found that reading ability is a crucial indicator of functional loss in people with geographic atrophy, a late form of age-related macular degeneration. Reading speed and performance are essential for measuring everyday functional impairment.

SourceUniversity of Bonn·JournalJAMA Ophthalmology·TypeExperimental study·DateSep 30, 2021

Getting beyond small talk: Study finds people enjoy deep conversations with strangers

Research published by the American Psychological Association found that people benefit from deep and meaningful conversations, but often stick to small talk due to misconceptions about others' interests. Deep conversations were more enjoyable and led to greater feelings of connection than expected.

SourceAmerican Psychological Association·JournalJournal of Personality and Social Psychology·DateSep 30, 2021

‘Planet confusion’ could slow Earth-like exoplanet exploration

Researchers warn that future exoplanet direct-imaging missions need to make multiple observations to differentiate between planets. In 36% of solar systems, an Earth-like planet can be misidentified with a Mercury-like planet, and in 72% of cases, it could be mistaken for a Venus-like planet.

SourceCornell University·JournalThe Astrophysical Journal Letters·DateSep 30, 2021
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.

HSE researchers say only female public officials will be able to eliminate corruption in Russia

A study by HSE researchers found that women believe corruption presents an obstacle to economic development, while men see it as a problem for customers and suppliers. The survey of over 1,200 public procurement experts revealed significant gender differences in perceptions of corruption.

SourceNational Research University Higher School of Economics·JournalJournal of Economic Behavior & Organization·DateSep 30, 2021

Using dunes to interpret wind on Mars

Researchers study Martian sand ridges to understand wind behavior, finding evidence of dune interactions similar to those on Earth. By analyzing these features, scientists can better interpret wind patterns on Mars and gain insights into the planet's geology.

SourceGeological Society of America·JournalGeology·DateSep 30, 2021

Study analyzes a decade of cardiac imaging trends

The study found that cardiac imaging methods became almost exclusively the domain of cardiologists, with reimbursement cuts reversing this trend. However, technological advances made competing exams appealing options, leading to a shift in utilization from cardiologist offices to hospital outpatient departments.

SourceRadiological Society of North America·JournalRadiology Cardiothoracic Imaging·DateSep 30, 2021

Allergic stimulation activates mast cell precursor cells

Researchers at Uppsala University found that allergic stimulation activates mast cell precursor cells, which can produce cytokine IL-13 contributing to asthma development. This challenges the idea that only mature immune cells are involved in immune reactions.

SourceUppsala University·JournalJournal of Allergy and Clinical Immunology·TypeExperimental study·DateSep 30, 2021
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.

COVID-19 hospitalizations increase among unvaccinated pregnant women

Unvaccinated pregnant women are experiencing a surge in COVID-19 hospitalizations due to the Delta variant, with severe cases requiring ventilators and resulting in deaths. The proportion of hospitalizations among unvaccinated women has more than doubled since last year.

SourceUT Southwestern Medical Center·JournalAmerican Journal of Obstetrics and Gynecology·DateSep 30, 2021

Earth is dimming due to climate change

Researchers found a significant drop in Earth's albedo over the past two decades, primarily caused by reduced bright clouds in the eastern Pacific Ocean. This decrease in reflectivity allows more solar energy to be captured by the climate system, contributing to potential global warming.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateSep 30, 2021
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.

Internship prepares scientists in training to communicate with the public

A science communications internship at MUSC helps scientists in training share research with the general public, improving laywriting skills and restoring trust. The program has produced over 100 science news stories and exposed interns to diverse career paths related to science communication.

SourceMedical University of South Carolina·JournalJournal of Clinical and Translational Science·TypeSurvey·DateSep 30, 2021

Fractal brain networks support complex thought

Researchers used fractal analysis to study brain network patterns while listening to a story. The results show that complex thoughts are reflected in high-order dynamic correlations in neural activity patterns.

SourceDartmouth College·JournalNature Communications·TypeComputational simulation/modeling·DateSep 30, 2021

Cell labelling method from microscopy adapted for use in whole-body imaging for the first time

Researchers at the University of Münster have developed a new cell labelling method using SNAP-tag technology and positron emission tomography (PET) for whole-body imaging. This breakthrough allows for the visualization of specific cellular processes, opening up new avenues for understanding bodily functions.

SourceUniversity of Münster·JournalChemical Communications·TypeExperimental study·DateSep 30, 2021
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.

UCLA bioengineers develop new class of human-powered bioelectronics

Researchers create a novel magnetoelastic generator that can convert human body motions into electricity, outperforming existing technology. The device is flexible, waterproof, and generates significant electrical currents, opening up new avenues for wearable and implantable diagnostic sensors.

