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Science News Archive October 2018


Page 11 of 47

New study uncovers the interaction of calcium channels

A research team led by Professor Byung-Chang Suh has observed the dynamic combination of alpha 1 and beta subunits in calcium channels, revealing competitive replacement and stability. This breakthrough enables precise control of calcium ion inflow inside cells and opens a new horizon for treating high blood pressure and brain diseases.

Polymers offer a better view

A new class of polymer matrices has been developed to improve the detection of metabolites and track chemicals of interest in studying cancer. This breakthrough enables researchers to explore more research questions and increases the flexibility of the MALDI imaging technique.

Researchers develop new devices to test retinal cells

Researchers developed two new devices to mechanically stress human retinal cells, mimicking slow and continuous stress levels as well as high levels of stress. The study found that mechanical stress results in the expression of vascular endothelial growth factor, a protein linked to disease initiation and progression.

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.

New air-filled fiber bundle could make endoscopes smaller

Researchers have created a new air-filled optical fiber bundle that can improve endoscopes used in medical procedures like minimally invasive surgeries. The technology allows for higher resolution images at double the wavelength range, enabling diagnostic procedures not possible with current endoscope technology.

Volcanic ash impact on air travel could be reduced says new research

Scientists have developed a new method and camera to measure the flow and speed of ash particles in volcanic plumes, which can help reduce the risks to human health and infrastructure. The camera, called AshCam, uses sunlight to identify ash particles and provides new insights into volcanic ash dynamics.

Investigating glaciers in depth

Dr. Johannes Fürst's new map provides a reliable estimate of the total ice volume in Svalbard, which is approximately one-third smaller than previously thought. The map also offers an associated error estimate, allowing researchers to calculate the uncertainty of glacier thickness measurements.

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.

Study reveals how the brain overcomes its own limitations

The brain compensates for its own limitations by relying on previous experiences and using strategies such as Bayesian integration, which combines multiple pieces of information to reduce variability. In tasks requiring complex computation, the brain reduces noise by increasing confidence in its calculations.

Largest census of cancer genes to help understand drug targets

Researchers have created a comprehensive summary of human cancer genes, known as the Cancer Gene Census. The resource catalogues over 700 genes involved in cancer and describes their functions across different types. This knowledge will help scientists find drug targets and design treatments tailored to individual cancers.

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.

Anti-aging molecule NAD+ gets a boost from blocking an enzyme

Scientists have discovered a way to increase NAD+ levels in the kidney and liver by blocking an enzyme, ACMSD, which limits its production. This breakthrough has shown promise for treating liver and kidney diseases, with enhanced mitochondrial function and improved health outcomes.

Loss of first baby tooth a positive experience for children

A study found that children generally lose their first baby tooth at six years old, and their emotions range from joy to fear. Parents of children who lost a milk tooth reported mostly positive feelings, with those whose previous dental visits were cavity-related experiencing fewer positive emotions.

Apple iPhone 17 Pro

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

Neurology: Space travel alters the brain

A study of Russian cosmonauts reveals that space travel alters the brain's tissue volume, particularly in grey and cerebrospinal fluid areas. Changes persist for at least six months after returning to Earth, with potential implications for cognition and vision.

Digital device overload linked to how first impressions are formed

Researchers at Rice University have found a correlation between digital device use and the quality of first impressions. People who reported frequent media multitasking were more likely to be distracted by irrelevant information when making first impressions about someone they had never met.

How should autonomous vehicles be programmed?

A massive global survey on autonomous vehicle ethics found that people generally prefer sparing human lives over animal lives and young people's lives. However, regional variations were observed, particularly in the eastern cluster of countries where preference for younger people was less pronounced.

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.

Mexico's 2017 Tehuantepec quake suggests a new worry

Researchers found a deep, rupturing subduction zone earthquake that defies existing models, indicating the need for reevaluation of hazard maps and building codes. The study suggests seawater infiltration may have accelerated cooling in the Cocos plate, making it susceptible to tension earthquakes.

'Cellular dust' provides new hope for regenerative medicine

Extracellular vesicles, or 'cellular dust', have shown therapeutic properties similar to stem cells without their disadvantages. These gel-like vesicles can be produced by a single donor for several patients and have demonstrated potential in repairing heart, liver, and kidney lesions.

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.

Satellite imagery shows Willa dissipated over Mexico

Willa's surface circulation has dissipated over northeastern Mexico according to NOAA's GOES-West satellite data and surface observations. The remnants of the former hurricane are moving northeast at 28 mph with maximum sustained winds decreased to near 25 mph.

Researchers discover directional and long-lived nanolight in a 2D material

An international team of researchers has discovered ultra-confined infrared polaritons that propagate only in specific directions along thin slabs of molybdenum trioxide. The polaritons live for an exceptionally long time, up to 20 picoseconds, and could enable the development of more efficient nanophotonic devices.

Army scientists develop computational model to predict human behavior

Researchers developed a new dynamic model that quantitatively incorporates group behavior into individual decision-making, predicting the sensitivity of individuals to persuasion and deception. The model uses non-integer derivatives to compress the influence of groups into a single parameter.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Mapping the pancreatic islets

A new $3.3 million grant will fund a high-resolution reference map of pancreatic cells to identify molecular changes leading to type 1 diabetes.

