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Science News Archive October 2021 - Page 4


Page 4 of 40

Lower antibiotic resistance in intestinal bacteria with forgotten antibiotic

A study published in The Lancet Infectious Diseases found that temocillin was effective in treating febrile urinary tract infections with fewer resistant bacteria. Temocillin acts specifically against E. coli and other intestinal bacteria, reducing the risk of treatment failure.

SourceLinköping University·JournalThe Lancet Infectious Diseases·TypeRandomized controlled/clinical trial·DateOct 28, 2021

Survivor salmon that withstand drought and ocean warming provide a lifeline for California chinook

Late-migrating juvenile spring-run Chinook salmon of California’s Central Valley have a survival advantage during droughts and ocean warming due to their ability to grow in cool-water habitats. The study highlights the importance of secure habitats for fish to survive difficult conditions, emphasizing the need for reintroduction to sav...

SourceNOAA Fisheries West Coast Region·JournalNature Climate Change·TypeObservational study·DateOct 28, 2021

From slurry to high-purity hydrogen

A new process for decentralized hydrogen production has been developed, using chemical-looping to produce high-purity hydrogen directly from biogas. The technology is now ready for commercial use and could make hydrogen production more competitive with other methods.

SourceGraz University of Technology·TypeCase study·DateOct 28, 2021
Meta Quest 3 512GB

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

The GIST scientists confirm horse riding as a viable mobility treatment for cerebral palsy

A study by GIST scientists found that physical interaction between children with cerebral palsy and horses improves motor skills and balance. The research team recorded horse and child movements, tracking acceleration and angular velocity to quantify interactions, which were linked to improved outcomes.

SourceGIST (Gwangju Institute of Science and Technology)·JournalJournal of NeuroEngineering and Rehabilitation·TypeExperimental study·DateOct 28, 2021

UTA study: Feedback, goal-setting improve attention

Researchers found that receiving feedback produces a stronger effect on sustaining attention than setting specific goals. Combining both goal-setting and feedback significantly improves attention and motivation. In contrast, incentives have little impact on task engagement or performance.

SourceUniversity of Texas at Arlington·JournalJournal of Experimental Psychology·DateOct 28, 2021

Cleveland Clinic study links gut microbiome and aggressive prostate cancer

Researchers found diet-associated molecules in the gut are associated with aggressive prostate cancer, linking them to higher levels of metabolites like phenylacetylglutamine and nutrients choline and betaine. The study's findings may have clinical implications for diagnosing and preventing lethal prostate cancer.

SourceCleveland Clinic·JournalCancer Epidemiology Biomarkers & Prevention·DateOct 28, 2021
Apple iPhone 17 Pro

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

Increasing sediment flux from rivers in High Mountain Asia poses regional risks

A new study reveals that rivers in High Mountain Asia have experienced significant increases in sediment flux over the past 60 years, with projected doubling of sediment flow by 2050 under extreme climate change. This change has far-reaching implications for hydropower generation and environmental security in the region.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 28, 2021

"Immortality protein" fires up the cell's power plants

Researchers have discovered that increasing Telomerase Reverse Transcriptase in mitochondria improves mitochondrial function and reduces damaged area after a heart attack. This leads to better recovery of cardiac function and protection against cell death.

SourceHeinrich-Heine University Duesseldorf·JournalCirculation·TypeExperimental study·DateOct 28, 2021

An application to monitor people at risk of psychosis

A new application allows for daily monitoring of psychotic symptoms in people at risk, enabling adapted medical follow-up and identification of triggers. The study, published in Schizophrenia Research, used an app to assess 86 individuals with microdeletion of chromosome 22q11.2, finding it a reliable tool for monitoring symptoms.

SourceUniversité de Genève·JournalSchizophrenia Research·TypeNews article·DateOct 28, 2021

New ribosome-targeting antibiotic acts against drug-resistant bacteria

A new study reveals that iboxamycin effectively fights both gram-negative and gram-positive drug-resistant bacteria in mouse models. The researchers discovered the molecular mechanism that allows this drug to overcome resistance, which is important for developing new antibiotics.

SourceUniversity of Illinois Chicago·JournalNature·TypeExperimental study·DateOct 28, 2021

Postmenopausal women may benefit from estrogen compound research

Researchers have identified a novel estrogen compound that provides benefits similar to hormone replacement therapy but without the risk factors associated with it. The compound has been shown to reduce excess lipid deposition in the liver and prevent the progression of fibrosis, which can lead to liver failure and metabolic problems.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalNutrients·TypeExperimental study·DateOct 28, 2021
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.

