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Science News Archive 2021 - Page 76


Page 76 of 510

ASU professor examines new developments in mapping tribal displacement

A first-of-its-kind data synthesis examines indigenous displacement and land dispossession in the US, shedding light on historical context and future solutions. The analysis, published in Science magazine, highlights the need for more inclusive perspectives to address ongoing critical issues affecting Native American communities.

SourceArizona State University·JournalScience·TypeData/statistical analysis·DateOct 28, 2021

Trapping molecules to find new physics

Researchers at the University of Groningen have successfully trapped molecules of strontium fluoride, setting a new record for molecular trapping. This achievement is significant because it allows scientists to investigate the fundamental laws of the universe, including the asymmetry between matter and anti-matter.

SourceUniversity of Groningen·JournalPhysical Review Letters·TypeExperimental study·DateOct 28, 2021

New Curtin study solves energy storage and supply puzzle

A Curtin University study has found a simple and affordable way to test which chemicals are best used to store and supply energy, solving the puzzle of energy storage and supply. The breakthrough method can be performed in a basic lab with minimal equipment, producing full charges that last for at least four days.

SourceCurtin University·JournalJournal of the American Chemical Society·TypeExperimental study·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.

How many children don’t eat lunch on school days in Canada? A new study documents the gaps of current school food programs

A recent study published by the University of Ottawa found that over 1 in 20 Canadian children do not eat lunch on school days, with older kids and those from food-insecure households being the most affected. The study also reveals that children living in food-insecure households are twice as likely to miss lunch compared to their peers.

SourceUniversity of Ottawa·JournalJournal of Hunger & Environmental Nutrition·DateOct 28, 2021

Technology’s impact on worker well-being

A new study by Georgia Institute of Technology researchers found that automation and AI may have a uniformly positive impact on worker well-being, but only partially. The results show that workers facing automation risk experience less stress but worse health and minimal job satisfaction. Notably, high-risk occupations like receptionis...

SourceGeorgia Institute of Technology·JournalTechnology in Society·TypeData/statistical analysis·DateOct 28, 2021

Severe asthma symptoms worsen when treated with psoriasis medicine, study finds

A new study published in the New England Journal of Medicine found that a psoriasis medicine worsened symptoms in patients with severe asthma. The trial tested risankizumab, an injectable treatment for psoriasis, and showed it did not improve asthma symptoms, but rather made them worse.

SourceUniversity of Leicester·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateOct 28, 2021

Juno peers deep into Jupiter’s colorful belts and zones

Jupiter's banded pattern extends deep beneath the clouds, and the appearance of its belts and zones inverts near the base of the water clouds. The planet's microwave emissions reveal a transition zone between five and 10 bars, where the zones become bright and the belts dark.

SourceUniversity of Leicester·JournalJournal of Geophysical Research Planets·TypeObservational study·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.

Smartphone sensing platform provides early warning for lung cancer and ketosis/diabetes

A new smartphone-based platform detects biomarkers for lung cancer and ketosis/diabetes using fluorescent nanoprobes. The platform provides early warning and visual detection of biomarkers in exhaled breath or blood, offering a convenient and potential method for preliminary monitoring and clinical diagnosis.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAnalytical Chemistry·DateOct 28, 2021

COVID-19 death, adverse outcomes in patients with, without cancer

A study of over 500,000 COVID-19 patients found those with cancer who received anticancer treatment before diagnosis were at higher risk of intensive care unit admission and hospitalization. Patients without recent cancer treatment had similar or better outcomes than those without cancer.

SourceJAMA Network·JournalJAMA Oncology·DateOct 28, 2021

How the ozone hole influences Antarctic Ice

Researchers studied ozone depletion's impact on iodine concentrations in Antarctic ice cores, revealing a sharp reduction from 1975 to 2012. The decrease can be attributed to stratospheric ozone concentration loss, leading to increased UV radiation and altered geochemical cycles.

SourceUniversità Ca' Foscari Venezia·JournalNature Communications·DateOct 28, 2021

Hypoxia imaging and combination therapy aid immunotherapy treatment of solid tumors

Researchers at the University of Alabama at Birmingham have developed a method to identify non-responding tumors using hypoxia imaging, which shows promise for improving response rates. Investigational new drug evofosfamide was found beneficial in treating hypoxic tumors with immunotherapy.

