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Science News Archive August 2023 - Page 26


Page 26 of 38

Novel mouse model may help to develop treatment for neurobrucellosis

Researchers have created a novel animal model to study the pathogenesis of neurobrucellosis, a severe complication of brucellosis. The model reveals that innate lymphoid cells and interferons play a crucial role in limiting brain damage during Brucella infection.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateAug 10, 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.

Johns Hopkins researchers develop gut-restricted drug to treat IBD

A new study demonstrates that a pill inhibiting a gut enzyme can protect mice from IBD symptoms and preserve intestinal barrier function. The experimental GCPII-inhibiting drug was shown to improve stool consistency, reduce rectal bleeding and inflammation, with no apparent side effects.

SourceJohns Hopkins Medicine·JournalScience Translational Medicine·DateAug 10, 2023

Global consortium creates large-scale, cross-species database and universal ‘clock’ to estimate age in all mammalian tissues

A global consortium of researchers has developed a large-scale, cross-species database and universal 'clock' to estimate age in all mammalian tissues. The study found that changes in DNA methylation levels are closely associated with life span and numerous other traits across mammals.

SourceUniversity of California - Los Angeles Health Sciences·JournalScience·TypeExperimental study·DateAug 10, 2023

Decarbonizing industry

The Energy Bootcamp, developed by Oak Ridge National Laboratory, aims to provide hands-on training for industrial plant managers to reduce carbon dioxide emissions. The program offers free software tools, diagnostic equipment, and expert guidance to help manufacturers decarbonize their facilities and improve cost savings.

SourceDOE/Oak Ridge National Laboratory·DateAug 10, 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.

Five-year trajectories of prescription opioid use

Most adults commencing treatment with prescription opioids had relatively low and time-limited opioid exposure over a 5-year period. Individuals with sustained or increasing use were older with more comorbidities, reflecting higher pain needs.

SourceJAMA Network·JournalJAMA Network Open·DateAug 10, 2023

Poverty alleviation breakthrough: How a switch to a 'growth mindset' empowers entrepreneurs in developing nations

A randomized controlled experiment found that growth mindset training significantly improved the confidence of entrepreneurs in Tanzania, leading them to take more action in applying new skills. This breakthrough has implications for entrepreneurship training and teaching more generally.

SourceBrigham Young University·JournalStrategic Entrepreneurship Journal·TypeExperimental study·DateAug 10, 2023

Bioengineered tool unmasks cancer cells

A biomolecule has been engineered to selectively target and remove mucins from cancer cells, reducing tumor growth and increasing survival in lab-grown human cancer cells and mouse studies. This discovery could play a significant role in future therapies for cancer, as mucins are associated with many diseases.

SourceStanford University·JournalNature Biotechnology·DateAug 10, 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.

Researchers unlock mystery of cartilage regeneration in lizards

A team of researchers from Keck School of Medicine of USC identified key cells involved in lizard cartilage regeneration and discovered their role in rebuilding cartilage damaged by osteoarthritis. They successfully induced cartilage building in a lizard limb by recreating a tail-like signaling environment.

SourceKeck School of Medicine of USC·JournalNature Communications·TypeExperimental study·DateAug 10, 2023

Indicator of PFAS found in some — but not all — period products

A study analyzed over 100 period products for the presence of per- and polyfluoroalkyl substances (PFAS), a category of compounds linked to negative health outcomes. The researchers found that while PFAS are absent from many products, they may be accidentally or intentionally added to others.

SourceAmerican Chemical Society·DateAug 10, 2023

Simple ballpoint pen can write custom LEDs

A team of researchers has created a simple and versatile fabrication approach for writing custom light-emitting diodes (LEDs) or photodetectors using handheld ballpoint pens. The new technology builds on earlier work, allowing individuals to create stretchable LEDs without specialized training or equipment.

