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Science News Archive 2021 - Page 99


Page 99 of 510

Antioxidants to prevent Alzheimer's disease

Researchers found an early indicator of Alzheimer's disease is an oxidation-antioxidant imbalance in the blood. Oxidative markers increase up to five years before the onset of the disease, suggesting a potential avenue for prevention through antioxidant intake.

SourceInstitut national de la recherche scientifique - INRS·JournalAlzheimer s & Dementia Diagnosis Assessment & Disease Monitoring·DateOct 12, 2021
Apple iPhone 17 Pro

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

Can an already approved drug treat Alzheimer’s disease?

Researchers discovered that bumetanide, a 30-year-old diuretic, reverses signs of Alzheimer's disease in mice and human brain cells. The study also found that people over 65 who took bumetanide were less likely to develop Alzheimer's disease.

SourceGladstone Institutes·JournalNature Aging·DateOct 12, 2021

Arctic Ocean's 'last ice area' may not survive the century

A new study warns that the Arctic Ocean's 'Last Ice Area,' a region where summer ice traditionally persists, may not survive the century. The study predicts that under high-emissions scenarios, summer ice will disappear by 2100, displacing creatures such as seals and polar bears.

SourceColumbia Climate School·JournalEarth s Future·TypeMeta-analysis·DateOct 12, 2021

Sex matters when it comes to immune responses against infection and disease, study shows

A University of Alberta-led study found that anemia can generate different immune responses in males versus females, making females more prone to infections. The research highlights the importance of considering sex as a variable in prevention, diagnostic, and therapeutic strategies for immune-related conditions.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalFrontiers in Immunology·DateOct 12, 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.

More effective cell studies using new AI method

A new study from the University of Gothenburg introduces an AI-based method to develop faster, cheaper, and more reliable information about cells using microscopy. This approach eliminates the drawbacks of traditional fluorescence microscopy by providing accurate results without damaging cells or inhibiting processes.

SourceUniversity of Gothenburg·JournalBiophysics Reviews·TypeComputational simulation/modeling·DateOct 12, 2021

COVID-19 keeps away locals from foreigners, but not because of border control

A study by SWPS University of Social Sciences and Humanities found that people become more sensitive to feelings of disgust when they perceive their lives as being in danger. As a result, they tend to avoid foreigners, which is linked to an evolutionary response known as the behavioral immune system.

SourceThe Polish Association of Social Psychology·JournalSocial Psychological Bulletin·DateOct 12, 2021

Combined treatments are the most effective to stop smoking, study finds

A systematic review of tobacco cessation pharmacotherapies and e-cigarettes found that combined treatments, particularly varenicline and nicotine replacement therapy (NRT), were the most effective in helping people quit smoking. E-cigarettes showed promise but require further research to establish their safety.

SourceUniversity of Bristol·JournalAddiction·TypeSystematic review·DateOct 12, 2021

Scientists taught intelligence system to accurate forecast of pile bearing capacity

Researchers from South Ural State University created a hybrid intelligence system that can predict pile bearing capacity with high accuracy. The system, developed by combining adaptive neuro-fuzzy inference system and group method of data handling, outperformed traditional methods and provided close to measured values.

SourceSouth Ural State University·JournalArtificial Intelligence Review·DateOct 12, 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.

Baycrest-developed at-home cognitive assessment performs as well as widely used, clinician-led test

The Baycrest-developed Cogniciti Brain Health Assessment is as accurate as the Montreal Cognitive Assessment (MoCA) in identifying problems with memory and attention, but outperforms MoCA in detecting subtle cognitive decline. The self-administered online assessment can provide important information for clinical assessment of memory an...

SourceBaycrest Centre for Geriatric Care·JournalThe Journals of Gerontology Series B·TypeData/statistical analysis·DateOct 12, 2021

Plasma biomarkers predict long-term kidney function after acute kidney injury

A plasma biomarker panel identified a combination of sTNFR1, sTNFR2, cystatin C, and eGFR that discriminated between patients with worsening or low risk of chronic kidney disease after three years. This combination was particularly effective at identifying those with very low risk of subsequent kidney dysfunction.

SourceNational Kidney Foundation·JournalAmerican Journal of Kidney Diseases·DateOct 12, 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.

Physicists announce the world's most precise measurement of neutron lifetime

An international team of researchers has made the world's most precise measurement of the neutron's lifetime, which may help answer questions about the early universe. The results represent a more than two-fold improvement over previous measurements, with an uncertainty of less than one-tenth of a percent.

SourceAmerican Physical Society·JournalPhysical Review Letters·DateOct 12, 2021

Brain damage from long stays in space

A study published in JAMA Neurology found that long-term exposure to space can cause brain damage in cosmonauts. The research analyzed five Russian male cosmonauts who spent an average of 169 days in space, showing significant increases in biomarkers for brain cell damage upon their return to Earth.

