Add BrightSurf on Google Email

Science News Archive 2021 - Page 181


Page 181 of 510

Biosensors: Transforming the diagnosis of infections in newborns

Researchers review advancements in biosensing technologies for neonatal sepsis diagnosis, highlighting the need for faster and more accurate methods. Biosensors offer a promising solution, detecting multiple parameters simultaneously with high sensitivity and accuracy.

SourceShoolini University·JournalClinica Chimica Acta·TypeExperimental study·DateAug 9, 2021

Switched on IR-active organic pigments

Researchers developed a modular organic molecular system with customizable properties, creating a potent dye that absorbs light in the near-infrared range. The pigments' electronic switchability makes them suitable for studying electron transfer in photosynthesis and as efficient electron-transporting materials.

SourceWiley·JournalAngewandte Chemie·TypeExperimental study·DateAug 9, 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.

Brain structure in premature babies linked to emotional processing in preschool

New research published in eNeuro found that premature babies' brain connections at birth can predict their future emotional and social development. The study discovered a link between the strength of the uncinate fasciculus, a white matter tract involved in emotional regulation, and emotion moderation skills in preschoolers.

SourceSociety for Neuroscience·JournaleNeuro·DateAug 9, 2021

Slam the door shut: Improving building energy by evaluating building airflow

Scientists from Incheon National University identified interzonal airflow across household entrance doors as a dominant factor in calculating heating loads. They found that strong stack effect and weather-driven airflow rates were larger than external infiltration rates, making conventional airtightness measures unreliable.

SourceIncheon National University·JournalRenewable and Sustainable Energy Reviews·TypeExperimental study·DateAug 9, 2021

What to call seafood made from fish cells

A new Rutgers study suggests that food companies use the terms "cell-based" or "cell-cultured" when labeling seafood products made from fish cells. The study found that both terms meet FDA regulations and help consumers understand the production process, while also recognizing potential allergens.

SourceRutgers University·JournalJournal of Food Science·DateAug 9, 2021

A novel implement of CPML for second-order acoustic wave equations

Researchers develop a new unsplit complex frequency-shifted perfectly matched layer (UCF-PML) method for simulating second-order acoustic wave equations. The TS-CPML implementation outperforms conventional CPML in terms of absorbing efficiency, leading to more accurate seismic wavefield simulations.

SourceScience China Press·JournalScience China Earth Sciences·DateAug 9, 2021
Apple iPhone 17 Pro

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

Youth, the pandemic and a global mental health crisis

A new study found that depression and anxiety symptoms have doubled in children and adolescents globally during the pandemic. The study recommends prioritizing recovery planning now to mitigate sustained mental health effects.

SourceUniversity of Calgary·JournalJAMA Pediatrics·TypeMeta-analysis·DateAug 9, 2021

Birds’ eye size reflects habitat and diet, may predict sensitivity to environmental change

A study reveals that birds' eye size reflects their environment, diet, and behavior, providing insights into conservation efforts. The research suggests that larger eyes are associated with closer proximity to the equator and foraging habits near the forest floor.

SourceFlorida Museum of Natural History·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateAug 9, 2021

Earthquake forecasts move a step closer to reality

Scientists aim to develop computer models that can forecast earthquake chances and impact, like weather forecasting. The project will also train students and researchers from diverse backgrounds to work on computational geoscience.

SourceUniversity of Texas at Austin·DateAug 9, 2021

SARS-CoV-2 infection among maternal-infant pairs in Ontario, Canada

A recent study found SARS-CoV-2 infection among maternal-infant pairs to be extremely rare in early infancy. The findings suggest that while transmission is uncommon, continued monitoring and vaccination efforts are necessary to protect newborns from COVID-19 and its variants.

