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Science News Archive March 2023 - Page 36


Page 36 of 44

Quantum crossover: How to distinguish single-particle and pair currents

Researchers developed a new method to distinguish current carriers in the BCS-BEC crossover, a phase transition between superfluids and superconductors. The team measured fluctuations of currents, quantified as the Fano factor, which can identify single-particle- and pair-currents.

SourceSchool of Science, The University of Tokyo·JournalPNAS Nexus·TypeExperimental study·DateMar 7, 2023

Heart toggles between maintenance and energy-boost mode using ribosomes

Researchers discovered a mechanism involving ribosomes that enables the heart to toggle between a regular maintenance mode and an energy-boost mode. This finding provides clues for developing medicines targeting specific ribosomes to treat cardiovascular disease.

SourceCenter for Genomic Regulation·JournalNucleic Acids Research·TypeExperimental study·DateMar 7, 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.

Drunk mice sober up after a hormone shot

A hormone called FGF21 protects mice from ethanol-induced loss of balance and righting reflex by activating a specific part of the brain that controls alertness. The study reveals that higher FGF21 concentrations can dramatically accelerate recovery from intoxication.

SourceCell Press·JournalCell Metabolism·TypeExperimental study·DateMar 7, 2023

Advanced air mobility conference takes flight at UCF

The UCF Advanced Air Mobility Conference aims to generate knowledge on the significance and feasibility of AAM, exploring law's impact on its development and potential benefits for urban mobility. Researchers will discuss issues such as property law, jurisdiction, safety, and social equity.

SourceUniversity of Central Florida·DateMar 7, 2023

Spinal cord stimulation doesn’t help with back pain, says new review

A new review found that spinal cord stimulation is no better than a placebo for treating low back pain, with probably little to no benefit for people with the condition. The review also highlighted gaps in clinical data and called for future trials to be longer and more comprehensive.

SourceUniversity of Sydney·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateMar 7, 2023
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.

The case for female mice in neuroscience research

New research from Harvard Medical School reveals that female mice display more consistent exploratory behavior despite hormonal fluctuations. This finding highlights the importance of including both sexes in neuroscience experiments to gain a deeper understanding of the brain and its functions.

SourceHarvard Medical School·JournalCurrent Biology·DateMar 7, 2023

SMART researchers develop novel combination bacterium- and host-targeted therapy for treating vancomycin-resistant bacterial infections

Researchers develop a novel combination therapy using mitoxantrone and vancomycin to treat vancomycin-resistant Enterococcus faecalis (VRE) infections. The therapy stimulates the host immune system, accelerating wound healing and killing bacteria more effectively.

SourceSingapore-MIT Alliance for Research and Technology (SMART)·JournalScience Advances·TypeExperimental study·DateMar 7, 2023

Do you see me? New study examines how women of colour experience invisibility in the workplace

A recent landmark study found that women of color experience invisibility in traditionally white and male professions, with four distinct forms of invisibility identified. The study also reveals how different social power levels influence responses to invisibility, ranging from withdrawal to approach or pragmatic tactics.

SourceUniversity of Western Ontario, Ivey Business School·JournalJournal of Applied Psychology·TypeSurvey·DateMar 7, 2023

Alaska study compares ground motion, magnitude estimates from satellite and seismic records

A study by Revathy Parameswaran and colleagues compared ground motion and magnitude estimates from satellite and seismic records for the 2021 Chignik earthquake. The researchers found that GNSS and strong-motion acceleration seismic data can be used interchangeably or jointly for rapid magnitude or ground motion estimation.

SourceSeismological Society of America·JournalSeismological Research Letters·TypeObservational study·DateMar 7, 2023

Self-monitoring physical activity matters, according to smartwatch study

Research from Penn State found that self-monitoring physical activity through smartwatches leads to increased motivation and activity levels. Participants who received prompts to report their activity took hundreds more steps in a given day compared to those who didn't receive such prompts.

SourcePenn State·JournalHealth Psychology·DateMar 7, 2023
Apple iPhone 17 Pro

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

How fruit flies feast for pleasure as well as necessity

Researchers discovered that fruit flies have distinct hunger drives, one driven by need and the other by pleasure, which arise from unique neural mechanisms. The study found that hungry flies increase feeding event duration and total events, and identified specific brain regions activated by pleasurable food environments.