SourceUniversity of Gothenburg·JournalJAMA Neurology·TypeCase study·DateOct 12, 2021

Rye a better choice than wheat for weight loss

Researchers found that eating high-fibre whole grain rye products resulted in greater weight loss and body fat reduction compared to refined wheat alternatives. The study, involving 242 participants, suggests that rye's unique fibre content may contribute to its weight-loss benefits.

SourceChalmers University of Technology·JournalClinical Nutrition·TypeRandomized controlled/clinical trial·DateOct 12, 2021

How to remove pesticides from drinking water

Researchers have developed a new method to remove micropollution from drinking water by using iron and chlorine to break down carbon-based pollutants. The technique produces only CO2 and salt as by-products, making it a promising solution for purifying contaminated water.

SourceUniversity of Southern Denmark·JournalJournal of the American Chemical Society·DateOct 12, 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.

An eco-friendly toxic cocktail could be a new weapon against malaria

A study at Stockholm University has discovered a novel, eco-friendly feeding trap that can be deployed to control mosquito populations. The trap uses a beetroot-based mix with added toxins, which attracts and kills female mosquitoes, while leaving male mosquitoes unaffected.

SourceStockholm University·JournalCommunications Biology·TypeExperimental study·DateOct 12, 2021

Wildfires affect cave diversity underneath scorched surfaces

New research at Lava Beds National Monument found that wildfires burning the surface also impacted life in caves below, causing a significant drop in ecosystem diversity. Changes in hydrology and moisture levels may be driving these changes, and understanding these impacts is crucial for protecting fragile cave ecosystems.

SourceGeological Society of America·DateOct 12, 2021

The future of neuroimaging is “lit”: PET-based technique aids better live visualization

A novel neuroimaging technique using bacterial enzymes and inhibitors enables better live visualization of brain circuitry. The technique facilitates in vivo imaging without disrupting the blood-brain barrier, allowing for the detection of undetectable tau protein assemblies in neurodegenerative diseases.

SourceThe National Institutes for Quantum Science and Technology·JournalThe EMBO Journal·DateOct 12, 2021

Radiationless anapole states in on-chip photonics

A team of researchers has discovered radiationless anapole states in on-chip photonics, which enable the creation of highly sensitive biosensors and nonlinear signal processing systems. The discovery allows for tunability of anapole states within a wide wavelength range, with enhanced energy concentration inside nanoparticles.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateOct 12, 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.

Mindful breathing for pain control: Like yin and yang

Researchers found that mindful breathing can reduce pain by modulating the somatosensory cortex, a region responsible for processing pain. The study compared two types of meditation: traditional mindful breathing and virtual reality guided breathing, which used immersive visual and audio stimuli to decrease pain sensitivity.

SourceUniversity of Michigan·JournalJournal of Medical Internet Research·DateOct 12, 2021

Large effect of solar activity on Earth's energy budget

Researchers from DTU Space and The Hebrew University of Jerusalem found that solar eruptions reduce cosmic ray flux, leading to reduced aerosol production and decreased cloud cover. This results in an increase in the Earth's energy budget by almost 2 W/m2 within 4-6 days.

SourceTechnical University of Denmark·JournalScientific Reports·DateOct 12, 2021

Patients’ referral to primary care after COVID-19 hospitalization varied widely during the pandemic

Researchers found that only a quarter of patients were scheduled for primary care follow-up prior to discharge during the second wave, highlighting the need for improved healthcare system navigation. Outpatient care can help screen for physical and emotional impairments common among COVID and sepsis patients.

SourceMichigan Medicine - University of Michigan·JournalJournal of General Internal Medicine·DateOct 12, 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.

Insects in the light of land use and climate

A new study published in Nature Communications finds that insect biomass is higher in warmer temperatures, while diversity declines in agricultural environments compared to semi-natural habitats. Researchers recommend increasing green spaces in urban areas and promoting forest habitats to mitigate climate change.

SourceUniversity of Würzburg·JournalNature Communications·TypeObservational study·DateOct 12, 2021

New avenues for the optimisation of dendritic cell-based cancer immunotherapies

Researchers from the University of Helsinki found that inhibiting beta2-integrin adhesion on dendritic cells enhances tumour rejection. By regulating epigenetic changes, these integrins dampen dendritic cell functionality and migration, making them more effective at activating T cells and rejecting cancer.

SourceUniversity of Helsinki·JournalCancer Immunology Research·DateOct 12, 2021

Shape-shifting worm blob model could inspire future robot swarms

Researchers study entangled blackworm blobs that show 'intelligent' collective movement when conditions are just right. The model suggests a fine balance between individual movement and clinginess is needed for sustained collective movement.

SourceFrontiers·JournalFrontiers in Physics·TypeExperimental study·DateOct 12, 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.

Contributing to solve the heat concentration problem in power semiconductors

Developed a highly efficient boiling immersion cooler using lotus metals, increasing critical heat flux from 200 W/cm² to 530 W/cm² or more. The technology is expected to solve the heat concentration problem of in-vehicle power semiconductors and be applied to CPUs for workstations and large-scale servers.