SourceJAMA Network·JournalJAMA Network Open·DateAug 9, 2021

Study identifies molecule that stimulates muscle-building in humans

Researchers found that consuming dileucine enhances the metabolic processes driving muscle growth, resulting in a 42% increase in protein synthesis. In contrast, leucine alone showed no significant impact on protein breakdown, highlighting the molecule's potential as a signaling agent for muscle-building pathways.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Applied Physiology·TypeRandomized controlled/clinical trial·DateAug 9, 2021
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

New animations breathe life into complex scientific concepts

The new animations create a visual representation of cell respiration, showcasing the breakdown of glucose and release of energy. The animations were built using cutting-edge scientific discovery and research, including models from X-ray crystallography and molecular dynamics simulation.

SourceWalter and Eliza Hall Institute·DateAug 9, 2021

Green hydrogen: Why do certain catalysts improve in operation?

Researchers discovered that certain catalyst materials, such as erythrite, improve in performance over time due to restructuring. This process increases the surface area of the material, allowing for more reactions to occur, resulting in higher oxygen yields and doubled electrical current generation.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalAdvanced Energy Materials·DateAug 9, 2021

Why nanoparticles could prove a game changer for cancer immunotherapy

Researchers have identified promising avenues for targeted nanoparticles in cancer immunotherapy, specifically targeting the tumor microenvironment. By activating dendritic cells and macrophages, nanoparticles can relieve hypoxia and change the state of an immunosuppressive TME to immunosupportive.

SourceKeAi Communications Co., Ltd.·JournalBioactive Materials·DateAug 9, 2021

New research reinforces impact men can have as gender equality allies in the workplace

New research published in Social Psychological and Personality Science reveals that men who express support for gender equality can significantly reduce women's anticipation of workplace harassment and hostility. The presence of an ally also increases feelings of identity-safety, such as a sense of belonging and trust in the group.

SourceSociety for Personality and Social Psychology·JournalSocial Psychological and Personality Science·DateAug 9, 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.

Climate change ‘double whammy’ could kill off fish species

Warming oceans are causing fish to struggle with both survival and adaptation, leading to potential extinction. The research found that warmer waters reduce the size of fish, making it harder for them to relocate to more suitable environments, and also limit their ability to evolve and cope with changing temperatures.

SourceUniversity of Reading·JournalNature Climate Change·TypeData/statistical analysis·DateAug 9, 2021

Exploring the limits of light–matter coupling at the nanoscale

Researchers have explored the limits of light-matter coupling at the nanoscale, discovering a fundamental physical limit to subwavelength confinement. The study reveals that as light is concentrated into smaller volumes, its interaction with matter changes in ways that cannot be predicted by classical theories.

SourceETH Zurich Department of Physics·JournalNature Photonics·TypeExperimental study·DateAug 9, 2021

Vaping just once raises oxidative stress levels in nonsmokers, increasing disease risk

A new UCLA study found that even one vaping session can significantly increase cellular oxidative stress in healthy younger nonsmokers. The researchers discovered a two- to four-fold increase in oxidative stress levels after a 30-minute vaping session, highlighting the alarming effects of e-cigarettes on young people's health.

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Pediatrics·TypeRandomized controlled/clinical trial·DateAug 9, 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.

'Cool' kids in the cosmos may not be so unique

Researchers at Rice University found that cool stars have dynamic surface behaviors influencing their magnetic environments and planetary habitability. This study suggests that small stars share similar properties with the sun, enabling predictions for exoplanet conditions.

SourceRice University·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateAug 9, 2021

The burden of the COVID-19 pandemic may contribute to outbreaks of violent protest and antigovernment sentiment

Research suggests COVID-19 pandemic fuels antisystemic attitudes and motivations for political violence, with no correlation to peaceful activism. The study found that in the US, those experiencing higher psychological burden were more likely to engage in violence during Black Lives Matter protests.

SourceAssociation for Psychological Science·JournalPsychological Science·TypeExperimental study·DateAug 9, 2021

Women underrepresented in CV clinical trials despite inclusivity requirements

Despite guidelines and legal requirements, women remain underrepresented in cardiovascular clinical trials, limiting treatment data on cardiovascular disease. Research shows that women respond differently to drugs than men, highlighting the need for sex-specific data in optimal care.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateAug 9, 2021

Spotting — and hearing — heart attacks before they strike

Researchers developed a new imaging technique that uses light and sound to detect plaques in arteries, potentially preventing strokes and heart attacks. The technique uses nanoparticles that absorb light and emit sound waves, allowing doctors to visualize the plaques in a non-invasive way.

