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Science News Archive 2021


Page 139 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.

Medicaid expansion tied to improvements in blood pressure, glucose control

A new study found that Medicaid expansion is associated with reductions in uninsurance and improvements in blood pressure and glucose control measurements. The benefits were highest among Black and Hispanic patients. Longer-term investments into quality care and care management are necessary to realize these health outcomes.

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.

UC San Diego leads a $12.25M grant to improve epilepsy treatment

Researchers at UC San Diego are developing higher-resolution sensor grids with increased density to improve diagnosis and treatment of drug-resistant epilepsy. The team plans to test these grids in pigs before conducting clinical trials, aiming to provide surgeons with a clearer picture of brain regions triggering seizures.

Largest virtual universe free for anyone to explore

Researchers created a massive virtual universe, Uchuu, consisting of 2.1 trillion particles in a computational cube spanning 9.63 billion light-years. The simulation allows for the study of dark matter and large-scale structure on an unprecedented scale.

Drought – more than temperature – governs diversity of life on earth

A University of Arizona-led study found that drought and seasonal fluctuations in rainfall are larger drivers of evolutionary diversity than warm temperatures. The research team created maps of evolutionary diversity across North, Central and South America, revealing that deserts have more plant species compared to forests due to drought.

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.

The mystery of the flexible shell

A team of researchers from the Paul Scherrer Institute has discovered that the brachiopod shell can become extremely soft in water due to the absorption of liquid, allowing it to be folded without breaking. The transformation is reversible, and the shell returns to its hard state upon drying.

Only a minority of those with alcohol use disorders receives medication

A study found that only about 2-2.5% of individuals with alcohol dependence in Sweden receive alcohol medication, highlighting unequal provision of treatment across sociodemographic factors and co-morbid conditions. The research suggests low knowledge among physicians and patients, as well as preference for psychological treatment over...

NIH scientists build a cellular blueprint of multiple sclerosis lesions

Researchers at NIH/NINDS built a detailed cellular map of chronic MS lesions, revealing gene activity patterns and interactions that could lead to new therapies. The study identified microglia and C1q as promising targets for progressive MS, potentially offering a way to halt disease progression.

NYU to join NSF-Backed AI-Based Climate Modeling Center

The NYU-led Learning the Earth with Artificial Intelligence and Physics (LEAP) center will combine artificial intelligence and climate modeling to better predict climate change impacts. The center aims to provide more accurate climate predictions by analyzing satellite images, large-scale observational data, and developing new algorithms.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Researchers reconstruct major branches in the tree of language

A team of researchers used a novel approach called onomasiological reconstruction to analyze 5,000-year-old Indo-European and Altaic macrofamily languages. The study confirmed well-documented genealogies and identified relationships between major branches, providing insights into the evolutionary paths of human languages.

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.

Acoustic illusions

Scientists at ETH Zurich have developed a system that can manipulate the acoustic field in real time, creating illusions of objects disappearing or being simulated. The technology uses field-programmable gate arrays to control the augmentation of sound waves, enabling potential applications in sensor technology, architecture, and commu...

Gut microbes are key to health benefit delivered by hops compound

A new study by Oregon State University finds that xanthohumol improves glucose metabolism in mice only when the gut microbiota is present. The researchers discovered that three specific bacteria, Akkermansia muciniphila, Parabacteroides goldsteinii and Alistipes finegoldii, are responsible for XN's health benefits.

Signs of dementia are written in the blood, reveals new study

A new study published in PNAS has identified 33 metabolic compounds associated with dementia, which could aid in diagnosis and treatment. The researchers found that levels of these metabolites differed significantly between patients with dementia and healthy elderly individuals.

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.

Personality matters, even for squirrels

Researchers found that boldness, aggressiveness, activity level, and sociability are key personality traits in golden-mantled ground squirrels. These traits impact their access to food, territory, and predators, highlighting the importance of understanding animal personalities in wildlife conservation.

Racial, ethnic differences in opioid prescribing

A study analyzing Medicare data found that racial and ethnic minority groups received fewer opioid prescriptions for new low back pain compared to white patients. This disparity persisted during the first wave of the opioid epidemic, despite growing awareness of its adverse effects.

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.

