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Science News Archive April 2023 - Page 7


Page 7 of 37

Existing drugs prevent Alzheimer’s disease-related cognitive impairment in mice, new research at the Lewis Katz School of Medicine at Temple University shows

Researchers at Temple University Health System found that carbonic anhydrase inhibitors reduce inflammation, restore cell function and prevent cognitive impairment in mice with amyloid buildup. CAIs also improved cerebrovascular health and enhanced amyloid-clearing capacity.

SourceTemple University Health System·JournalAlzheimer s & Dementia·DateApr 26, 2023

Chemists tackle the tough challenge of recycling mixed plastics

Researchers at Colorado State University have created a new chemical strategy to deliver universal dynamic crosslinkers into mixed plastic streams, transforming them into viable new polymers that can be turned into higher-value materials. The method makes post-consumer plastics usable as a new kind of material with useful properties.

SourceColorado State University·JournalNature·TypeExperimental study·DateApr 26, 2023

Differential silencing of STAT3 isoforms leads to changes in STAT3 activation

Researchers investigated the roles of STAT3α and STAT3β in aggressive breast cancer and found that differential silencing of these isoforms leads to changes in STAT3 activation. This study emphasizes the importance of distinguishing between STAT3 isoforms for accurate cancer diagnosis and therapy.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateApr 26, 2023

Diverse landscapes help insects cope with heat stress

A new study reveals that diverse landscapes and microhabitats play a crucial role in helping insects cope with heat stress caused by global warming. Insects that inhabit diverse environments exhibit different strategies to conserve energy, such as reducing activity or seeking shelter in cooler areas.

SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalGlobal Change Biology·TypeExperimental study·DateApr 26, 2023
Apple iPhone 17 Pro

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

Study: Brain circuits for locomotion evolved long before appendages and skeletons

Researchers discovered parallels between the brain architecture of sea slugs and more complex segmented creatures with jointed skeletons and appendages. The study suggests that simpler organisms like sea slugs adapted a network of neurons to govern locomotion and posture, which was later inherited by more complex animals.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·TypeExperimental study·DateApr 26, 2023

BCG vaccine does not protect against COVID-19 in healthcare workers

A world-leading international trial has found that the BCG vaccine does not protect healthcare workers against COVID-19, despite boosting 'front-line' immunity in infants and protecting against respiratory infections. The research involved 3988 healthcare workers and showed a higher risk of symptomatic COVID-19 in the BCG group.

SourceMurdoch Childrens Research Institute·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateApr 26, 2023

How evolution has influenced the shape of the brain

A MedUni Vienna study examining the connection between brain structure and function found that brain shape evolved parallel to its capabilities. The research analyzed 90 species of Euarchontoglires, revealing clusters of growth patterns linked to cognitive abilities.

SourceMedical University of Vienna·JournalNature Communications·DateApr 26, 2023

Early Lyme disease may include neurologic Lyme disease

Rheumatologists are crucial in detecting neurologic Lyme disease due to its broad spectrum of symptoms and signs. Early treatment has a favorable prognosis, but delayed diagnosis can lead to severe symptoms.

SourceRutgers University·JournalPathogens·TypeCommentary/editorial·DateApr 26, 2023

First ever sturgeon to be found in Africa

A fossil of a 'royal fish', estimated to be over 66 million years old, was discovered in Morocco, marking the first time a sturgeon has been found in Africa. This finding suggests that sturgeons may have been more widespread than previously thought, complicating models of their origin.

SourceUniversity of Portsmouth·JournalCretaceous Research·DateApr 26, 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.

Inhaled ethanol may treat respiratory infections and stop pandemics

A new study found that inhaling low concentrations of ethanol vapor can inactivate the influenza A virus in mice without harmful side effects. The researchers believe this method could also treat similar viruses like Covid-19 and potentially stop pandemics. However, further evaluation is needed to ensure its efficacy and safety on humans.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalThe Journal of Infectious Diseases·TypeExperimental study·DateApr 26, 2023

Most smallholder farmers surveyed in Uganda believe they can reduce damage caused by fall armyworm pest

Most smallholder farmers in Uganda surveyed believe they can reduce damage caused by the fall armyworm using various management and control options. They predominantly use chemical control methods, including regular weeding and handpicking, with some farmers also employing biological extracts to combat the pest.