SourceeLife·JournaleLife·DateMar 7, 2023

How high altitude changes your body’s metabolism

Researchers at Gladstone Institutes discovered that chronically low oxygen levels, similar to those experienced at high elevation, rewire how mice burn sugars and fats. The study found lasting changes in metabolism, including lower blood glucose levels and body weight, which mirror what has been seen in humans who live at high altitude.

SourceGladstone Institutes·JournalCell Metabolism·DateMar 7, 2023

To help dry forests, fire needs to be just the right intensity, and happen more than once

Research suggests that wildfires need to fall within a narrow severity range to improve forest health. The study found that moderate severity fires are most effective at reducing community and ecosystem risk, but even these may not be enough to restore species composition. Land managers can use the predicted post-fire conditions to inf...

SourceOregon State University·JournalPLOS ONE·TypeComputational simulation/modeling·DateMar 7, 2023

Enhancing at-home COVID tests with glow-in-the dark materials

The University of Houston researchers have developed a new test that uses glow-in-the-dark materials to improve the sensitivity and accuracy of at-home COVID-19 tests. The test, which can detect COVID-19 proteins more efficiently, has shown excellent results compared to commercial tests.

SourceUniversity of Houston·JournalThe Analyst·DateMar 7, 2023
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.

New “camera” with shutter speed of 1 trillionth of a second sees through dynamic disorder of atoms

Researchers at Columbia University have developed a new 'camera' that can see atomic structures in real-time, revealing the dynamic disorder of materials. This breakthrough enables better understanding of thermoelectric devices and waste heat conversion, leading to more efficient sustainable energy applications.

SourceColumbia University School of Engineering and Applied Science·JournalNature Materials·DateMar 7, 2023

AI accurately identifies normal and abnormal chest x-rays

A study published in Radiology found that an AI tool can accurately identify normal and abnormal chest X-rays with a high degree of sensitivity. The tool identified abnormal chest X-rays with a 99.1% sensitivity rate, outperforming clinical board-certified radiologists.

SourceRadiological Society of North America·JournalRadiology·DateMar 7, 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.

Brain tumor discovery paves way for new drug treatments

Researchers have discovered that high-grade glioma brain tumors have LDL receptors, which could be targeted by drugs already in development. The study's findings pave the way for using nanoparticle-based therapies to starve the tumors of energy and cause disruptions to their growth and spread.

SourceUniversity of Nottingham·JournalPharmaceutics·TypeExperimental study·DateMar 7, 2023

Transition to adulthood brings mental health declines for Black youth who interact with juvenile justice system, Mason researcher finds

A new study from George Mason University College of Public Health found that mental health symptoms worsened in Black youth who interacted with the juvenile justice system during transition to adulthood. Connectedness, particularly to family and community, was a protective factor against declining mental health.

SourceGeorge Mason University·JournalSocial Work in Mental Health·TypeData/statistical analysis·DateMar 7, 2023

Puzzle-solving behavior spreads through bumblebee colonies

Researchers found that bumblebee colonies adopt and prefer specific solution methods to a puzzle box problem, demonstrating the importance of social learning. The study suggests that bees with prior experience can teach others, leading to the spread of behavioral approaches within the colony.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateMar 7, 2023

HKU Mechanical Engineering team unlocks the key to new generation of safe energy-efficient Lithium battery

A HKU Mechanical Engineering team has developed a new generation of lithium-ion batteries that are safer, more powerful and have a longer lifespan. The innovative design uses single-ion conducting polymer electrolytes that can conduct electricity faster than traditional liquid electrolytes.

SourceThe University of Hong Kong·JournalChemical Engineering Journal·TypeExperimental study·DateMar 6, 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.

Bending 2D nanomaterial could ‘switch on’ future technologies

Researchers discovered a property in single-layer ferroelectric materials that allows them to bend in response to an electrical stimulus. This bending behavior enables the creation of nano-scale switches or motors, which can be controlled using electrical signals.

SourceRice University·JournalACS Nano·TypeComputational simulation/modeling·DateMar 6, 2023

Chung-Ang University researchers fabricate novel flexible supercapacitors on paper

Chung-Ang University researchers develop a novel flexible supercapacitor platform with vertically integrated gold electrodes in a single sheet of paper. The design shows low electrical resistance, high foldability, and good mechanical strength, making it suitable for wearable devices.