SourceMichigan State University·JournalAdvanced Functional Materials·DateAug 9, 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.

New in Ethics & Human Research, July-August 2021

The article considers the ethical issues surrounding enrolling children with neurodevelopmental conditions, such as autism spectrum disorder and fragile X syndrome, in clinical trials. Parents may face difficult decisions about whether to enroll their children due to concerns about potential loss of positive aspects of their condition.

SourceThe Hastings Center·JournalIRB Ethics and Human Research·TypeContent analysis·DateAug 9, 2021

UBCO technology paves way towards personalized antibiotic therapy

Researchers developed a microwave sensor to measure antibiotic resistance, reducing wait times and costs. The sensor can detect bacterial growth variations before visible cues, allowing for fine-tuned antibiotic dosing.

SourceUniversity of British Columbia Okanagan campus·JournalScientific Reports·TypeComputational simulation/modeling·DateAug 9, 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.

How Galápagos finches evade a parasitic fly

Researchers found medium tree finch nests with high parasite survival rates, while hybrid finches had lower rates. Nestling behaviour also predicted naris deformation due to vampire fly parasitism.

SourceFlinders University·JournalScientific Reports·TypeObservational study·DateAug 9, 2021

Inspired by barnacles, medical glue stops bleeding in seconds

Researchers at Mayo Clinic and MIT have developed a rapid-sealing paste that can stop bleeding from organs without clotting. The paste works like barnacles, exuding an oil matrix to clean the surface and repelling moisture, before applying a protein that cross-links with tissue molecules.

SourceMayo Clinic·JournalNature Biomedical Engineering·DateAug 9, 2021

Undersea rocks yield earthquake clues

A University of Delaware study of ocean rocks has informed earthquake science by understanding the properties of underwater faults and their impact on seismic activity. Researchers have found that seawater infiltration in these faults weakens the rock, allowing it to flow faster and potentially reducing the risk of large earthquakes.

SourceUniversity of Delaware·JournalNature Geoscience·DateAug 9, 2021

New research lifts the lid on cardiac microvascular dysfunction and could help many patients with unexplained heart disease

A new study found that 44% of micro-arteries from patients had abnormal myogenic tone, associated with excessive caldesmon presence and poor cell alignment. This abnormality affects blood supply within the heart and other organs, impacting quality of life and life expectancy.

SourceUniversity of Bristol·JournalCardiovascular Research·TypeObservational study·DateAug 9, 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.

Prisons and COVID-19

The study found COVID-19 incidence was significantly higher in Massachusetts prisons operating at a higher percentage of their capacity. In contrast, prisons with more single-cell housing had lower infection rates.

SourceJAMA Network·JournalJAMA Internal Medicine·DateAug 9, 2021

Crowding in prisons increases inmates’ risk for COVID-19 infections

Researchers at Massachusetts General Hospital found that crowding in prisons significantly increases the risk of COVID-19 infections among inmates. The study suggests that policy changes are necessary to protect this vulnerable population and notes that even a small increase in crowding can pose a significant threat.

SourceMassachusetts General Hospital·JournalJAMA Internal Medicine·TypeObservational study·DateAug 9, 2021

Adolescents’ tobacco and nicotine use: Differential associations among racial and ethnic groups

A new study by the Prevention Research Center found that California's T21 law has positive public health effects on adolescent tobacco and nicotine use. The law is associated with reduced use among students from diverse racial and ethnic backgrounds, particularly among Hispanic and Asian youth.

SourcePacific Institute for Research and Evaluation·JournalTobacco Control·TypeData/statistical analysis·DateAug 9, 2021

COVID-19 News from Annals of Internal Medicine

Rates of COVID-19 hospitalizations, ICU admissions, and in-hospital deaths peaked in December 2020 among adults aged 65+, males, and Hispanic or non-Hispanic Black persons. Effective therapeutics use increased while invasive interventions waned, suggesting clinical practice evolved based on increasing knowledge.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateAug 9, 2021

How wildfire restored a Yosemite watershed

Decades of fire suppression have eliminated valuable wildlife habitat, but allowing lightning fires to burn has restored a resilient ecosystem with increased plant and pollinator biodiversity. This approach also limits the severity of wildfires and increases water availability during droughts.