SourceCABI·JournalCABI Agriculture and Bioscience·TypeExperimental study·DateApr 25, 2023
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.

What is the best lymphoma treatment after CAR T therapy fails?

Researchers found that checkpoint inhibitors are not effective in treating relapsed aggressive lymphomas after CAR T therapy. The study involved 96 patients from 15 centers and showed only 19% response to checkpoint inhibitor therapy.

SourceUniversity of Colorado Anschutz Medical Campus·JournalBlood Advances·DateApr 25, 2023

Computational ‘short cuts’ offer fast answers to complex supply chain problems

Computational heuristics like Grey Wolf Optimizer and Whale Optimization Algorithm offer fast solutions to complex supply chain problems, providing accurate results within a shorter time frame. The research suggests these tools can be a valuable addition to supply chain management, especially in responding to unexpected disruptions.

SourceNorth Carolina State University·JournalIEEE Access·TypeComputational simulation/modeling·DateApr 25, 2023
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.

Astronomers solve the 60-year mystery of quasars – the most powerful objects in the Universe

Scientists have discovered that quasars are ignited by galaxies crashing together, a process that drives gas towards supermassive black holes and releases extraordinary amounts of energy. This finding provides a significant step forward in understanding how these powerful objects are triggered and fuelled.

SourceUniversity of Sheffield·JournalMonthly Notices of the Royal Astronomical Society·TypeImaging analysis·DateApr 25, 2023

Creating a tsunami early warning system using artificial intelligence

Researchers developed an AI-based early warning system that combines acoustic technology with artificial intelligence to classify earthquakes and determine potential tsunami risk. The system uses underwater microphones to measure acoustic radiation, which travels faster than tsunami waves and carries information about the tectonic event.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateApr 25, 2023

Study links nutrients, brain structure, cognition in healthy aging

A new study by University of Illinois researchers found associations between dozens of features that promote brain and cognitive health in older adults. The analysis combined data on nutrient intake, brain structure, and cognitive function, revealing clusters of traits that work together to support healthy aging.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Nutrition·TypeData/statistical analysis·DateApr 25, 2023

More efficient and cost-effective mRNA vaccines: Researchers from Graz University of Technology produce pseudouridine by means of biocatalytic synthesis

Researchers from Graz University of Technology have developed a novel method for producing central components of mRNA vaccines using biocatalytic synthesis. This approach achieves a yield of 92-95% compared to 40-50% for chemical processes, making it more efficient and cost-effective.

SourceGraz University of Technology·JournalNature Communications·TypeExperimental study·DateApr 25, 2023

Emerging treatment for children with long COVID and recurrent fever

Researchers at National Jewish Health found that daily Colchicine treatment improved fevers and symptoms in two adolescent patients with long COVID. Genetic testing revealed a pathogenic mutation in the MEFV gene, which is associated with periodic fever syndromes.

SourceNational Jewish Health·JournalJournal of Allergy and Clinical Immunology·TypeCase study·DateApr 25, 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.

Near-universal T cell immunity towards a broad range of bacteria

A recent study has discovered a shared protein sequence among bacterial pathogens, recognized by human T cells in a conserved manner. This finding suggests that T cells may provide broad antibacterial immunity against a range of diseases, potentially informing the development of more effective vaccines.

SourceMonash University·TypeExperimental study·DateApr 25, 2023

Pesticides and neurodevelopment disorders

Exposure to pyrethroid pesticide deltamethrin during pregnancy and lactation causes reduced cognition, increased repetitive behaviors, and altered dopamine levels in mice offspring. These findings suggest that exposure to pyrethroid pesticides may contribute to neurodevelopmental disorders in humans.

SourcePNAS Nexus·JournalPNAS Nexus·DateApr 25, 2023

Pet rabbits need freedom to exercise, study finds

A new study finds that pet rabbits require daily freedom to exercise outside their home enclosure, even in larger hutches with access to an exercise area. The research highlights the importance of allowing pairs of rabbits to move freely throughout the day.

SourceUniversity of Bristol·JournalApplied Animal Behaviour Science·TypeObservational study·DateApr 25, 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.