SourceChung Ang University·JournalChemical Engineering Journal·TypeExperimental study·DateMar 6, 2023

Temperature-stable TB vaccine safe, prompts immune response in NIH-supported study

A Phase 1 trial of a thermostable tuberculosis (TB) vaccine candidate found it to be safe and stimulated both antibodies and cellular responses. The vaccine, ID93+GLA-SE, was well-tolerated and produced higher levels of antibodies in recipients compared to a non-thermostable formulation.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNature Communications·DateMar 6, 2023

'Greed is good' for likes and retweets if you're a U.S. senator

A new study found that U.S. senators' tweets about greed perform better in terms of likes and retweets, particularly among Democrats who gain stronger traction for negative tweets about their opponents.

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateMar 6, 2023

New research points to drug option for hair-pulling, skin-picking disorders

A study at the University of Chicago Medicine found that memantine significantly improved symptoms of trichotillomania and skin-picking disorder compared to a placebo. The drug, commonly used for Alzheimer's disease, showed promise as a first-line treatment option.

SourceUniversity of Chicago Medical Center·JournalAmerican Journal of Psychiatry·DateMar 6, 2023
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.

Mass General Brigham study finds virtual care team strategy improved treatment for heart failure patients

A virtual care team consisting of physicians and pharmacists improved the adoption of life-saving therapies in patients with heart failure, leading to increased use of evidence-based treatments and better patient outcomes. The strategy was safe and effective, with comparable length of stay and safety events between the groups.

SourceMass General Brigham·JournalJournal of the American College of Cardiology·TypeRandomized controlled/clinical trial·DateMar 6, 2023

Hair analysis shows child drug use could be twice as high as we think

A study of over 1,300 children aged 9-13 found a significant increase in substance use when combining hair analysis with survey results, nearly doubling the estimated number of child drug users. This suggests that hair analysis is a more accurate method for assessing adolescent substance abuse than self-reporting alone.

SourceTaylor & Francis Group·JournalThe American Journal of Drug and Alcohol Abuse·TypeObservational study·DateMar 6, 2023

Gene and cell therapies to combat pancreatic cancer

Pancreatic cancer is an incurable form of cancer, but gene therapies are being developed to treat it. The article reviews ongoing clinical trials and discusses various biotherapies, including vaccines and CAR-T cell therapy.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalHuman Gene Therapy·TypeExperimental study·DateMar 6, 2023

New study uncovers key culprit behind pediatric brain cancer metastasis

Researchers have identified a key cause of metastasis from aggressive brain cancer in children and found a potential new therapy. Medulloblastoma cells hijack neurodevelopmental signaling pathways to promote tumor cell spreading. Targeting these pathways with a drug called dasatinib has shown promise in killing metastatic tumors.

SourceUniversity of Pittsburgh·JournalNature Cell Biology·TypeExperimental study·DateMar 6, 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.

High-member low-dimensional Sn-based perovskite solar cells

Researchers have developed high-member low-dimensional Sn-based perovskite solar cells using phenethylammonium thiocyanate, which improves their efficiency and reduces bimolecular recombination rates. The new structure has a higher crystal quality, leading to enhanced power conversion efficiency.

SourceScience China Press·JournalScience China Chemistry·DateMar 6, 2023

The marathon runners of the immune system

A biological messenger called interleukin-33 (IL-33) plays a crucial role in maintaining cytotoxic T cells' 'marathon runner' state, allowing them to provide sustained immunity against chronic infections. This finding has implications for improving treatment of hepatitis C and cancer immunotherapy.

SourceUniversity of Basel·JournalImmunity·TypeExperimental study·DateMar 6, 2023

Cheap charcoal air filters offer improvements to in-vehicle air quality

A cheap charcoal air filter can significantly improve in-vehicle air quality, reducing nitrogen dioxide (NO2) levels by up to 90%. The study found that NO2 concentrations were on average 14.3 times lower with activated carbon filters fitted compared to pollen filters.

SourceUniversity of Birmingham·JournalScience of The Total Environment·TypeExperimental study·DateMar 6, 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.

Wheeled robot measures leaf angles to help breed better corn plants

Researchers have developed a robotic system called AngleNet that measures leaf angles on corn plants, providing plant breeders with accurate data more quickly. The technology uses stereo vision and deep convolutional neural networks to capture images of leaves at different heights, enabling 3D modeling and precise measurements.