Effects of meteorological factors and airmass movements on airborne pollen in Betula wetland in Xinjiang

Airborne pollen concentrations in Betula microphylla-dominated wetland of Ebinur Lake, Xinjiang, are influenced by meteorological factors such as temperature, precipitation, wind speed, and direction. The study found that airborne pollen composition corresponds to local vegetation and reflects long-distance transported pollen taxa.

SourceScience China Press·JournalScience China Earth Sciences·DateOct 28, 2021

Countermarketing based on anti-smoking campaigns reduces buying of sugary ‘fruit’ drinks for children

A University of Washington study finds that countermarketing campaigns based on anti-smoking tactics decrease the buying of sugary 'fruit' drinks for children. The campaign effectively reduced virtual purchases by 31% and significantly lowered trust in fruit drink brands among participating Latinx parents.

SourceUniversity of Washington·JournalAmerican Journal of Public Health·TypeRandomized controlled/clinical trial·DateOct 28, 2021

Satellite images show positive impact of conservation efforts for China's coastal wetlands

Satellite images reveal a substantial increase in saltmarsh area and stable trends of tidal flat areas after 2012, driven by decreased anthropogenic activities and increased conservation and restoration efforts. Conservation efforts have positively impacted China's coastal wetlands, mitigating the loss of these important ecosystems.

SourceUniversity of Oklahoma·JournalNature Sustainability·DateOct 28, 2021
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.

Brain monitoring suggests common link between electrical tremors and mental health disorders

A review of current literature found irregular brain responses to challenging tasks and mistakes may be key to understanding links between abnormal behaviors in mental illness and cognitive disorders. Studies suggest that people with conditions like anxiety, OCD, and ADHD have different brain waves following mistakes compared to health...

SourceKing's College London·JournalBiological Psychiatry·TypeLiterature review·DateOct 28, 2021

Wearable device could reduce racial disparities in blood measurements

Researchers at the University of Texas at Arlington have developed a non-invasive wearable device that can accurately measure hemoglobin levels, reducing racial disparities in blood tests. The device uses spectroscopic properties to estimate hemoglobin, showing better accuracy and consistency than current methods.

SourceUniversity of Texas at Arlington·DateOct 28, 2021

NIH researchers identify how two people controlled HIV after stopping treatment

Researchers found that one person relied on high levels of immune cells to control the virus, while another used strong neutralizing antibodies. This study may lead to the development of new treatments to help people with HIV put the virus into remission without taking lifelong medication.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNature Medicine·DateOct 28, 2021

Pasqal announces new machine learning protocol for comparing complex graph-based data on quantum systems

Pasqal has published a paper in the APS Physics journal presenting a new machine learning protocol called Quantum Evolution Kernel (QEK) for measuring similarity between graph-structured data on quantum computers. QEK is stable against detection error and comparable to state-of-the-art graph kernels on classical systems.

SourceHKA Marketing Communications·JournalPhysical Review A·TypeComputational simulation/modeling·DateOct 28, 2021
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.

Potential new treatment for COVID-19 identified

Researchers have discovered a potential new treatment for COVID-19 by targeting the pentose phosphate pathway, which is necessary for SARS-CoV-2 replication. The study found that inhibiting this pathway with benfooxythiamine suppresses viral replication and reduces virus production.

SourceUniversity of Kent·JournalMetabolites·TypeExperimental study·DateOct 28, 2021

For less than $10, anyone can now get up close and explore single cells in VR

A team of scientists developed a free VR tool called singlecellVR, allowing users to explore single-cell datasets in VR. The program is built on previous advancements and enables users to visualize their own precomputed data directly from commonly used single-cell analysis tools.

SourceFrontiers·JournalFrontiers in Genetics·TypeComputational simulation/modeling·DateOct 28, 2021

25 km high-resolution climate system model reproduces tropical cyclone activities better

A new high-resolution climate system model has improved the accuracy of simulating tropical cyclones, capturing more realistic features and reducing biases. The model's performance was evaluated using the CAS FGOALS-f3-H model, which showed excellent results in depicting global TC activities.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalGeoscientific Model Development·DateOct 28, 2021
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.

