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Science News Archive 2020


Page 58 of 512

Study: How saliva is made

A new paper in Cell Reports breaks down the details of how salivary glands collectively produce proteins found in saliva. The study identifies which proteins are produced by each type of gland and shows that individual cells within a single gland can secrete different proteins.

Metabolic signaling plays a crucial role in regulating specialized T cells

Scientists at St. Jude Children's Research Hospital have identified how metabolic signaling pathways influence key immune cells, including eTreg cells. Understanding this regulation may aid in developing more specific drugs to target these pathways and treat diseases such as lupus, rheumatoid arthritis, and cancer.

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.

COVID-19 patient outcomes affected by cardiovascular risk

Research presented at American Heart Association Scientific Sessions 2020 found that Black and Hispanic patients are more likely to be hospitalized with COVID-19 than white patients. Nonwhite men with cardiovascular disease or risk factors also face a higher risk of death from COVID-19.

Birds of a feather do flock together

Researchers used genetic evidence to explain how different species of capuchino seedeaters acquired distinct patterns of coloration. Soft selective sweeps were found to be the primary cause of these differences, driven by changes in environment and sexual selection.

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.

Tropical peatland conservation could protect humans from new diseases

The study suggests that tropical peatlands could reduce the impacts of the COVID-19 pandemic and the likelihood of new diseases jumping from animals to humans. Conservation efforts in these areas could mitigate zoonotic disease transmission, protect human health, and strengthen arguments for their conservation and restoration.

A new understanding of ionic interactions with graphene and water

A Northwestern University research team has uncovered new findings on the role of ionic interaction within graphene and water. The insights could inform the design of energy-efficient electrodes for batteries and provide backbone ionic materials for neuromorphic computing applications.

NIH funds UC study on HIV medicines

Researchers will analyze human tissue samples to determine genetic predispositions to liver side effects from antiviral drugs. The study aims to identify potential genetic factors and dosing recommendations for safer treatment.

Immunological memory after cured Sars-CoV-2 infection

A study published in Nature Medicine found that survivors of SARS-CoV-2 infection develop long-lasting immunity through memory T-cells, providing protection against re-infection. The research team's findings raise hopes for the development of effective vaccines.

Fluke 87V Industrial Digital Multimeter

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

Piecing together the Alaska coastline's fractured volcanic activity

Researchers have used powerful seismic imaging techniques to study the Alaska coastline's volcanic activity, revealing unexpected details about tectonic plates and volcano distribution. The new research highlights complexities in subduction zones and how they control volcano formation.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

A patented solution for dry mouth relief and food product development

A team of scientists from the University of Leeds has developed a new hydrogel to act as an alternative to saliva without additional lipid content. The formulation can also replicate lubricating properties in food products, providing a potential solution for dry mouth therapy and non-obesogenic nutritional technologies.

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.

A study analyses what leads US citizens to support intervention abroad

Researchers analyzed North Americans' foreign policy preferences, finding that coercive measures are more likely to be supported in highly personalized and consolidated autocracies without US ties. In contrast, foreign democracy aid is preferred in regimes with strategic or financial ties and multi-party elections.

Apple iPhone 17 Pro

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

Small differences, big impact

Researchers at the Stowers Institute for Medical Research identified tiny variations in an amino acid sequence critical to retaining ancestral gene function. The study found that small differences can lead to significant evolutionary changes and highlights the importance of studying protein sequences.

Potential cholera vaccine target discovered

Researchers at Massachusetts General Hospital found a unique mechanism of protection against Vibrio cholerae, the bacterium that causes cholera. Human antibodies block the bacteria's motility, preventing it from causing disease. This breakthrough could lead to more effective vaccines for cholera, particularly in young children.

Study highlights sex-specific variability in mouse features

Scientists found that sex-specific differences in variability depend on individual physical and physiological features in mice, debunking theories about male or female variability. The study suggests including both males and females in studies, with statistical adjustments necessary to account for variation in traits among sexes.

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.

Migrating animals 'live fast and die young'

Researchers found that migrants develop faster, produce offspring earlier, and die younger due to energy constraints. This could explain the decline of many migratory species as they may struggle to adapt to changes in habitats and climate.

Researcher gets NSF grant to study hidden messages in digital images

A researcher at Binghamton University has received an NSF grant to study hidden messages in digital images. The project aims to create steganographic schemes with mathematical guarantees, providing users with provable assurance of security. This research contributes to the fields of steganalysis and digital forensics.

