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Science News Archive March 2023 - Page 6


Page 6 of 44

Unravelling the shapes of DNA minicircles

Researchers study DNA minicircles using hydrodynamic measurements to understand their behavior under twisting, revealing unique shapes and compactness. The investigation combines theoretical approaches with experimental methods to elucidate dynamic hydroelastic effects in DNA.

SourceUniversity of Warsaw, Faculty of Physics·JournalNucleic Acids Research·DateMar 29, 2023

Pusan National University researchers develop non-intrusive sensor for pipeline monitoring

A novel, low-cost sensor system utilizing force-sensing resistor technology has been developed by Pusan National University researchers for real-time pipeline monitoring. The system demonstrated a 99.4% correlation with commercial sensors, enabling accurate detection of pipeline damages.

SourcePusan National University·JournalStructural Control and Health Monitoring·TypeExperimental study·DateMar 29, 2023
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.

New ways to protect food crops from climate change and other disruptions

Researchers found that seed systems are often disrupted by conflict, social inequality, and poor policies. Emerging initiatives like participatory plant breeding help farmers secure food supplies by developing crop varieties tailored to their needs.

SourceNorwegian University of Life Sciences·JournalProceedings of the National Academy of Sciences·TypeSystematic review·DateMar 29, 2023

How the ancestors of today's marine fishes conquered the oceans

Researchers from Spain, Italy and Norway uncover a cluster of water channel genes in teleosts that allow eggs to float. The study reveals unique mechanisms for hydrating maturing eggs, which determines their buoyancy.

SourceUniversitat Autonoma de Barcelona·JournalMolecular Biology and Evolution·TypeExperimental study·DateMar 29, 2023
Apple iPhone 17 Pro

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

Earth prefers to serve life in XXS and XXL sizes: UBC research

A recent UBC study reveals that the planet's biomass is disproportionately distributed among tiny and massive organisms, with no clear explanation for this pattern. The findings have significant implications for understanding climate change impacts and ecosystems.

SourceUniversity of British Columbia·JournalPLOS ONE·DateMar 29, 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.

New research offers hope in fight against blood cancers

Researchers at the University of Missouri have developed a process for marking transplanted donor bone marrow cells, allowing them to target only cancerous cells. This breakthrough offers new hope for bone marrow transplant patients with blood cancers such as lymphoma and leukemia.

SourceUniversity of Missouri-Columbia·JournalBlood Advances·TypeExperimental study·DateMar 29, 2023

Charming experiment finds gluon mass in the proton

A recent experiment at Jefferson Lab has revealed the radius of the proton's mass generated by gluons, which may have shed light on the origin of its mass. The result indicates that this core has a different size than the proton's well-measured charge radius.

SourceDOE/Thomas Jefferson National Accelerator Facility·JournalNature·DateMar 29, 2023

New mouse study reveals a key process in how the brain forms memories

Researchers identified a crucial molecular process involving gene expression in neurons that contributes to early memory loss and Alzheimer's disease. Genetic alterations in mice showed that lack of phosphorylation on beta-2 adrenergic receptors led to poor memory, while PDE inhibitors improved memory function.

SourceUniversity of California - Davis Health·JournalScience Signaling·TypeExperimental study·DateMar 29, 2023
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.

Do your headaches happen at the same time of day?

A meta-analysis found strong links between cluster headache and migraine and the circadian system, with specific patterns of attacks and hormonal associations. The study suggests using circadian-based treatments as a potential new approach for headache disorders.

SourceAmerican Academy of Neurology·JournalNeurology·DateMar 29, 2023

Diminishing health benefits of living in cities for children and teens

A global study analyzing height and BMI data from 71 million children and adolescents found that urban areas are no longer healthier than rural areas, especially in sub-Saharan Africa. Rural areas have been closing the gap in recent decades due to improvements in nutrition and healthcare.

SourceImperial College London·JournalNature·TypeObservational study·DateMar 29, 2023

Symbiotic yeast helps longicorn beetles eat wood

A research group at Nagoya University discovered that the Japanese longicorn beetle has a symbiotic yeast called Scheffersomyces insectosa. The yeast breaks down xylose and other wood components, making it edible for the beetles.

SourceNagoya University·JournalPLOS ONE·DateMar 29, 2023

AI could set a new bar for designing hurricane-resistant buildings

Researchers at NIST have developed a new method of digitally simulating hurricanes using AI techniques, accurately representing the trajectory and wind speeds of real storms. The simulations can help develop improved guidelines for building design in hurricane-prone regions.

SourceNational Institute of Standards and Technology (NIST)·JournalArtificial Intelligence for the Earth Systems·DateMar 29, 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.

Immune Development in Early Life (IDEAL) study to identify new approaches for predicting and preventing childhood disease

An international project aims to discover modifiable cellular and molecular pathways of the developing infant immune system to improve infant vaccine responsiveness and prevent respiratory disease. By analyzing infants' immune systems from birth to five years old, researchers hope to identify biomarkers that predict vaccine responsiven...