Development of precision focused ultrasound surgery technology destructing only the desired tissues

Researchers have developed a new technique to precisely fractionate biological tissue using pressure-modulated shockwave histotripsy, overcoming the shock scattering effect in existing focused ultrasound technology. This technology enables real-time cavitation analysis and shorter treatment times.

SourceNational Research Council of Science & Technology·JournalUltrasonics Sonochemistry·DateOct 28, 2021

Inclusion of small, sharp landscape contrasts refines weather forecasts

Environmental engineers at Duke University demonstrated that sharp contrasts in small landscape features refine local weather developments and influence climate trends. The study suggests that incorporating detailed data can improve forecast accuracy.

SourceDuke University·JournalJournal of Advances in Modeling Earth Systems·TypeComputational simulation/modeling·DateOct 28, 2021
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.

Dialysis patients benefit from a third Covid vaccination dose

A recent study suggests that dialysis patients can benefit from a third Covid-19 vaccination dose. Researchers examined 23 dialysis patients who had shown a reduced vaccination response after two doses and found that most developed high antibody titers and killer cell responses against the Sars-Cov-2 coronavirus after a third dose.

SourceRuhr-University Bochum·JournalKidney International·TypeExperimental study·DateOct 28, 2021

Jewish autistic pupils thrive as bilingual learners, after communities reject advice “not to teach Hebrew”

A University of Cambridge study found that Jewish autistic children who learn Hebrew as a second language benefit from their cultural identity and community involvement. Parents and teachers rejected outdated professional advice, instead teaching pupils Hebrew to enhance their spiritual and family life.

SourceUniversity of Cambridge·JournalJournal of Autism and Developmental Disorders·DateOct 27, 2021

Polar bear diet may indicate prey distribution changes due to climate shifts

Researchers found polar bears can be used as indicators of environmental shifts, highlighting how changes affect marine mammal prey populations. They also discovered that polar bears are flexible eaters and will consume available prey, making them an ideal monitoring tool for tracking environmental changes.

SourceYork University·JournalEcological Indicators·DateOct 27, 2021
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.

Infections from respiratory viruses follow a predictable seasonal pattern, researchers find

Researchers identified a clear-cut seasonal pattern in respiratory viruses, with peaks in January and lows in June, affecting hospital admissions. The study found that babies born in severe peak years were more likely to be infected and hospitalized, highlighting the importance of planning ahead for high seasons of illnesses.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalJAMA Network Open·DateOct 27, 2021

A heart that beats (almost) like our own

Researchers at the University of Iowa found that the fruit fly's head-heart beats much like a human's, driven by an automatic muscle contraction and relaxation. This rhythmic pulsation generates hemolymph flow to the antennae and may help keep the brain clean.

SourceUniversity of Iowa·JournalJournal of Experimental Biology·TypeObservational study·DateOct 27, 2021

Does playing high school football lead to increased risk of suicide later in life?

A new study published in Clinical Journal of Sport Medicine found that playing high school football is not associated with an increased risk of suicidal ideation or depression in young adulthood. In contrast, mental health difficulties in adolescence were strongly related to suicidality in young adulthood.

SourceWolters Kluwer Health·JournalClinical Journal of Sport Medicine·DateOct 27, 2021
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.

The Lancet Global Health: Treatment of COVID-19 with fluvoxamine reduces risk of prolonged hospitalization, finds largest trial to date

The largest trial to date shows that fluvoxamine treatment for high-risk outpatients with early-diagnosed COVID-19 reduces the need for prolonged observation or hospitalization. The study found an absolute reduction in risk of prolonged hospitalization and a relative risk reduction of 32% compared to the control group.

SourceThe Lancet·JournalThe Lancet Global Health·TypeRandomized controlled/clinical trial·DateOct 27, 2021

UBCO researchers examine how e-cigarette users quit

A UBCO study published in the Journal of Medical Internet Research found that negative health experiences and withdrawal symptoms are major barriers to quitting e-cigarettes. Gradual reduction methods, including tapering nicotine concentration and using distraction techniques, were preferred by over 65% of quitters.

SourceUniversity of British Columbia Okanagan campus·JournalJournal of Medical Internet Research·TypeExperimental study·DateOct 27, 2021
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.

Why roots don’t grow in the shade

Plants redirect resources from root growth to stem development when shaded, limiting yields and biomass. Researchers discovered key genes involved in this process, including WRKY proteins and ethylene signaling.