Ocean ecosystem: Mixotrophic microorganisms play key role

A team of researchers identified UBA868 as a significant player in the biogeochemical cycle of the deep ocean, regulating energy balance and fixing carbon dioxide. This finding challenges previous assumptions about the role of microorganisms in the marine ecosystem.

SourceUniversity of Vienna·JournalNature Microbiology·DateApr 25, 2023

Investment in education in shrinking cities

A study by Osaka Metropolitan University found that social and educational indicators have a stronger impact on population decline rates than economic indicators. Increasing investment in education for children can help lower population decline rates, suggesting a potential solution to Japan's shrinking city problem.

SourceOsaka Metropolitan University·JournalPLOS ONE·TypeData/statistical analysis·DateApr 25, 2023

Improving bloodstain pattern analysis with fluid dynamics

Researchers used fluid dynamics to model blood drop behavior during secondary atomization, finding smaller droplets are easier to sweep up by firearm gases. This discovery could explain how short-range shooters remain clean from blood stains.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateApr 25, 2023

Autistic children exhibit aggression more frequently, study shows

Researchers found that autistic children exhibit higher levels of verbal aggression and disruptive behavioral intensity across three critical developmental periods. Autistic children also show more physical aggression in early childhood, but this gap closes as they age.

SourceUniversity of Arkansas·JournalAutism Research·TypeSurvey·DateApr 25, 2023
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.

Enzymes from bacteria and fungi break down plastic

Researchers have developed enzymes that can efficiently break down plastic, reducing its environmental impact. However, over-reliance on these technologies may not address the root issue of excessive plastic production.

SourceNorwegian University of Science and Technology·JournalBiochemistry·TypeExperimental study·DateApr 25, 2023

Exposure to cannabinoids in pregnancy increases newborn mortality and respiratory problems

A Brazilian study found that prenatal exposure to cannabinoids increases the risk of sudden infant death syndrome, breathing difficulties, and impaired control of breathing. The study suggests that consumption of cannabis or derivatives during pregnancy can have severe effects on the fetus's neural and physiological functions.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBritish Journal of Pharmacology·DateApr 25, 2023

Treating polluted water with nanofiber membranes

Researchers in China developed a method to increase the efficacy of membrane separation technology using nanofibrous membranes with silver nanoparticles. The technology is up to 99% effective at separating oil from water, promoting a stable hydration layer that impedes oil droplets and enhances antibacterial properties.

SourceAmerican Institute of Physics·JournalBiointerphases·DateApr 25, 2023

Trends in buprenorphine initiation and retention

Monthly buprenorphine initiation rates in the US rose from January 2016 to October 2022, then plateaued prior to the COVID-19 pandemic. The study suggests factors beyond the pandemic contributed to this trend.

SourceJAMA Network·JournalJAMA·DateApr 25, 2023

Using artificial intelligence to create a tsunami early warning system

A team at Cardiff University developed an AI-powered tsunami early warning system that uses real-time classification of underwater earthquakes to detect tsunamis more reliably and earlier. The system enables faster evacuation by identifying the size and scale of tsunamis through acoustic-gravity waves, reducing false alarms.

SourceCardiff University·JournalPhysics of Fluids·TypeComputational simulation/modeling·DateApr 25, 2023
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.

Fabrication and applications of van der Waals heterostructures

The article discusses the fabrication and applications of van der Waals heterostructures (vdWHs), which have unique properties and potential for exploring condensed matter physics. Various strategies for fabricating vdWHs were developed in the past decade, leading to promising functionalities in diverse fields.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateApr 25, 2023

Novel living yeast-based dual biosensor for detecting peptide variants

Researchers developed a living yeast-based dual biosensor that can detect peptide variants with a visible readout, enhancing the capabilities of their original biosensor. The new sensor can distinguish between specific peptide variants using a protease-cleaving catalytic enzyme.

SourceNanjing Agricultural University The Academy of Science·JournalBioDesign Research·TypeExperimental study·DateApr 25, 2023

Quantum sensing in your pocket

Researchers from the ARC Centre of Excellence in Exciton Science have demonstrated a new chip-scale approach using OLEDs to image magnetic fields, offering a potential solution for portable quantum sensing. This technique enables small, flexible, and mass-producible sensing without requiring input from a laser or cryogenic temperatures.

SourceARC Centre of Excellence in Exciton Science·JournalNature·TypeExperimental study·DateApr 25, 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.