Healthy food labels that work and don't work

Researchers found that displaying PAE labels alongside the Healthier Choice Symbol reduced its effectiveness in encouraging consumers to buy healthier options. The Healthier Choice Symbol alone led to a 5% increase in purchasing healthier products, but combining it with PAE labels had little impact.

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.

Sustainable shotcrete mix-designs for tunnels with longer service-life

Researchers developed sustainable shotcrete mixes with improved durability, using granulated blast furnace slag and ultrafine limestone powder to increase resistance against sulphate attack. This reduces maintenance costs and extends tunnel lifespan, making shotcrete a more environmentally friendly material.

UTA partners with NCTCOG to generate energy from food waste found in landfills

The University of Texas at Arlington and North Central Texas Council of Governments partner to assess regional opportunities for diverting food waste, increasing renewable energy production, and reducing vehicle emissions. The project aims to capture methane gas and produce biogas from anaerobic digestion infrastructure.

National supplies of protein, carbs and fats can predict your lifespan

A new global study from the University of Sydney found evidence of undernutrition in countries worldwide, with optimal supplies changing with age. For early life, high fat and protein supplies minimize mortality, while later life reduces fat and increases carbohydrate intake leads to lowest mortality rates.

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.

Making the best decision: Math shows diverse thinkers equal better results

New research from Florida State University finds that groups with diverse thinkers make quicker and better decisions than homogenous groups. Mathematical modeling reveals that impulsive individuals can quickly reveal correct options to others, leading to faster and more accurate collective decision-making.

Actively speaking two languages protects against cognitive decline

Researchers found that actively speaking two languages contributes to cognitive reserve and delays the onset of symptoms associated with cognitive decline and dementia. Bilingual individuals had a lower risk of developing mild cognitive impairment, which is a preclinical phase of Alzheimer's disease.

Researchers quantify carbon changes in Sierra Nevada meadow soils

A collaborative study led by researchers from the University of Nevada, Reno, found that meadows throughout the region are both gaining and losing carbon at high rates. Meadows with wetland plant communities and dense root mats were large net carbon sinks during the year measured.

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.

Building blocks of life can form long before stars

Scientists have discovered that glycine can form on the surface of icy dust grains in dark interstellar clouds, bypassing the need for energy. This finding challenges previous assumptions and suggests a more widespread formation of amino acids in space.

Scientists discover a new mineral

Researchers at St Petersburg State University have discovered a new mineral called petrovite with unique properties that make it promising for use in sodium ion batteries. The mineral's structural type is suitable for ionic conductivity, which could lead to the development of more efficient cathode materials.

Songbird parents evict young for their own benefit

Research reveals that many songbird parents displace nestlings too early, reducing the offspring's chances of survival. However, this behavior allows parents to minimize risks and increase their own likelihood of raising at least one offspring to independence.

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.

Seafood mislabeling is having negative impacts on the marine environment

A study by Advanced Conservation Strategies reveals that conditions exist for seafood mislabeling to lead to negative outcomes on marine populations. Researchers estimate that Americans consume between 420-550 million pounds of mislabeled seafood every year, with much of it coming from imported products.

A change of heart -- new drug for HCM reduces heart mass

A new medication, mavacamten, has been shown to reduce heart muscle thickness and improve cardiac structure and function in patients with hypertrophic cardiomyopathy. The study found significant reductions in heart mass and improvements in blood flow, exercise capacity, and markers of fibrosis.

Liver condition identified in patients using urine samples: new research

A new study has identified fifty protein fragments, termed peptides, in the urine of patients with liver fibrosis, which could be used to develop a diagnostic urine test for the condition. The research team found that these peptides were accurately detected in 84.2% of liver fibrosis patients and 82.4% of those without the condition.

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.

Looking inside the glass

A team of researchers from The University of Tokyo used electron spectroscopy and computer simulations to study the internal atomic structure of aluminosilicate glass. They found intricate structures that have not yet been analyzed by scientists, including complex coordination networks among aluminum atoms within phase-separated regions.

Study pinpoints target for managing inflammation, promoting tissue repair

A study by Cincinnati Children's Hospital Medical Center found that targeting the BCAP protein could help control overactive immune responses and promote tissue repair in inflammatory diseases. The researchers suggest that modulating BCAP activity could be used to dampen inflammation and accelerate response against tumors.

Planktonic diets of Baikal seals

Baikal seals have evolved to consume an abundance of amphipods due to their specialized teeth and foraging strategy. This study reveals the seals' high foraging rates make tiny endemic amphipods a profitable component of their diet.