SourceCold Spring Harbor Laboratory·JournalPLANT PHYSIOLOGY·DateOct 27, 2021

Taking the pulse of flies

A study by Champalimaud Centre for the Unknown found that fruit fly hearts accelerate when in danger and slow down during freezing, a behavior previously thought to be energy-saving. This unexpected result suggests an entirely new mechanism at play in flies' cardiac responses.

SourceChampalimaud Centre for the Unknown·JournalCurrent Biology·DateOct 27, 2021

New research NETs a fresh angle for treating severe inflammation

Researchers at Boston Children's Hospital propose using an existing drug to prevent NET formation, which can lead to severe inflammation in conditions like COVID-19, sepsis, and ARDS. The study shows that ricolinostat inhibits histone deacetylases, reducing NET formation and inflammation.

SourceBoston Children's Hospital·JournaliScience·DateOct 27, 2021

Bone mineral density decreases less than expected after menopause

A new study from the University of Eastern Finland found that postmenopausal women experience a significant decrease in bone mineral density, but at a lower rate than previously assumed. Women who received hormone replacement therapy and those with weight gain during follow-up showed minimal bone loss.

SourceUniversity of Eastern Finland·JournalJournal of Bone and Mineral Research·DateOct 27, 2021
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.

Astronomers discover massive galaxy 'shipyard' in the distant universe

Astronomers have discovered a massive galaxy protocluster, believed to be a 'galaxy shipyard', in the distant universe. The discovery provides insights into galaxy cluster formation and sheds light on the process of galaxies forming into clusters.

SourceUniversity of Arizona·JournalAstronomy and Astrophysics·TypeObservational study·DateOct 27, 2021

Not all acne is equal: scientists reveal strains of C. acnes that promote skin health

A new study reveals that certain strains of Cutibacterium acnes (C. acnes) found on healthy skin can prolong the lifespan of Caenorhabditis elegans and help its innate immune system fight against Staphylococcus aureus. RNA sequencing analysis also shows these beneficial strains activate genes related to innate immunity.

SourceOsaka City University·JournalMicrobiology Spectrum·TypeExperimental study·DateOct 27, 2021

People may prefer climate change policies that give incentives, find energy alternatives

Participants preferred policies that used incentives to encourage eco-friendly choices, particularly when they targeted businesses. In contrast, policies that focused on energy alternatives and used incentives were also supported. The researchers found that policy support was influenced by the type of change targeted, who was targeted,...

SourcePenn State·JournalJournal of Environmental Psychology·TypeObservational study·DateOct 27, 2021
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.

Picomolar antimalarial agent from a Chinese medicinal plant

Researchers at Shanghai Institute of Materia Medica have isolated and characterized seven novel dimeric sesquiterpenoids with potent antimalarial activities. The most potent compound, Shizukaol A, exhibits an EC50 value 1000-fold more active than artemisinin.

SourceScience China Press·JournalScience China Chemistry·DateOct 27, 2021

Industry must prepare now for a new world of green electricity

The University of Leeds research highlights the need for industry to adopt new technologies that can manufacture materials using renewable electricity. This is crucial to achieving net zero emissions targets by 2050, as current steel and aluminium manufacturing capacities pose a significant barrier to this goal.

SourceUniversity of Leeds·JournalCurrent Opinion in Environmental Sustainability·TypeData/statistical analysis·DateOct 27, 2021

Likely lower risks of adverse pregnancy outcomes from SARS-CoV-2 than previously feared

A national study in Sweden suggests that the risk of adverse pregnancy outcomes from SARS-CoV-2 is likely lower than previously feared. The study found that infants born to test-positive mothers had a higher risk of neonatal care and preterm birth, but no significant difference in stillbirths or low Apgar scores.

SourceKarolinska Institutet·JournalBJOG An International Journal of Obstetrics & Gynaecology·TypeObservational study·DateOct 27, 2021
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.

A lab in the sky: Physics experiment in Earth’s atmosphere could help improve GPS performance

Researchers conducted a controlled radar wave experiment to monitor plasma waves and control wave modes in the ionosphere, which can help improve GPS accuracy during space weather events. The study published in Nature Communications provides new diagnostics for temperature, density, magnetic field, and ion composition.

SourceUniversity of Strathclyde·JournalNature Communications·TypeExperimental study·DateOct 27, 2021