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Science News Archive 2021 - Page 105


Page 105 of 510
Apple iPhone 17 Pro

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

Colorblind fish show experts how vision evolved

New research in zebrafish reveals the genetic mechanisms behind blue and green color vision loss in human ancestors. By studying gene editing tools and genome sequencing, experts understand how genes are regulated to detect different light wavelengths.

SourceUniversity of Tokyo·JournalScience Advances·TypeExperimental study·DateOct 7, 2021

Stem cells and their role in lung transplant rejection

Researchers identified specific mesenchymal stromal cells within the bronchovascular bundle of lungs that play a crucial role in creating scarring through interaction with epithelial cells. These cells are thought to be triggered by immune cell attacks, leading to fibrotic scarring and rejection.

SourceMichigan Medicine - University of Michigan·JournalJournal of Clinical Investigation·DateOct 7, 2021

New images lead to better prediction of shear thickening

Shear thickening occurs when particles in a low-viscosity solution behave like a solid under stress. Researchers at North Carolina State University captured microscopic images of particles as they underwent shear thickening, revealing complex networks formed between particles and their shapes dependent on particle roughness.

SourceNorth Carolina State University·JournalPhysical Review Letters·TypeImaging analysis·DateOct 7, 2021

The Hidden US COVID-19 Pandemic: Orphaned children – more than 140,000 US children lost a primary or secondary caregiver due to the COVID-19 pandemic

A new study reveals that more than 140,000 US children under age 18 lost a primary or secondary caregiver due to the COVID-19 pandemic. The study shows racial and ethnic disparities in caregiver deaths, with children of minorities accounting for 65% of those who lost a primary caregiver.

SourceNIH/National Institute on Drug Abuse·JournalPEDIATRICS·DateOct 7, 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.

Poor oral health may impact COVID-19 severity, especially for cardiac patients

A study published by the American College of Cardiology found a significant inverse relationship between oral health and COVID-19 severity, as well as delayed recovery and increased inflammation in patients with cardiovascular diseases. Researchers recommend maintaining good oral hygiene to prevent or decrease COVID-19 disease severity.

SourceAmerican College of Cardiology·DateOct 7, 2021

Ancient river delta reveals past water flow in Mars’ Jezero crater

The Perseverance rover's images of the Martian river delta reveal a steady flow of water into an ancient lake about 3.7 billion years ago. The analysis also identifies promising rock layers that could preserve traces of life, if it ever existed on Mars.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 7, 2021

Fire tests show that Austria's tunnels are fit for electric cars

Fire tests in Austrian tunnels found that e-vehicles pose a lower risk than conventional cars. However, multistorey car parks and commercial vehicles like e-buses and e-trucks require further investigation. The results provide reassurance for tunnel safety.

SourceGraz University of Technology·TypeCase study·DateOct 7, 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.

Fast and easy detection of amyloid through a fluorescence fingerprinting approach

Researchers at Tokyo University of Agriculture and Technology developed a simple and rapid method to detect amyloid protein in bovine livers using fluorescence fingerprint analysis. This approach allows for quick processing and accurate detection of AA amyloidosis, potentially leading to more efficient diagnostic tools for this disease.

SourceTokyo University of Agriculture and Technology·JournalJournal of Veterinary Diagnostic Investigation·TypeExperimental study·DateOct 7, 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.

Planned home birth presents little risk where midwifery is well-integrated

A recent study analyzing over 10,000 community births in Washington state between 2015 and 2020 found that planned home births with licensed midwives are as safe as births at a licensed birth center. The research team discovered no increased risk for parents or babies associated with the birth setting.

SourceUniversity of British Columbia·JournalObstetrics and Gynecology·TypeData/statistical analysis·DateOct 7, 2021

Sweet corn yield gain over 80 years leaves room for improvement

Over an 80-year period, marketable ear mass in sweet corn hybrids grown at high densities increased by 2.85 tons per acre, while fresh kernel mass and recovery showed minimal changes. Modern hybrids were found to be more suitable for growth at high densities due to their compact plant architecture.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalFrontiers in Plant Science·DateOct 7, 2021

Percutaneous image-guided microwave and cryoablation for lung sarcoma

A retrospective cohort study of 27 patients with sarcoma lung metastases found high primary technical success rates for percutaneous image-guided microwave and cryoablation. The treatment modality and tumor location did not affect local progression, and smaller tumors showed lower cumulative incidence of local progression.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·TypeObservational study·DateOct 7, 2021

Lung maintains long-term memory of COVID infection

A study published in Science Immunology found that the lung and lymph nodes of COVID survivors store the memory of the infection, which can provide long-term protection against reinfection. The discovery has important implications for designing and administering vaccines to target immune cells in these tissues.

SourceColumbia University Irving Medical Center·JournalScience Immunology·TypeExperimental study·DateOct 7, 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.