SourceWashington University in St. Louis·JournalNature Photonics·DateAug 10, 2023

NIH zebrafish research included in US Postal Service’s “Life Magnified” stamps

The NIH zebrafish image was taken to study lymphatic vessel development in the brain and has led to a groundbreaking discovery that fish have lymphatic vessels inside their skull. This finding could expedite research into treatments for diseases affecting the human brain, such as cancer and Alzheimer's.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·TypeExperimental study·DateAug 10, 2023
Apple iPhone 17 Pro

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

A new mechanism encouraging the brain to self-repair after an ischemic stroke

Researchers from Tokyo Medical and Dental University discovered a new mechanism that stimulates brain-autonomous neural repair after ischemic stroke by secreting lipids. The mechanism involves PLA2G2E, which increases dihomo-γ-linolenic acid (DGLA) levels, promoting inflammation reduction and neuronal repair.

SourceTokyo Medical and Dental University·JournalNeuron·DateAug 10, 2023

Mechanism underlying bacterial resistance to the antibiotic albicidin revealed

A new study reveals that bacterial resistance to albicidin is caused by an increase in the number of copies of a specific gene, leading to up to a 1,000-fold increase in resistance. This discovery highlights the growing threat of antibiotic resistance and underscores the need for effective strategies to combat it.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateAug 10, 2023

Long COVID symptoms can emerge months after infection

A multicenter study found that long COVID symptoms can emerge months after infection and persist for at least a year in about 16% of cases. The study highlights significant impacts the epidemic has had on the US healthcare system and emphasizes the need for further research into post-COVID conditions.

SourceUniversity of California - San Francisco·JournalMMWR Morbidity and Mortality Weekly Report·DateAug 10, 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.

Red blood cell particles reduce fat deposition in arteries, potentially treating atherosclerosis

Researchers discovered that red blood cell particles can reduce fat deposition in arteries by inducing multiple changes in macrophages, including decreased inflammation and increased protection against oxidative damage. This finding offers potential new methods for treating atherosclerosis.

SourceNational University of Singapore, Yong Loo Lin School of Medicine·JournalJournal of Extracellular Vesicles·TypeExperimental study·DateAug 10, 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.

Researchers discover a potential application of unwanted electronic noise in semiconductors

A team of researchers has discovered a way to harness random telegraph noises in semiconductors, generating high-amplitude signals and manifesting inherent quantum states. By introducing vanadium into tungsten diselenide, they created a device that can switch between two stable states using voltage polarity.

SourceInstitute for Basic Science·JournalNature Electronics·TypeExperimental study·DateAug 10, 2023

New orally available drug for spinal cord injury found to be safe and tolerable in healthy participants

A new drug treatment, KCL-286, has demonstrated safety and tolerability in a Phase 1 clinical trial, promoting recovery through activating retinoic acid receptor beta (RARb) in the spine. Researchers are now seeking funding for a Phase 2a trial to study its effects in those with spinal cord injuries.

SourceKing's College London·JournalBritish Journal of Clinical Pharmacology·TypeRandomized controlled/clinical trial·DateAug 10, 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.

Zentropy and the art of creating new ferroelectric materials

Researchers at Penn State have developed zentropy theory to predict the behavior of ferroelectric materials. By integrating top-down statistical and bottom-up quantum mechanics, zentropy provides a quantitative prediction that can narrow down possibilities significantly, allowing for more efficient discovery and design.

SourcePenn State·JournalScripta Materialia·TypeExperimental study·DateAug 10, 2023

New recycling process could find markets for ‘junk’ plastic waste

A new recycling method reduces emissions by 60% and opens the door to reusing materials like plastic film, multilayer materials, and colored plastics. The technique recovers olefins from pyrolysis oil and uses them in a chemical process to convert into aldehydes and industrial alcohols.

SourceUniversity of Wisconsin-Madison·JournalScience·DateAug 10, 2023

Floral resources and ground covers can reduce pesticide use while maintaining fruit quality in apple orchards

Researchers found that introducing flowering components, aromatic ground covers, and extensification in orchard management increased natural enemies' abundance and decreased pest insects. Ground covers had the most positive effects on predators, while promoting floral resources and ecosystem-friendly strategies can reduce pesticide use.

SourceHun-Ren Ökológiai Kutatóközpont·JournalScience of The Total Environment·TypeMeta-analysis·DateAug 10, 2023

Community health program boosts child vaccinations in remote areas of Madagascar

A community-based health program implemented in Madagascar increased vaccination rates in the country's most remote villages. The study found that households with a Catholic or Protestant affiliation were more reluctant to vaccinate their children, highlighting the need to address these barriers in future programs.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalWorld Development·TypeData/statistical analysis·DateAug 10, 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.