SourceJapan Science and Technology Agency·JournalInternational Journal of Heat and Mass Transfer·TypeExperimental study·DateOct 12, 2021

Expanded lung screening rules provide more equitable care

A Kaiser Permanente study found that the 2021 USPSTF guidelines will likely increase lung cancer screening of women, racial and ethnic minority groups, and individuals with lower socioeconomic status. This is expected to lead to an estimated 30% increase in lung cancer diagnoses compared to the 2013 recommendations.

SourceKaiser Permanente·JournalJAMA Network Open·DateOct 12, 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.

New strategy achieves efficient and stable carbon dioxide electrolysis in solid oxide electrolysis cell

Researchers developed a new strategy to achieve efficient and stable CO2 electrolysis in solid oxide electrolysis cells. They found that redox cycle manipulations promoted the exsolution of high-density metal/perovskite interfaces, improving performance and stability.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Communications·TypeCommentary/editorial·DateOct 12, 2021

Migraines caused by alterations in metabolite levels

Researchers at QUT identified causal genetic links to three blood metabolite levels that increase migraine risk. These findings could lead to the development of compounds that target metabolite levels and prevent migraines.

SourceQueensland University of Technology·JournalThe American Journal of Human Genetics·DateOct 12, 2021

Clarification on diabetes and dementia risk

Researchers found that poorly controlled type 2 diabetes is associated with an increased risk of developing preclinical dementia, which can progress to full-blown dementia. The study also suggests that controlling blood glucose levels may be key to preventing cognitive decline.

SourceKarolinska Institutet·JournalAlzheimer s & Dementia·TypeObservational study·DateOct 12, 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.

Desert locusts remain a serious threat to Pakistan

A severe upsurge of desert locusts in 2019-2020 caused $3.4 billion to $10.21 billion in monetary losses and severe acute food insecurity for over 3 million people in Pakistan. The authors suggest improving the prevention system, developing compensatory measures, and increasing the use of alternative pesticides.

SourcePensoft Publishers·JournalJournal of Orthoptera Research·DateOct 12, 2021

COVID-19-related parenting stress impacted eating habits of children

A new study by researchers at the University of Houston found that COVID-19-related parenting stress has a negative impact on children's eating habits, leading to maladaptive feeding behaviors. The study suggests that policy makers and nonprofit organizations should provide support systems to help parents manage their daily stressors.

SourceUniversity of Houston·JournalCurrent Psychology·TypeSurvey·DateOct 12, 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.

Toward accurate modeling of power MOSFET electrical characteristics

A team of scientists at NAIST successfully used automatic differentiation to accelerate calculations of model parameter extraction, reducing computation time by 3.5 times compared to conventional methods. This breakthrough enables the design of more efficient power converters with increased performance and reduced energy consumption.

SourceNara Institute of Science and Technology·JournalIEEE Transactions on Power Electronics·DateOct 12, 2021

Electronic health record messaging during pandemic

During the COVID-19 pandemic, patient electronic health record inbox message volume increased significantly in an ambulatory practice network in New England. The study compared pre-pandemic and pandemic levels to understand the impact of the outbreak on healthcare communication.

SourceJAMA Network·JournalJAMA Network Open·DateOct 12, 2021

High-oil corn packs punch for pigs

Research from the University of Illinois found that high-oil corn has greater amino acid and energy digestibility than conventional corn, with increased phosphorus and fiber content. This could save producers money by reducing supplement needs.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalAnimal Feed Science and Technology·DateOct 12, 2021

Scientists discover a highly potent antibody against SARS-CoV-2

Researchers have identified a highly potent antibody that effectively blocks the spike protein of SARS-CoV-2, halting viral replication and enabling the immune system to eliminate the virus. This breakthrough discovery offers a potential preventive-treatment option for unvaccinated individuals or those with weakened immune systems.

SourceEcole Polytechnique Fédérale de Lausanne·JournalCell Reports·TypeExperimental study·DateOct 12, 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.

Research review shows intermittent fasting works for weight loss, health changes

A review of 25 studies on intermittent fasting found that all forms produced mild to moderate weight loss, similar to traditional calorie-restrictive diets. Intermittent fasting regimens also showed benefits in decreasing blood pressure and insulin resistance, and improving appetite regulation.

SourceUniversity of Illinois Chicago·JournalAnnual Review of Nutrition·TypeMeta-analysis·DateOct 12, 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.

Researcher discovers key gene responsible for cancer drug resistance

A researcher at the University of Missouri-Columbia has discovered a protein called USP15 that protects cancer cells from destruction by removing ubiquitin tags placed on them by immunomodulatory drugs. Testing patients for USP15 may help determine resistance to these therapies, paving the way for more precise and customized treatments.

SourceUniversity of Missouri-Columbia·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 12, 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.