SourceUniversity of California - Berkeley·JournalEnvironmental Research Communications·TypeLiterature review·DateAug 9, 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.

Urgent global need for low-cost ventilators

A UK team developed a portable ventilator to treat COVID-19 patients in developing countries. The Field Ventilator can be used beyond COVID-19 to treat various respiratory diseases and patients needing respiratory support.

SourceStaffordshire University·JournalHealth Science Reports·TypeData/statistical analysis·DateAug 9, 2021

What happens when bats are given three choices?

In a study published in Animal Behaviour, Claire Hemingway found that fruit-eating bats prefer two over one option, but are swayed by the third choice. This suggests that diet and environment play a significant role in shaping their decision-making processes.

SourceSmithsonian Tropical Research Institute·JournalAnimal Behaviour·TypeExperimental study·DateAug 9, 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.

Researchers design 3D kirigami building blocks to make dynamic metamaterials

Scientists have developed 3D kirigami building blocks to create complex, dynamic structures with tunable mechanical properties. The modular approach allows for easy assembly and disassembly of the structures, enabling users to alter their mechanical properties as needed.

SourceNorth Carolina State University·JournalAdvanced Functional Materials·TypeExperimental study·DateAug 9, 2021

Study outlines factors that help engage nonresident fathers in child welfare efforts

A recent study by North Carolina State University highlights key factors that facilitate engaging nonresident fathers in child welfare efforts. The study found that social service providers who work with male social workers and incorporate specific values and mindsets into their practice can effectively engage fathers.

SourceNorth Carolina State University·JournalResearch on Social Work Practice·TypeSurvey·DateAug 9, 2021
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Salt marsh resilience compromised by crabs along tidal creek edges

A long-term study in Elkhorn Slough found that superabundant crabs weaken tidal creek banks, reducing marsh plant growth and increasing erosion. Reducing crab abundance led to increased salt marsh vegetation growth and enhanced sediment density.

SourceUniversity of California - Santa Cruz·JournalEcosphere·TypeExperimental study·DateAug 9, 2021

Research plots a downward spiral in southern Murray-Darling Basin water availability

Research in the southern Murray-Darling Basin has found a downward spiral in water availability, driven by accelerated changes in climate. Since the 1990s, cool season rainfall and river heights have significantly decreased due to increased evaporation and changed precipitation patterns.

SourceUniversity of Technology Sydney·JournalScientific Reports·TypeData/statistical analysis·DateAug 9, 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.

Arthritis diagnosed before or during peak reproductive years may curb men’s fertility

Research found that men diagnosed with inflammatory arthritis before their peak reproductive years have lower fertility rates, fewer pregnancies, and poor sperm quality compared to those diagnosed at older ages. Inflammatory arthritis is linked to male infertility, erectile dysfunction, and insufficient testosterone production.

SourceBMJ Group·JournalAnnals of the Rheumatic Diseases·TypeObservational study·DateAug 9, 2021

Innovative coating for blood vessels reduces rejection of transplanted organs

Researchers have developed a special polymer to coat blood vessels on transplanted organs, reducing rejection rates in mice by substantially diminishing immune system response. The breakthrough has the potential to eliminate the need for drugs that prevent organ rejection and improve transplant outcomes.

SourceUniversity of British Columbia·JournalNature Biomedical Engineering·TypeExperimental study·DateAug 9, 2021

Why middle-class residents want to stay put after floodwaters recede

A new study from Rice University finds that middle-class people who made plans to stay in their neighborhoods before flooding are less likely to relocate even if they suffered significant damage. Long-term planning and social pressure played a key role in residents' decisions to stay or leave flooded homes.

SourceRice University·JournalSocial Problems·TypeSurvey·DateAug 9, 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.