Study explores link between earthquakes, rainfall and food insecurity in Nepal

A study by Penn State researchers found that regions exposed to both heavy earthquake shaking and abundant rainfall in Nepal are more likely to experience food insecurity. The findings suggest that climate change is exacerbating the impact of compound events, such as earthquakes and heavy rainfall, on agriculture and human health.

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.

Vaccines effective against Delta variant

A national study found COVID-19 vaccines are effective in preventing hospitalizations and emergency department visits caused by the Delta variant. The Moderna vaccine is significantly more effective than Pfizer and Johnson & Johnson, with unvaccinated individuals being 5-7 times more likely to need emergency care or hospitalization.

Fungi could help to prevent landslips

A new study at the University of Strathclyde investigates using fungi to strengthen soil and reduce rainwater infiltration, aiming to prevent landslips. The research, funded by £1.3 million from UKRI, explores fungal growth in different soil types to improve natural soils' engineering performance.

Following the bouncing eyeball in augmented reality

Researchers have integrated holographic optical elements to create a waveguide eye-tracking system that can track eye movements in near-infrared wavelengths. This design enables the development of more efficient and powerful augmented reality systems.

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.

Emissions from computing and ICT could be worse than previously thought

A new study suggests that computing and ICT could be responsible for a greater share of greenhouse gas emissions than previously thought, potentially surpassing the aviation industry. The researchers argue that historical evidence shows ICT's footprint has increased despite efficiency gains.

Meat-heavy diets restricted hunter-gatherer population sizes

A new study by the ICTA-UAB establishes that populations of hunter-gatherer groups with strong seasonal dependence on meat had fewer people per square kilometer than those relying on abundant plant foods. This result is based on a complex set of calculations showing how diet composition influenced population density.

Who’s in cognitive control?

A new study published in the Journal of Cognitive Neuroscience found that differences in cognitive control are not absolute, but rather a matter of degree. The research team, led by Todd Braver, used functional MRI to examine brain activity and behavior across four tasks in three conditions. Consistency was found in brain regions and b...

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

New method reveals minimum heat for Leidenfrost effect

Physicists developed an electrical technique to study the Leidenfrost effect, revealing the temperature at which vapor layers form and collapse. The results show that stable vapor layers can be sustained at 240 degrees Celsius, with a minimum heat of 140 degrees Celsius required for their existence.

USC Institute launches worldwide study of Parkinson’s disease

The USC Institute is launching a $3 million global consortium study to analyze brain imaging, genetics, and clinical data from 20 countries. The study aims to understand how Parkinson's disease progresses in the brain and explore genetic factors contributing to risk.

Fluke 87V Industrial Digital Multimeter

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

Cheaper hydrogen production

Researchers have developed a novel electrode material based on cobalt and nickel that can efficiently produce hydrogen through water and urea electrolysis. The phosphorus-doped cobalt-nickel-sulfide nanoparticles demonstrate high activity and stability, reducing the overall voltage of the electrolysis cell.

AI can make better clinical decisions than humans: Study

Researchers developed a machine learning model that produced fewer decision-making errors than human behavior analysts. The AI system showed improved consistency and predictability in treatment decisions, with potential applications in diagnosing and treating autism, ADHD, anxiety, and depression.

Study: Canadians most at risk for respiratory death from wildfire

An international study found Canadians have the highest relative risk of respiratory mortality resulting from wildfire pollution. Exposure to fine particulate matter from wildfires increased risks of all causes, cardiovascular, and respiratory mortality, with about 0.4 percent of total mortality attributable to wildfire smoke.

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.

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.

New research proves diet can put Type 2 diabetes into remission

A 12-week study showed that a low-calorie, low-carbohydrate diet managed by pharmacists can eliminate Type 2 diabetes medications and improve glucose control for over one-third of participants. This approach promotes Type 2 diabetes remission and highlights the potential role of community pharmacists in overall diabetes care.

Making (and breaking) eye contact makes conversation more engaging

Research from Dartmouth College reveals that making and breaking eye contact during conversations can create a dynamic balance between shared attention and individual expression. Pupillary synchrony decreases after eye contact breaks, allowing for creativity and new thoughts, while also signaling shared understanding.