Research shows promising results for Parkinson's disease treatment

Researchers at Carnegie Mellon University have found a way to make deep brain stimulation (DBS) more precise, resulting in therapeutic effects that outlast what is currently available. The new protocol uses short bursts of electrical stimulation to target specific neuronal subpopulations, providing longer-lasting benefits.

SourceCarnegie Mellon University·JournalScience·TypeRandomized controlled/clinical trial·DateOct 7, 2021

A concrete solution

A new kind of concrete made from recycled waste materials could significantly reduce the industry's carbon footprint. The calcium carbonate concrete uses captured carbon dioxide and discarded concrete to create a durable and versatile building material.

SourceUniversity of Tokyo·JournalJournal of Advanced Concrete Technology·TypeExperimental study·DateOct 7, 2021

Air pollution caused 1.1 million deaths across Africa in 2019, new study finds

A new study finds that air pollution is responsible for 1.1 million deaths across Africa in 2019, with household air pollution accounting for 700,000 fatalities. The study also reveals that air pollution is costing African countries billions in gross domestic product and hindering the intellectual development of children.

SourceBoston College·JournalThe Lancet Planetary Health·TypeData/statistical analysis·DateOct 7, 2021

Stem cell population identified that is key for bone regeneration

A subpopulation of mesenchymal stem cells expressing CD73 has been identified as crucial for bone regeneration, displaying enhanced proliferation and differentiation capabilities. This subgroup promotes fracture healing by forming new cartilage and bone cells, contributing to the remodeling process.

SourceUniversity of Tsukuba·JournalBone Reports·DateOct 7, 2021
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.

Childhood asthma study uncovers risky air pollutant mixtures

Researchers developed a novel machine learning algorithm to identify previously unknown air pollutant mixtures linked to poor asthma outcomes in children. The study found that early exposure to individual and mixed pollutants can lead to longer-term problems with asthma, affecting about seven percent of US children.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Clinical Investigation·TypeData/statistical analysis·DateOct 7, 2021

Extinct ground sloth likely ate meat with its veggies

A new study led by the American Museum of Natural History suggests that the extinct ground sloth Mylodon was an omnivore, contrary to previous assumptions. The researchers analyzed amino acid nitrogen values in fossil samples to determine their diet, finding evidence of meat consumption.

SourceAmerican Museum of Natural History·JournalScientific Reports·TypeExperimental study·DateOct 7, 2021

Stress in earth’s crust determined without earthquake data

Researchers create novel approach to map stress orientation in the Earth's crust using nonlinear elastic behavior and rock properties. This technique provides valuable insights into continental regions with limited historical geologic information.

SourceDOE/Los Alamos National Laboratory·JournalCommunications Earth & Environment·DateOct 7, 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.

Monetary incentives increase COVID-19 vaccinations

A study found that modest monetary payments increased COVID-19 vaccination rates by 4.2 percentage points, but behavioral nudges had no significant impact on actual vaccination uptake. The results highlight the potential of monetary incentives to increase vaccine take-up, particularly in countries with high baseline vaccination rates.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 7, 2021

Ranking of European cities with highest mortality due to lack of green space

A study by the Barcelona Institute for Global Health found that 62% of Europeans live in areas with less than recommended green space, leading to 42,968 premature deaths. The study suggests that European cities should focus on reclaiming urban land for green spaces and implementing nature-based solutions.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalThe Lancet Planetary Health·TypeData/statistical analysis·DateOct 7, 2021

History of alcohol offenses associated with higher suicide risk for men who bought handguns

Men with a history of alcohol charges have more than twice the risk of suicide when purchasing handguns, according to new research. The study also found that recent and repeat alcohol charges were associated with the greatest risk of suicide, suggesting that reducing firearm access or addressing alcohol use could help mitigate this risk.

SourceUniversity of California - Davis Health·JournalPreventive Medicine·DateOct 7, 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.

Balanced dopamine signaling for healthy learning and memory

Researchers found that a balance between dopamine D2 receptors and RGS is crucial for normal long-term memory formation. An imbalance in these molecules is thought to contribute to the development of schizophrenia and dystonia.

SourceNational Institutes of Natural Sciences·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateOct 7, 2021

Oregon State microbiology research furthers understanding of ocean’s role in carbon cycling

The study tracks ocean microbes consuming different types of organic carbon produced by phytoplankton species, revealing predictable food source preferences. The findings have implications for understanding marine microbes and photosynthetic algae's impact on global carbon cycling.

SourceOregon State University·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateOct 7, 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.

A peptide-drug conjugate that targets the acidic environment of cancer cells may improve the efficacy of immunotherapy

A peptide-drug conjugate called CBX-12 has been shown to enhance the efficacy of immune checkpoint inhibitors in preclinical cancer models by targeting the acidic environment of cancer cells. The treatment exhibited significantly delayed tumor growth, improved survival, and complete tumor regressions compared to immunotherapy alone.