SourceBoston Children's Hospital·DateMar 29, 2023

Coronavirus causes chaos in infected cells’ RNA

Researchers found that SARS-CoV-2 infection causes drastic changes to RNA modifications, including the loss of m6A modification. This disruption may lead to persistent COVID-like symptoms and provide a new potential drug target against COVID-19. The study's results could also shed light on chronic post-COVID conditions.

SourceUniversity of Gothenburg·JournalGenome Research·TypeExperimental study·DateMar 29, 2023

How to improve water permeability and rejection performance of RGO membrane? RGO-MXene membranes give answer

Researchers have developed RGO-MXene membranes that exhibit high pure water permeance and improved electro-enhanced rejection performance. The membranes' wettability-regulated channels enhance water entry rates and boost rejection rates for charged species under electro-assistance.

SourceHigher Education Press·JournalFrontiers of Environmental Science & Engineering·TypeExperimental study·DateMar 29, 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.

DACA has not had a negative impact on the U.S. job market

A new study from the University of Delaware refutes criticism that DACA policy hurts jobs and income, finding it may actually improve the economic climate. The study, led by Emily Battaglia, analyzed data from 2005 to 2018 and found no negative impact on native-born Americans or non-eligible immigrants.

SourceUniversity of Delaware·JournalJournal of Urban Economics·DateMar 29, 2023

You can find the flow – and scientists can measure it

Researchers at NTNU developed a new test to measure flow state, which can be useful for teachers to adapt instruction. The General Flow Proneness Scale has been shown to be reliable and valid, with good results from 228 participants.

SourceNorwegian University of Science and Technology·JournalSAGE Open·TypeObservational study·DateMar 29, 2023

Sox9 protein enables molecular time travel that can lead to colorectal cancer

Researchers found that cells in the colon undergo a type of molecular time travel, reverting back to an embryonic state and creating immature, non-functional cells that can form benign growths called adenomas. Blocking Sox9 in mouse models prevented adenoma formation and resulted in mature cell maturation.

SourceDana-Farber Cancer Institute·JournalScience Advances·DateMar 29, 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.

COVID-19 during pregnancy may increase obesity risk in children

Children born to mothers infected with COVID-19 during pregnancy may experience altered growth patterns and increased weight gain in early life, which can lead to a higher risk of obesity, diabetes, and cardiovascular disease. The study highlights the importance of long-term follow-up and prevention strategies for pregnant individuals.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMar 29, 2023

Ancient DNA reveals African and Asian ancestry of medieval Swahili people

Researchers have discovered that medieval Swahili people had both African and Asian ancestry, with DNA analysis revealing relationships between Asian merchants and African traders in the 9th-11th centuries. This new research provides a genetic framework for understanding the cultural changes associated with the adoption of Islam.

SourceUniversity of York·JournalNature·DateMar 29, 2023

Magnon-based computation could signal computing paradigm shift

EPFL researchers have discovered a way to store and process data using magnetic waves, potentially solving the issue of energy-hungry computing technology. This approach enables non-volatile storage within the same system, reducing the need for separate processors and memory storage.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·TypeExperimental study·DateMar 29, 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.

AI shows the need for healthier diets in long-term care homes

A new AI tool analyzed food consumption data from over 600 residents in long-term care homes, revealing a need for improved dietary habits. The study suggests that a diet rich in whole grains, plant-based proteins, and plain fruits and vegetables can help reduce inflammation and improve clinical outcomes.

SourceUniversity of Waterloo·JournalBMC Public Health·DateMar 29, 2023

Most of biological life appears to be either small (10-15g) or large (around 107g), though there is substantial uncertainty around body size and biomass across terrestrial, marine and subterranean species

According to a recent study, most biological life falls within these two extreme sizes, with substantial uncertainty surrounding body size and biomass across different environments. The research suggests that this pattern may be due to various factors such as energy efficiency and adaptability.

SourcePLOS·JournalPLOS ONE·DateMar 29, 2023

Energy-efficient and customisable inorganic membranes for a cleaner future

Researchers at NUS developed a new synthesis strategy for highly efficient inorganic membranes, offering maximum energy efficiency and customization. These freestanding membranes have the potential to transform industries beyond filtration and separation, including energy conversion, catalysis, and sensing.

SourceNational University of Singapore·JournalNature·DateMar 29, 2023

Hold your horseshoes: Paper shows shoeing improves gait quality

A study by UConn researchers found a significant improvement in shod horses, with better movement and reduced lameness scores. Shoeing with plain stamp shoes improved maximum hock angles and gait quality, indicating potential benefits for athletic performance.

SourceUniversity of Connecticut·JournalJournal of Animal Science·TypeExperimental study·DateMar 29, 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.

How whale shark rhodopsin evolved to see, in the deep blue sea!

Researchers at Osaka Metropolitan University discovered that whale shark rhodopsin can detect blue light, a common wavelength in the deep-sea environment. The unique adaptation allows the whale shark to thrive in low-temperature and low-light conditions, but also makes it less thermally stable.