HKUST researchers pioneers technique to self-assemble high-performance biomolecular films

A HKUST research team has developed a novel technique to self-assemble a thin layer of amino acids with ordered orientation, demonstrating high piezoelectric strength. The technique enables the production of biocompatible and biodegradable medical microdevices, such as pacemakers and implantable biosensors.

SourceHong Kong University of Science and Technology·JournalNature·TypeExperimental study·DateAug 10, 2023

Study ties fracking to another type of shaking

Researchers confirm fracking triggers tremors, which can be used to track fluid movement and monitor fault activity. This finding has implications for sustainability and climate science, as carbon sequestration through fracking may reduce atmospheric emissions.

SourceUniversity of California - Riverside·JournalScience·DateAug 10, 2023

Next-day effects of heavy drinking on young adults the focus of NIH grant

A two-year NIH-funded study led by Penn State associate research professor Ashley Linden-Carmichael examines the next-day effects of heavy drinking on young adults' daily cognitive functioning. The study will collect intensive self-reported data from 250 participants to explore the impact of alcohol use on memory and other cognitive fu...

SourcePenn State·DateAug 10, 2023

Common cold virus linked to potentially fatal blood clotting disorder

Researchers have discovered a link between adenovirus infection and an anti-platelet factor 4 disorder, which can cause severe thrombocytopenia. The condition is rare and potentially fatal, and has been reported in patients with viral symptoms and no exposure to heparin or vaccines.

SourceUniversity of North Carolina Health Care·JournalNew England Journal of Medicine·TypeCase study·DateAug 10, 2023
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.

New international guidelines will improve cystic fibrosis treatment

The new guidelines aim to ensure all individuals with cystic fibrosis have access to regular exercise testing and individualized exercise advice. The document provides comprehensive recommendations and instructions for health professionals, addressing inconsistencies in previous testing and promoting improved treatment outcomes.

SourceUniversity of Portsmouth·JournalEuropean Respiratory Review·TypeSurvey·DateAug 10, 2023

Effectiveness of video gameplay restrictions questioned in new study

A new study has questioned the effectiveness of China's legal restrictions on young people's video game time, analyzing over 7 billion hours of playtime data from tens of thousands of games. The research found no evidence of a decrease in heavy gaming after the restrictions were implemented.

SourceUniversity of York·JournalNature Human Behaviour·DateAug 10, 2023

Chloride ions from seawater eyed as possible lithium replacement in batteries of the future

Researchers at Worcester Polytechnic Institute discovered a new redox chemistry empowered by chloride ions for the development of seawater green batteries. This technology leverages abundant elements such as iron oxides and hydroxides, potentially repurposing iron rust waste materials for modern energy storage.

SourceWorcester Polytechnic Institute·JournalChemistry of Materials·TypeExperimental study·DateAug 10, 2023

Grassland fragmentation and plant invasion support generalist arthropods and might harm the specialist of forest steppes

Research found that grassland fragmentation and plant invasion support generalist arthropod species, but may harm specialist species adapted to forest steppes. Plant invasions, such as milkweed, alter microclimates and vegetation structure, affecting arthropod diversity.

SourceHun-Ren Ökológiai Kutatóközpont·JournalScience of The Total Environment·TypeObservational study·DateAug 10, 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.

Soil microbiome, Earth’s ‘living skin’ under threat from climate change

A novel approach to measuring microbial activity in wetted soil reveals clues about the vulnerability of biocrusts to climate change. The research found that active and inactive microorganisms differ in species richness and composition after being resuscitated by a simulated rain event.

SourcePenn State·JournalFrontiers in Microbiology·TypeObservational study·DateAug 10, 2023

Ribbons of graphene push the material’s potential

Researchers at Columbia University have developed a new fabrication technique to create devices with uniform twist angles and strain profiles in graphene. This allows for the systematic exploration of the material's properties and behavior, potentially leading to breakthroughs in quantum materials science.