Plump songbirds more likely to survive migration over Gulf of Mexico

A new study provides the first survival estimates for small migratory birds crossing the Gulf of Mexico, revealing that fatter birds and stronger tailwinds significantly increase their chances of survival. By understanding these factors, conservation efforts can be implemented to improve birds' ability to cross the Gulf.

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 CRISPR tool opens up more of the genome for editing

Researchers have developed a new Cas9 enzyme that can target almost half of the genome's locations, significantly expanding its potential use. This could enable editing of many more disease-specific mutations, including those responsible for sickle cell anemia.

Drug improves survival in metastatic breast cancer

A phase III clinical trial found that palbociclib improves overall survival in women with hormone receptor-positive metastatic breast cancer. The drug, used in combination with standard treatment, led to a clinically meaningful improvement in median overall survival, even in patients who showed sensitivity to prior hormone therapy.

Sensitive tests suggest low risk of drug resistance with dapivirine ring

A new study suggests that a monthly vaginal ring releasing dapivirine, an antiretroviral drug, poses minimal risk of developing drug-resistant HIV. The research analyzed plasma samples from women who acquired HIV during the ASPIRE Phase III trial and found no cases of dapivirine-associated resistance.

Ice-age climate clues unearthed

A new computational model, PRYSM, has been developed to interpret climate data from lake sediments, revealing that lake temperature proxies underestimated air temperature changes. The model is designed to compare paleoclimate data with climate model simulations, aiming to improve interpretations of past climate changes.

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.

Scientists identify genes and proteins plants use to redirect nitrogen

Agricultural Research Service scientists have identified key genes and transcription factors in plants that allow them to direct nitrogen to their roots, shoots, flowers, and seed heads. This knowledge may enable the breeding of new plant varieties with improved nitrogen use efficiency.

Moving 'clean meat' from lab to table

The clean meat industry is struggling to scale up production and gain consumer acceptance, with challenges including product naming and labeling. Despite these hurdles, start-ups aim to capture a small percentage of the $1-trillion-per-year combined meat market.

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.

Flu virus could evolve resistance to pandemic drug

A recent study by Imperial College London suggests that the flu virus can develop resistance to favipiravir, a potential pandemic drug, if it undergoes two specific genetic mutations. This finding highlights the need for close monitoring and surveillance to prevent the emergence of resistant strains.

Cannabis pain relief without the 'high'

A team of scientists at McGill University Health Centre has identified the effective dose of cannabidiol (CBD) for safe pain relief without the risk of addiction or euphoria. The study found that low doses of CBD alleviate both pain and anxiety in animal models of chronic pain, offering a potential alternative to THC and opioids.

SwRI team makes breakthroughs studying Pluto orbiter mission

The SwRI team developed a fuel-saving orbital tour for a future Pluto orbiter, allowing it to explore the Kuiper Belt after surveying Pluto. The study also demonstrates an electric propulsion system can power the orbiter to fly to other Kuiper Belt objects.

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.

Importance of infant diet in establishing a healthy gut

Research reveals that babies establish a healthy gut microbiome until around 2.5 years old, with breastfeeding playing a crucial role in early life. After weaning, the microbiome rapidly changes and becomes more stable, but the loss of beneficial bacteria can occur if breast milk is not available.

Bacterial imaging probe is safe for patient use, study finds

A new bacterial imaging probe has been shown to be safe for patient use and can detect deadly pneumonia infections in under 60 seconds. This technology uses chemical probes that light up when they attach to specific types of infectious bacteria, allowing for real-time detection and monitoring.

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.

Air pollution and noise increase risk for heart attacks

A comprehensive study by the Swiss Tropical and Public Health Institute found that air pollution and transportation noise significantly increase the risk of heart attacks. The study reveals that considering both factors together reduces the estimated effect of air pollution on cardiovascular health.

Political competition is hurting our charitable giving

A new study by Brigham Young University researchers reveals that voters living in counties with high political competition give less to charity. The findings suggest that the perception of mistrust among like-minded individuals leads to lower charitable donations.

Study reveals how gene activity shapes immunity across species

Researchers analyzed 250,000 cells from six mammalian species to chart the evolution of antiviral and antibacterial immunity. They found that genes involved in the immune response have highly variable activity in different cells within an individual's tissue.

Meta Quest 3 512GB

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

Brain-eating amoebae halted by silver nanoparticles

Researchers develop silver nanoparticles coated with anti-seizure drugs to kill brain-eating amoebae, increasing human cell survival rates. The drug-nanoparticle combos target protein receptors or ion channels on the amoeba's membrane, offering a potential treatment for deadly infections.

New regulators of nitrogen use in plants identified

A new study by Cold Spring Harbor Laboratory has identified new regulators of nitrogen use in plants, which may lead to the development of crops better suited to thrive under different environmental conditions. The researchers found that eliminating certain genes can stunt plant growth and distort roots when nitrogen is scarce.