SourceAmerican Association for Cancer Research·DateOct 7, 2021

Characteristics associated with high performance in Medicare’s ESCO initiative to improve care for patients with kidney failure

An analysis of Medicare's Comprehensive ESRD Care Initiative found that factors like leaner operations, organizational experience, and community resources contribute to successful performance. The study aims to inform healthcare providers and policymakers in developing value-based payment models for kidney care.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateOct 7, 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.

Peanut consumption: Potential benefits in young and healthy people

A study published in Clinical Nutrition Journal found that daily peanut consumption improved cognitive function and stress response in young and healthy individuals. The researchers discovered that bioactive compounds such as resveratrol and p-coumaric acid, as well as short-chain fatty acids, contributed to the health effects.

SourceUniversity of Barcelona·JournalClinical Nutrition·TypeRandomized controlled/clinical trial·DateOct 7, 2021

How mussels make a powerful underwater glue

Researchers at McGill University have discovered how blue mussels fabricate underwater adhesives in just 2-3 minutes. The adhesive is created by mixing metal ions with fluid proteins, and its unique properties make it ideal for use in wet environments such as surgical or dental treatments.

SourceMcGill University·JournalScience·DateOct 7, 2021

Hair analysis shows: Meditation training reduces long-term stress

A study found that meditation training reduced chronic stress by 25% through decreased cortisol levels in hair. The researchers used a 9-month training programme to measure the effect, and the results showed that only sufficiently long training leads to significant stress-reducing effects.

SourceMax Planck Institute for Human Cognitive and Brain Sciences·JournalPsychosomatic Medicine·TypeExperimental study·DateOct 7, 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.

Do increased minimum wages matter to consumers?

A recent study analyzing online reviews of restaurants found that increased minimum wages lead to better customer perceptions of service quality. The research suggests that higher wages contribute to improved employee performance and reduced negative feedback.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·TypeData/statistical analysis·DateOct 7, 2021

Researchers simulate an acute decline in exercise, as many experienced during COVID19 lockdowns, to study its metabolic consequences

A team of researchers simulated the loss of physical activity during COVID19 lockdowns to study its effects on metabolism. They found that mice's energy sources shifted based on their diet composition after a sharp decline in exercise, leading to weight gain.

SourceBen-Gurion University of the Negev·JournalPhysiological Reports·TypeExperimental study·DateOct 6, 2021
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Cancer costs US more than $156 billion, with drugs a leading expense

A study by Penn State researchers reveals that care for the 15 most prevalent types of cancer in the US costs approximately $156.2 billion in 2018, with medication expenses accounting for the largest share. Breast cancer incurred the most services and procedures, followed by colorectal cancer.

SourcePenn State·JournalJAMA Network Open·DateOct 6, 2021

Common chemicals in electronics and baby products harm brain development

A recent study published in Environmental Health Perspectives found that exposure to low levels of organophosphate esters can harm brain development in children, affecting IQ, attention, and memory. The chemicals, used as flame retardants and plasticizers in electronics and baby products, have been widely misassumed to be safe.

SourceGreen Science Policy Institute·JournalEnvironmental Health Perspectives·TypeCommentary/editorial·DateOct 6, 2021

Key role neuropsychological assessment plays in rehabilitation after neurological injury or disease

International experts discuss the clinical and therapeutic applications of neuropsychological assessment, highlighting its contributions to neurorehabilitation and cognitive performance. The articles explore performance validity testing, teleneuropsychology, and the nexus of neuropsychology and neuroimaging.

SourceIOS Press·JournalNeuroRehabilitation An International Interdisciplinary Journal·TypeMeta-analysis·DateOct 6, 2021
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.

COVID-19 risk in fully vaccinated individuals with substance use disorders

A recent study found that fully vaccinated individuals with substance use disorders have a significantly higher risk of breakthrough COVID-19 infection compared to the general population. The study, published in World Psychiatry, revealed that patients with cocaine and cannabis use disorder had the highest risks.

SourceWiley·JournalWorld Psychiatry·DateOct 6, 2021

‘Living medicine’ created to treat drug-resistant infections

Researchers at CRG and Pulmobiotics have created the first 'living medicine' to treat antibiotic-resistant bacteria growing on medical implants. The experimental treatment successfully treated infections across in vitro, ex vivo, and in vivo testing methods.

SourceCenter for Genomic Regulation·JournalMolecular Systems Biology·TypeExperimental study·DateOct 6, 2021

Neurobiologists identify widely used assembling and stabilizing forces behind brain synapses

Scientists at the University of California San Diego have discovered that planar cell polarity is a widely used mechanism for forming and maintaining glutamatergic synapses. The study found that Prickle protein plays a crucial role in stabilizing these synapses, which are essential for neuronal communication.

SourceUniversity of California - San Diego·JournalScience Advances·TypeExperimental study·DateOct 6, 2021