SourceUniversity of Alabama at Birmingham·JournalClinical Cancer Research·TypeExperimental study·DateOct 28, 2021
Celestron NexStar 8SE Computerized Telescope

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

Durable and yet degradable

A team of researchers at the University of Konstanz has developed a new method for producing polyethylene with added polar groups, which enhances its degradability while maintaining its durability. The new plastic exhibits slow chain degradation in simulated sunlight, unlike conventional polyethylenes.

SourceUniversity of Konstanz·JournalScience·DateOct 28, 2021

Poor parents receiving universal payments increase spending on kids

A Washington State University study found that low- and middle-income parents increased their spending on education, clothing, recreation, and electronics for their children after receiving lump sum payments. In contrast, high-income parents showed no significant increase in child-related expenditures.

SourceWashington State University·JournalSocial Forces·TypeData/statistical analysis·DateOct 28, 2021

Specific form of autism identified, hallmarked by “neurons with too many synapses”

A study published in Nature Communications identifies a specific form of autism caused by an excessive number of synapses in the cerebral cortex, potentially guiding the development of future treatments. The research found that inhibiting mTOR protein activity can restore synaptic function and connectivity.

SourceIstituto Italiano di Tecnologia - IIT·JournalNature Communications·TypeExperimental study·DateOct 28, 2021

New simulation model helps with COVID-19 planning in world’s largest refugee settlement

Academics developed an agent-based model to simulate COVID-19 spread in Cox's Bazar refugee settlement, finding mask-wearing highly effective in slowing the spread. The study suggests that handling positive cases in isolation has little impact compared to home isolation for individuals with mild symptoms.

SourceDurham University·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateOct 28, 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.

Blue is the clue to evaluating diabetic retinopathy

Researchers from Tokyo Medical and Dental University have developed a non-invasive imaging technique using blue light to identify areas affected by diabetic retinopathy. The study found that blue images obtained through multicolor widefield scanning laser ophthalmoscopy (SLO) can reveal hyporeflective areas indicative of damage associa...

SourceTokyo Medical and Dental University·JournalAsia-Pacific Journal of Ophthalmology·DateOct 28, 2021

Making machine learning more useful to high-stakes decision makers

A new visual analytics tool, Sibyl, was developed to help child welfare specialists understand machine learning predictions. The tool uses bar graphs to show how specific factors of a case contribute to the predicted risk that a child will be removed from their home within two years.

SourceMassachusetts Institute of Technology·DateOct 28, 2021

After California’s 3rd-largest wildfire, deer returned home while trees were ‘still smoldering’

Researchers tracked black-tailed deer before, during, and after the Mendocino Complex Fire, finding that all 18 deer survived. Despite burned areas with no vegetation, most deer returned home within hours, potentially due to their loyalty to habitat. However, some deer's body condition declined as they expanded their range.

SourceUniversity of Washington·JournalEcology and Evolution·TypeObservational study·DateOct 28, 2021
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.

Increased cognitive demands offset low-back exoskeleton advantages, research finds

A new study published in Applied Ergonomics found that the cognitive demands of wearing a low-back exoskeleton can hinder its mechanical advantages, offsetting benefits in reducing spine loading. The researchers used ambulatory brain imaging and connectivity analysis to demonstrate how increased cognitive response to tasks can cancel o...

SourceTexas A&M University·JournalApplied Ergonomics·TypeNews article·DateOct 28, 2021

Reducing vessel activity key to southern resident killer whale survival

A new Simon Fraser University study found that reducing vessel activity is crucial for the survival of endangered West Coast southern resident killer whales. The research suggests that these whales spend most of their time foraging in the absence of ships and boats to meet their daily energy needs.

SourceSimon Fraser University·JournalMarine Pollution Bulletin·DateOct 28, 2021

Gene signature identifies drivers of treatment resistance in metastatic breast cancer

A genetic signature has been discovered that can identify drivers of poor outcomes in advanced estrogen-receptor positive (ER+) breast cancer. The signature detects the presence of mutations and translocations in the ER gene that confer tumor independence from estrogen, making it resistant to current therapies.

SourceBaylor College of Medicine·JournalCancer Research·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.

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
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.

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

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
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.

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
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.

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

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
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.

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

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
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.

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

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
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.

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

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