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Science News Archive October 2022


Page 27 of 37

Predicting risk of aneurysm rupture

Aneurysms occur when blood vessel thins and expands, leading to increased stress on walls and rising rupture probability. The new model uses computed tomography scans to reconstruct geometry and blood flow patterns.

Past the breaking point

Researchers from the University of Tokyo simulated fracture in amorphous solids to better understand material fatigue. They found that the critical strain for irreversible deformation is the same for both fatigue and monotonic fractures.

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.

Thirdhand smoke can trigger skin diseases

A UC Riverside-led study found that acute THS exposure initiates mechanisms of inflammatory skin disease and elevates urinary biomarkers of oxidative harm. The researchers discovered elevated molecular biomarkers in blood associated with early-stage activation of contact dermatitis, psoriasis, and other skin conditions.

Second patient to receive a first-of-its-kind surgery

A landmark surgery using stem cells has been performed on a fetus with spina bifida, aiming to repair the defect before birth. The surgery was successful, and the baby was born healthy with no significant complications.

Team uses digital cameras, machine learning to predict neurological disease

A team of researchers used digital cameras and machine learning algorithms to develop a system that can predict gait dysfunctions in people with multiple sclerosis and Parkinson's disease. The study revealed that several algorithms were over 75% accurate at detecting differences between those with the conditions and those without.

Deaths following childbirth in sub-Saharan Africa underestimated

A new analysis found that women in sub-Saharan Africa continue to face a higher risk of death following childbirth beyond the standard 42-day postpartum limit. The research, published in The Lancet Global Health, suggests that this risk remains elevated until around four months after childbirth.

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.

Development of a potential microRNA medicine against KRAS mutant cancers

A chemically modified microRNA, miR-143#12, has been developed to target KRAS mutant cancers, demonstrating potent antiproliferative activity against colon cancer cell lines and significant tumor growth inhibition in mouse models. The microRNA suppresses the expression of key genes in the KRAS signaling network, inducing cell death at ...

Mental health issues in quarantined cruisers

The study found anxiety, insomnia, and depression were prevalent mental health issues among quarantined individuals. Around 70% of mental health issues resolved with brief counseling sessions, highlighting the need for targeted support in disaster responses.

Broccoli gas: A better way to find life in space

Researchers find that airborne chemical methyl bromide is a compelling indicator of biological activity on other planets. Its detectability increases around M dwarf stars, making it an attractive target for future missions to search for extraterrestrial life.

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.

Properties of ‘baby talk’ similar across many languages

Research finds that certain features of 'baby talk' such as pitch, melody, and articulation rates have consistent properties across most world languages. However, the exaggeration of vowel sound differences varies significantly between languages. As infants develop language skills, IDS gradually becomes more similar to adult speech style.

Making tumor diagnosis kinder to kidneys

Researchers develop molecular trick to detach radioactive substance from drug, allowing it to be excreted in urine. This approach enables efficient detection of tumors while minimizing harm to kidneys.

Home sensors can detect opioid withdrawal signs at night

A Washington State University pilot study showed that home sensors can accurately monitor overnight restlessness and sleep problems in people recovering from opioid use disorder. The sensors matched other monitoring methods about 89% of the time, validating patients' concerns about their disturbed sleep.

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.

Monoclonal antibody improves cat allergen immunotherapy

A new approach to allergy treatment has shown promise in reducing symptoms of allergic rhinitis by 36% after just one year of treatment. The combination of a monoclonal antibody with cat allergy shots was found to be more effective than allergy shots alone in providing long-lasting symptom relief.

New characterization methods developed to identify light elements

Physicists have introduced a new technique for 3D nanoscale elemental analysis using ion-electron microscope systems, improving resolution to 15 nanometres and detecting hard-to-characterise elements like hydrogen and lithium. This device can be retrofitted to existing focused ion beam systems, optimizing the characterisation workflow.

Eye care research informs major WHO report

A new study reveals less than half of people over 50 worldwide have received spectacles or contact lenses needed to correct refractive error. The World Health Organisation aims to increase treatment coverage by 40 percentage points by 2030.

Apple iPhone 17 Pro

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

Old drugs offer new ways of treating bowel cancer

Researchers at the University of Auckland have found that combining older drugs can greatly enhance effectiveness in treating bowel cancer. The study identifies two existing drugs, axitinib and pyrvinium, which target different pathways involved in cancer development.

Rapid eye movements during sleep reveal the dreams of mice

Researchers have discovered that rapid eye movements during REM sleep can provide insight into the mechanism behind dreaming in mice. The study found that head direction cells continue to work during sleep, allowing scientists to measure the mouse's dreams for the first time.

The new compound that destroys the MRSA superbug

Scientists at the University of Bath have discovered a novel polyamine that destroys MRSA superbug Staphylococcus aureus by disrupting its cell membrane, rendering it susceptible to antibiotics. The compound is also effective against biofilm and has shown promise as a potential new treatment option for antibiotic-resistant infections.

New way to make new species

Researchers from University of Konstanz discovered a new species of cichlid fishes in Nicaraguan crater lake Xiloá through genetic hybridization. The hybrids exhibit transgressive traits and occupy a unique ecological niche, outcompeting parental species for food resources.