Climate change is already impacting stream flows across the US

Research by DRI researchers found that increased winter temperatures are driving more extreme variations in stream flow across the US. This is impacting floods, droughts, and ecosystems. The study examines over 500 watersheds and finds that snow-dominated watersheds are receiving more precipitation as rain than historically.

SourceDesert Research Institute·JournalJournal of Hydrology·TypeObservational study·DateApr 25, 2023

Age and sex influence health benefits of dieting, study suggests

A recent study found that males on reduced calorie diets showed greater fat loss and improvements in blood sugar levels compared to females in young adulthood. However, when dieting began at older ages, there was no significant difference in fat loss between sexes.

SourceUniversity of Edinburgh·JournaleLife·TypeObservational study·DateApr 25, 2023

Scientists demonstrate unprecedented sensitivity in measuring time delay between two photons

A team of researchers has achieved unparalleled precision in measuring the time delay between two photons using frequency-resolving sampling measurements. This breakthrough enables faster and more efficient characterisation of nanostructures, including biological samples and nanomaterial surfaces.

SourceUniversity of Portsmouth·JournalPhysical Review Applied·TypeComputational simulation/modeling·DateApr 25, 2023

Uncovering a star’s demise: Supermassive black hole tears apart a giant star in a display brighter, more energetic and longer lasting than any observed before

Astronomers have discovered a supermassive black hole consuming a giant star, producing a long-lived transient object that is orders of magnitude brighter and more energetic than any recorded before. The object, named Scary Barbie, has lasted over two years and may be visible for years to come.

SourcePurdue University·JournalThe Astrophysical Journal·DateApr 25, 2023

Cancer cells may sense immune surveillance and actively adapt

Researchers propose a new theory on how cancer cells actively adapt to evade the immune system, losing and gaining tumor-associated antigens. This adaptation makes it difficult for immunotherapies to target cancer cells effectively, but may also create new vulnerabilities that can be therapeutically targeted.

SourceeLife·JournaleLife·DateApr 25, 2023
Fluke 87V Industrial Digital Multimeter

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

Say ‘ahhh’: This ecofriendly tongue depressor checks vitals

Researchers developed an ecofriendly disposable sensor that can check levels of glucose and other biomarkers in saliva using a wooden tongue depressor. The device uses low-power diode lasers to create conductive electrodes, making it cheaper and easier to produce on-site at medical facilities.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateApr 25, 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.

How do you define shyness? A new study analyzes shyness in children

A new study by researchers at McMaster University examined a child's behavioral, affective, and physiological responses to a speech task. The findings showed that approximately 10% of children may be characterized as temperamentally shy, while 25% may experience shyness as an emotional state in some situations.

SourceSociety for Research in Child Development·JournalChild Development·TypeObservational study·DateApr 25, 2023

Laser speckle imaging can identify hearts suitable for transplantation

Researchers have developed a non-invasive technique using laser speckle imaging to visualize microvasculature in donor hearts and detect abnormal blood flow. The method enables precise visualization of blood circulation, potentially identifying hearts suitable for transplantation.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateApr 25, 2023

Asteroid’s comet-like tail Is not made of dust, solar observatories reveal

NASA solar observatories have discovered that asteroid Phaethon's comet-like tail is not composed of dust, but rather sodium gas. The findings contradict previous theories and suggest a new explanation for Phaethon's behavior, which is the source of the annual Geminid meteor shower.

SourceNASA/Goddard Space Flight Center·JournalThe Planetary Science Journal·TypeObservational study·DateApr 25, 2023
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.

Fishermen-developed “banger bar” helps reduce risk of injury on crab boats, OSU study finds

A study by Oregon State University found that a metal bar installed on the crab-sorting table can reduce the strain on fishermen's bodies and prevent injuries. The researchers tested different banger bar configurations and found that higher bars and triangular bars were the most effective in reducing muscle activity and joint moment.

SourceOregon State University·JournalApplied Ergonomics·TypeExperimental study·DateApr 25, 2023

How to land on a planet safely

Researchers developed a model to describe the interaction between a rocket plume and planetary surfaces, providing insights into erosion and contamination. The simulation estimates plume shape, temperature, and pressure, as well as material eroded or displaced, for safer landing sites and spacecraft design.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateApr 25, 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.