SourceUniversity of California - Los Angeles·JournalNature Materials·TypeExperimental study·DateSep 30, 2021

Analyzing protein interaction networks reveals previously unknown cancer drivers

Researchers analyzed protein-protein interaction data from head and neck squamous cells, breast cancer, and combined them to generate a map of protein pathways driving tumor growth. The studies identify potential new therapeutic targets and provide a resource for interpreting cancer genomic data.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateSep 30, 2021

Drought in Africa linked to lower vaccine rates in children

A new study found that drought may hinder child vaccination coverage in Africa, with polio vaccination rates being the lowest closest to the time of drought. The study suggests that climate change can hinder vaccinations through financial instability, food insecurity and erosion of public health infrastructure.

SourceUniversity of Toronto·JournalPLOS Medicine·TypeSurvey·DateSep 30, 2021
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.

People with prior mental ill health hit harder by pandemic disruption

A new study co-led by UCL researchers found that people with higher pre-pandemic levels of depression or anxiety were more severely affected by job and healthcare disruptions during the pandemic. Those with severe symptoms experienced a much greater likelihood of disruptions to jobs, income, and healthcare.

SourceUniversity College London·JournalThe British Journal of Psychiatry·TypeObservational study·DateSep 30, 2021

How a committed minority can change society

An agent-based study found that a committed minority can influence the majority to overturn long-standing practices. The researchers created an online game where participants voted on a product launch, with a small group of 'activists' able to sway the majority. The study's findings may help stimulate sustainable behavior.

SourceUniversity of Groningen·JournalNature Communications·TypeExperimental study·DateSep 30, 2021

Living at high altitudes may lower chance of having a deadly stroke

Researchers found that people living at high altitudes have a lower risk of stroke and stroke-related death. The study suggests that adaptation to low oxygen conditions may help protect against stroke damage. A protective window between 2,000 and 3,500 meters was identified, with less protection seen above this altitude.

SourceFrontiers·JournalFrontiers in Physiology·TypeData/statistical analysis·DateSep 30, 2021

Gene found in monkeys and mice could work as a new type of antiviral to block HIV, Ebola, and other deadly viruses in humans

Researchers have discovered a genetic mutation called retroCHMP3 that can block the replication of certain viruses like HIV and Ebola by disrupting their ability to exit an infected cell. This finding has the potential to lead to the development of new medical interventions against these deadly diseases.

SourceUniversity of Utah Health·JournalCell·TypeExperimental study·DateSep 30, 2021
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

A tool to interrogate a new class of drugs

A team of scientists developed a new method to study the effects of reactive electrophiles in the body. By targeting specific proteins with electrophilic compounds, they discovered novel mediators involved in immune-cell apoptosis triggered by Tecfidera, a multiple sclerosis treatment.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateSep 30, 2021

Light in, sound out: photoacoustic probe helps find and fight Wilson's disease and other maladies

Researchers developed a non-toxic, small-molecule probe that provides real-time visualization of disease progression, overcoming limitations of MRI and PET imaging. The probe binds copper ions and detects dysregulated levels, accurately identifying Wilson's disease and other maladies.

SourceBeckman Institute for Advanced Science and Technology·JournalProceedings of the National Academy of Sciences·TypeRandomized controlled/clinical trial·DateSep 30, 2021

PSMA PET imaging more accurate than CT in detecting hepatocellular carcinoma

A study published in The Journal of Nuclear Medicine found that PSMA PET/CT is more accurate than conventional CT in detecting hepatocellular carcinoma metastases. This led to a change in management plans for nearly half of the patients, enabling them to receive effective treatment.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·TypeImaging analysis·DateSep 30, 2021
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.

New research provides compelling evidence of the connection between AMR surgical-site infections and arthropods

A new study by Oxford academics found that approximately 20% of flies and cockroaches carry carbapenem resistance, while 70-80% carry extended spectrum cephalosporin resistance. Climate change could lead to a doubling of insect populations and an increase in the global spread of antibiotic resistance.

SourceUniversity of Oxford·JournalNature Microbiology·TypeRandomized controlled/clinical trial·DateSep 30, 2021

Coral microbiome is key to surviving climate change, new study finds

Researchers discovered that coral microbiomes help corals survive rising ocean temperatures by protecting them from 'bleaching'. The team identified genes involved in stress response and found that different holobiont members have unique responses to high temperature stress.

SourcePenn State·JournalNature Communications·DateSep 30, 2021
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.

Relieving pain by mapping its biological signatures

Scientists have identified specific epigenetic signatures for nociceptive and neuropathic pain, allowing for quicker and more reliable classification. This breakthrough enables a simple blood test to determine the type of pain an individual suffers from, paving the way for targeted treatment.

SourceUniversité de Genève·JournalJournal of Pain·TypeNews article·DateSep 30, 2021