SourceColumbia University·JournalScience·DateAug 10, 2023

Tattoo technique transfers gold nanopatterns onto live cells

Researchers have developed a proof-of-concept technique to attach nanomaterials to living tissue and cells using nanoimprint lithography. The method enables biocompatible integration of smart devices with living tissue, opening up opportunities for biohybrid materials, bionic devices and biosensors.

SourceAmerican Chemical Society·JournalNano Letters·DateAug 10, 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.

Study: fluidity predicts aggressiveness of cancerous tumors

Researchers developed tomoelastography, an imaging technique that maps tumor mechanical properties using MRI. Studies found consistent patterns between changes in tumor stiffness and increasing aggressiveness. The technique allows for precise measurement of tumor fluidity, enabling more accurate diagnoses and tailored treatment options.

SourceUniversität Leipzig·JournalAdvanced Science·TypeExperimental study·DateAug 10, 2023

NIST demonstrates a new ‘primary standard’ for measuring ultralow pressures

Scientists at NIST have validated a new approach to measuring extremely low gas pressures, called CAVS, which can serve as a primary standard. This technique uses a cold gas of trapped atoms to measure pressure and has been shown to be accurate and reliable for a wide range of applications.

SourceNational Institute of Standards and Technology (NIST)·JournalAVS Quantum Science·TypeExperimental study·DateAug 10, 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.

Threatened grey-necked rockfowl's habitat even smaller than expected, study finds

A new study has found a much smaller range of suitable habitat for the grey-necked rockfowl, a critically endangered African bird species, in Central Africa. The research suggests that changing the species' IUCN conservation status to Vulnerable could help prevent further land use damage.

SourceSan Diego Zoo Wildlife Alliance·JournalBird Conservation International·TypeData/statistical analysis·DateAug 10, 2023

Turning ChatGPT into a ‘chemistry assistant’

A new AI model, dubbed the 'ChatGPT Chemistry Assistant,' extracts relevant information from scientific papers on MOF syntheses. The tool predicts crystalline states of MOFs based on conditions extracted from texts.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateAug 10, 2023

Climate modeling reveals new insights into hominin migration and evolution

Researchers used climate modeling approaches to fill gaps in understanding hominin evolution and migration. Their studies found that extreme glacial conditions may have led to the depopulation of Europe and facilitated interbreeding between Denisovans and Neanderthals due to overlapping habitats.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateAug 10, 2023
Meta Quest 3 512GB

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

Research details perils of not being attractive or athletic in middle school

A new study by Florida Atlantic University found that adolescents who lack traits valued by peers are at risk for adjustment difficulties. The study revealed that low attractive youth and low athletic youth became increasingly unpopular over time, leading to subsequent increases in their loneliness and alcohol misuse.

SourceFlorida Atlantic University·JournalJournal of Youth and Adolescence·TypeSurvey·DateAug 10, 2023

New research shows genetic mutation known for Alzheimer’s disease is associated with higher fertility in women

A new study found that Tsimane women with the APOE-ε4 allele had an increase of 0.5 births and shorter interbirth intervals, allowing them to have about half an additional child. This advantageous effect on fertility could help explain why the allele persists despite negative effects in later life.

SourceUniversity of California - Santa Barbara·JournalScience Advances·DateAug 10, 2023

UC Irvine biologists find what colors a butterfly’s world

A team of UCI biologists has identified a gene change that causes different sex-differentiated vision in butterflies. The study, published in Proceedings of the National Academy of Sciences, reveals that a single gene's jump onto a sex chromosome is responsible for this phenomenon.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateAug 10, 2023

A climate-orchestrated early human love story

A recent study reveals that past climate changes and vegetation shifts played a key role in determining when and where early human species interbred. The research suggests that the overlap of habitats led to increased encounters and interactions among groups, increasing the chance of interbreeding.

SourceInstitute for Basic Science·JournalScience·DateAug 10, 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.

An unexpected way to upcycle: Plastic waste transforms into soap

A team of researchers at Virginia Tech has developed a new method for upcycling plastics into high-value chemicals used in soap production. By heating and cooling polyethylene, they break down the long carbon chains into short-chain waxes that can be converted into fatty acids and soap.

SourceVirginia Tech·JournalScience·DateAug 10, 2023