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Science News Archive 2021


Page 105 of 510

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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.