SourceOsaka Metropolitan University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 29, 2023

Diagnostic errors in neuroradiology—more time, higher volume, weekend work

A large-scale study found that diagnostic errors in neuroradiology were associated with longer interpretation times and higher shift volumes. The study also revealed a significant increase in diagnostic errors during weekend work, highlighting the need for targeted quality improvement interventions.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·TypeImaging analysis·DateMar 29, 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.

Groundbreaking lymphoma tumor model paves way for new therapies

Researchers at Georgia Institute of Technology developed a synthetic tumor model to understand the impact of microenvironment on targeted therapies for Activated B Cell-like Diffuse Large B cell lymphoma. The model showed promise in demonstrating how combining therapeutics can overcome tumor resistance to inhibitors.

SourceGeorgia Institute of Technology·JournalNature Materials·TypeExperimental study·DateMar 29, 2023

Rapid genetic testing targets advanced prostate cancer patients for new treatments

A rapid genetic testing model identified pathogenic variants in 51 patients with advanced prostate cancer, leading to discussions of possible treatment changes for 22 patients. The streamlined approach detected actionable gene variants eligible for newer targeted therapies in nearly half of patients with these variants.

SourceWolters Kluwer Health·JournalThe Journal of Urology·DateMar 29, 2023

Ancient African empires’ impact on migration revealed by genetics

A new study led by UCL researchers found evidence of ancient empires' impact on migration in Africa, revealing genetic traces from across the continent. The study used DNA data from over 1,300 individuals from 150 ethnic groups, identifying migrations linked to empires like Kanem-Bornu and Aksum.

SourceUniversity College London·JournalScience Advances·DateMar 29, 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.

Chiral magnetic domain walls control the quantum anomalous hall effect

Recent studies using first-principles calculations and micromagnetic simulations have shown that chiral magnetic domain walls can coexist with the quantum anomalous Hall effect in specific materials, such as VSe2 and Fe2XI. This control enables precise manipulation of dissipationless chiral edge states.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalChinese Physics Letters·DateMar 29, 2023

How to protect the integrity of survey research: 12 recommendations

The article provides 12 recommendations to enhance the quality of surveys, including transparency, clarity, and correcting the record. The recommendations aim to address challenges in survey research, such as biased responses and inaccurate forecasts.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalPNAS Nexus·TypeCommentary/editorial·DateMar 28, 2023

Study: “Safer” PFAS in food packaging still hazardous

A recent study found that polymeric PFAS used in food packaging break down into toxic smaller molecules, contaminating food and the environment. The research contradicts claims that polymeric PFAS are harmless and poses a risk to human health.

SourceGreen Science Policy Institute·JournalEnvironmental Science & Technology Letters·DateMar 28, 2023
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Probe where the protons go to develop better fuel cells

A team led by Professor Yoshihiro Yamazaki from Kyushu University discovered the chemical innerworkings of a perovskite-based electrolyte developed for solid oxide fuel cells. By combining synchrotron radiation analysis, large-scale simulations, machine learning, and thermogravimetric analysis, they found that protons are introduced at...

SourceKyushu University·JournalChemistry of Materials·TypeExperimental study·DateMar 28, 2023

Drugs against drought

Scientists from CSIC and UPV create modified ABA receptor activated by iSB09 molecule, increasing drought tolerance in plants. The combination efficiently activates the ABA pathway, triggering adaptive mechanisms and reducing water loss.

SourceUniversitat Politècnica de València·JournalScience Advances·TypeMeta-analysis·DateMar 28, 2023

New Geology articles published online ahead of print

Researchers investigated life and death of a West Antarctica subglacial lake and found evidence for Caribbean plate subduction in southern Costa Rica. Additionally, studies examined oxygenation in Earth's oceans and explored the control of Cambrian paleotopography by Precambrian crustal-scale features.

SourceGeological Society of America·JournalGeology·DateMar 28, 2023

Study indicates that proactive patient education and recruitment can help improve lung cancer screening rates in the primary care setting

A proactive patient education/recruitment program, administered with a nurse navigator, identified 37.3% more eligible patients for low-dose computed tomography (LDCT) screenings for lung cancer. The program led to a 42% increase in LDCT prescriptions among willing and eligible patients.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 28, 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.

Extinction of steam locomotives derails assumptions about biological evolution

A team of paleontologists used the history of steam engines to test competitive exclusion theory, finding limited evidence supporting its role in extinction. The researchers analyzed data on tractive effort, revealing that newer engines generated more power, making steam locomotives less efficient and eventually obsolete.

SourceUniversity of Kansas·JournalRoyal Society Open Science·DateMar 28, 2023

Could changes in Fed’s interest rates affect pollution and the environment?

A new study by Florida Atlantic University suggests that monetary policy can impact pollution, with domestic effects being more significant than international spillovers. The research found that changes in the US Fed's interest rates can reduce CO2 emissions in the short run, but not necessarily in the long run.

SourceFlorida Atlantic University·JournalEnergy Economics·TypeData/statistical analysis·DateMar 28, 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.