Chromosome-scale genome of a gentle giant

Researchers have completed and released a chromosome-scale genome sequence of the Aldabra giant tortoise, providing a much-needed genetic resource for rescue efforts. The data will aid in breeding efforts, comparative studies with other tortoise species, and understanding the species' remarkable size.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

New insights on the genetic underpinnings of the vocal tract

A study using 3D MRI in 632 monozygotic and dizygotic twins found that genetic and environmental factors interact to shape the vocal tract, with some structures having low heritability. The results provide new evidence on the relative contributions of genetics and environment to anatomical differences among people.

Medical history may help predict autism in young children, researchers find

A new study developed machine learning models to assess connections among hundreds of clinical variables and predict the likelihood of autism spectrum disorder in young children. The models used de-identified insurance claim data to identify risk factors and quantify their association with autism. This approach has promising potential ...

Nuclear fusion: A new solution for the instability problem

A research team has found a novel operating regime that prevents destructive plasma instabilities in fusion reactors, allowing for the controlled injection of particles at the plasma edge. This approach could lead to a more stable and efficient fusion reactor design.

Researchers discover new multicellular bacteria species

Researchers have isolated a novel bacterial species, HS-3, that displays complex multicellular behavior and a reversible two-phase life cycle. The discovery reveals a previously unknown mechanism for the emergence of multicellularity in bacteria, suggesting that environmental factors played a crucial role.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

The future of marine biodiversity under global warming

A recent study by researchers at MARUM and ICBM found that plankton communities have migrated to higher latitudes since the last ice age, leading to the formation of new species assemblages. These changes occurred even after ocean temperatures stabilized, suggesting a non-uniform response to global warming.

Topological materials become switchable

Researchers have successfully switched on and off topological states in a material, exploiting the interaction of electrons to manipulate their behavior. The discovery opens up new possibilities for technical applications, including quantum computers and sensor technology.

UTD engineers join initiative to tackle hardware trojans

Researchers aim to improve detection and removal of hardware trojans, which can disrupt wireless communication and leak sensitive information. The project is part of a public-private partnership aiming to accelerate the translation of research findings into new technologies.

Tracking down satiety mechanisms in the stomach

Researchers at Leibniz-Institut für Lebensmittel-Systembiologie an der TU München discovered that casein digestion produces peptides with a satiating effect, stimulating gastric acid secretion via bitter receptors. This mechanism may help regulate food intake and maintain a healthy body weight.

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.

AI that can learn patterns of human language

Researchers from McGill University and MIT developed an AI system that can learn the rules and patterns of human languages on its own. The model automatically generates higher-level language patterns that can be applied to different languages, achieving better results.

Surface enhanced Raman scattering monitoring tumor photodynamic therapy

Scientists developed a new method using surface-enhanced Raman scattering (SERS) to monitor the effects of photodynamic therapy on tumor cells. The method, which involves Au@CDs cascade nanozymes, enables real-time monitoring of reactive oxygen species (ROS) levels in the tumor microenvironment.

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.

Learning about the first animals on Earth from life at the poles

New research suggests that the first animals on Earth could have evolved earlier than previously thought. Polar marine creatures' survival strategies might hold clues to understanding this phenomenon. The study examines the evolution of life in extreme cold and icy periods, with implications for our understanding of animal origins.

New CRISPR-Cas approach permits more precise DNA cleavage

A new CRISPR-Cas approach, SpRYgests, allows for precise DNA cleavage at any sequence, expanding the utility of molecular cloning approaches. This innovation simplifies and expedites DNA editing and has potential clinical implications.

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.

The results of dyslexia diagnosis depend on the tests used

A study published in the Journal of Speech, Language and Hearing Research found that children with dyslexia often perform well on simple phonological tests, but struggle with more complex tasks. The researchers suggest that these more complex tests better predict a child's risk of dyslexia.

Health of coral reefs written in the sand - and visible via satellite

Geoscientists at the University of Sydney have created a method to assess the health of coral reefs from space by analyzing sand aprons. The research reveals that sand aprons can be used to predict carbonate sediment productivity, with significant declines detected in recent years, indicating potential effects of climate change.

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.

Skin-stretching device shows promise for closing large scalp wounds

A new skin-stretching device called EASApprox has been successfully used to treat large scalp defects in 12 patients, providing enough skin for direct closure using sutures or gradual healing. The procedure showed good functional and cosmetic results with acceptable scarring and no serious complications.

How genetics influences our body weight beyond the genes

Researchers have identified microRNA-7 as a non-classic genetic risk factor for hereditary obesity. The molecule affects energy balance and appetite regulation in humans and mice, highlighting the need to examine non-genetic factors in gene-based studies. This discovery may lead to new therapeutic approaches for treating obesity.

Meta Quest 3 512GB

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

Engineers weave advanced fabric that can cool a wearer down and warm them up

Researchers developed a fabric with nano-scale threads containing phase-change materials to regulate body temperature. The textile combines electrothermal and photothermal coatings for enhanced thermal regulation. It has the potential to alleviate heat or cold stress in workers and travelers, offering improved comfort and safety.

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.

Brain cells identified for regulation of sleep-wake rhythm

A research team has identified a specific cell group in the brain that regulates shifts in the sleep-wake rhythm caused by psychostimulants. The hypothalamic dopamine locus is responsible for modulating circadian rhythms and gates the effect of psychostimulants, leading to increased alertness and activity.