SourceNorth Carolina State University·JournalJournal of Field Robotics·TypeExperimental study·DateMar 6, 2023

UCLA engineers design solar roofs to harvest energy for greenhouses

Researchers at UCLA have developed a new type of solar roof that can harness energy from sunlight without blocking light for plants. The innovative design uses semi-transparent organic solar cells with a layer of L-glutathione, which extends the cells' lifetime and improves efficiency.

SourceUniversity of California - Los Angeles·JournalNature Sustainability·TypeExperimental study·DateMar 6, 2023

Study finds silicon, gold and copper among new weapons against COVID-19

New study by Curtin University researchers finds that silicon, gold, and copper can trap and destroy the spike proteins of SARS-CoV-2, likely killing the virus. The materials can be used in air filters, coatings, or fabric to capture coronaviruses and prevent infection.

SourceCurtin University·JournalChemical Science·TypeExperimental study·DateMar 6, 2023
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.

Risk of thrombotic events should not exclude transgender people from receiving hormone therapy, according to new guidance

Research suggests that withholding gender-affirming hormone therapy from transgender individuals may have negative mental and physical effects. A new study provides comprehensive guidance for assessing, managing, and treating venous thromboembolism in transgender patients receiving feminizing hormone therapy.

SourceMassachusetts General Hospital·JournalEndocrine Practice·TypeSystematic review·DateMar 6, 2023

Diversity training for police officers: one-and-done efforts aren't enough

A recent study found that diversity trainings for police officers are ineffective in changing behavior, as intentions to use strategies decrease over time. The researchers recommend embedding lessons with other organizational initiatives and providing 'super-tailored strategies' to address specific daily work activities.

SourceAssociation for Psychological Science·JournalPsychological Science·TypeExperimental study·DateMar 6, 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.

Does the artificial watercourse in the Hessian Ried have a Roman past?

A new German Research Foundation-funded project investigates the possibility that a Roman land ditch was created in the Hessian Ried in the 1st century AD. The research aims to find the canal's original course and study its relationship with nearby Roman settlement sites.

SourceGoethe University Frankfurt·TypeExperimental study·DateMar 6, 2023

How heavy alcohol consumption increases brain inflammation

A Scripps Research team has found that heavy alcohol consumption increases brain inflammation, leading to changes in signaling pathways and behavior. The study suggests a potential new drug target for treating alcohol use disorder by targeting the interleukin-1β pathway.

SourceScripps Research Institute·JournalBrain Behavior and Immunity·DateMar 6, 2023

Growing crops at solar farms can boost panel performance, longevity

Research at Cornell University found that co-locating solar panels with commercial agriculture can improve power conversion efficiency and solar-panel longevity. Agrivoltaic systems offer increased passive cooling through taller panel heights, more reflective ground cover, and higher evapotranspiration rates.

SourceCornell University·JournalApplied Energy·DateMar 6, 2023
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.

High-dose anticoagulation can reduce intubations and improve survival for hospitalized COVID-19 patients

High-dose anticoagulation reduces intubations and deaths by 30% in hospitalized COVID-19 patients, especially those with ARDS. The study found a significant reduction in mortality and need for ICU care among patients treated with therapeutic anticoagulation.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of the American College of Cardiology·TypeRandomized controlled/clinical trial·DateMar 6, 2023

Siblings should be screened in cases of suspected child physical abuse

A new consensus statement calls for routine radiological screening of contact children in suspected child physical abuse cases to prevent further harm. Siblings are at risk of experiencing physical abuse, with a strong association between index and contact children.

SourceUniversity College London·JournalJAMA Pediatrics·TypeCommentary/editorial·DateMar 6, 2023

Long-term intermittent fasting reduces COVID-19 heart failure complications and death in patients with previous heart disease

A new study by Intermountain Health found that long-term intermittent fasting can lead to better outcomes in COVID-19 patients who required cardiac catheterization. Patients who practiced regular fasting had a lower rate of heart failure-related hospitalization, complications, and death compared to those who did not fast. The study sug...

SourceIntermountain Healthcare·TypeObservational study·DateMar 6, 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.

New study reveals biosafety effects of moderate and high static magnetic fields

A recent study published in Antioxidants & Zoological Research found that moderate static magnetic fields can delay natural aging in healthy mice and alleviate chronic kidney injury induced by chemotherapy. High-grade exposure, however, had detrimental effects on diabetic mice, including organ damage and reduced survival rates.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAntioxidants·DateMar 6, 2023