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Science News Archive March 2019


Page 23 of 43

Our brains may ripple before remembering

Researchers found that simultaneous ripple activity occurred in key parts of the brains of epilepsy patients before they recalled memories. The team also discovered that coordinated ripple synchronization triggered electrical activity patterns seen during learning and was associated with correct memory recall.

NASA tracks Tropical Cyclone Idai over Mozambique

Tropical Cyclone Idai is moving in a westerly direction after making landfall in Mozambique, affecting provinces of Zambézia, Sofala, Manica, Tete, and Inhambane with moderate to strong rains and severe thunderstorms.

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.

Honey bee gut microbiome research -- NSF grant

Researchers from Virginia Tech and Eastern Washington University are collaborating on a $958,415 NSF grant to study the critical role of the honey bee gut microbiome in health and defense against parasites. The team aims to develop a network of genes from the parasite, microbiome, and host to determine their interactions with each other.

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.

Periodontitis may raise the risk for developing dementia

Chronic periodontitis may increase the risk of developing dementia by 6%, according to a recent study published in the Journal of the American Geriatrics Society. The research suggests that preventing and treating periodontitis could lead to a reduced risk of dementia.

The genomic history of the Iberian Peninsula reconstructed

The study analyzed 271 genomes from the Iberian Peninsula and found that a group of steppe descendants replaced almost all men 4,000 years ago. The research team also discovered that Basque genetics have hardly changed since the Iron Age, with a high frequency of the Y chromosome R1b.

Big data adds clarity, certainty to clinical trial outcomes for AFib

A recent study using big data analysis has found that catheter ablation is associated with a lower risk of stroke, death, and major bleeding in patients with atrial fibrillation. The research, led by Mayo Clinic, used a large cohort of patients to replicate the results of a clinical trial and provide complementary evidence for clinicians.

Apple iPhone 17 Pro

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

New proof that narcolepsy is an autoimmune disease

Researchers have discovered autoreactive cells in narcolepsy patients, providing new proof that the sleep disorder is an autoimmune disease. Autoreactivity was found not only in patients but also in healthy individuals, suggesting a trigger for the disease.

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.

Oscillation in muscle tissue

Researchers discovered that muscle stem cells produce proteins MyoD and Hes1 in an oscillatory manner, ensuring a sufficient supply of stem cells. This phenomenon is crucial for muscle regeneration and differentiation. The study aims to develop new therapies for muscular disorders by understanding the oscillation mechanism.

Children's noses hold clues to serious lung infections, study shows

A study published in The Lancet Respiratory Medicine found that the composition of a child's nose microbiome is altered in cases of respiratory infections compared to healthy peers. This difference can predict disease severity, hospital stay duration, and likelihood of recovery without antibiotics.

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.

Dormant viruses activate during spaceflight -- NASA investigates

NASA research finds that dormant viruses reactivate in over half of crew members on Space Shuttle and International Space Station missions. The reactivation rate increases with spaceflight duration, raising concerns for the success of deep-space missions. Effective prevention and treatment are crucial to safeguarding astronauts.

Nursing work environment shapes relationship between EHR & quality of care

A recent study by the University of Pennsylvania School of Nursing found that the nursing work environment plays a significant role in how nurses evaluate EHR usability and its impact on quality and safety of care. The study, which analyzed data from over 12,000 nurses, showed that hospitals with better work environments had fewer repo...

Bad news for egg lovers

A large study of nearly 30,000 adults found that consuming 300 mg of dietary cholesterol per day increases the risk of cardiovascular disease by 17% and death by 18%. The study also linked eating three to four eggs per week to a 6% higher risk of cardiovascular disease and an 8% higher risk of any cause of death.

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.

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.

Seeing through a robot's eyes helps those with profound motor impairments

A new interface system using augmented reality technology enables individuals with severe motor impairments to control a humanoid robot, allowing them to perform routine personal care tasks and interact with their environment. The system has shown promising results in improving the quality of life for users.

A new battle: Veterans more likely to have heart disease

A new study by University of Central Florida researcher Ramon Hinojosa reveals that veterans are more prone to cardiovascular morbidity and conditions earlier than non-veterans, possibly due to modern warfare, diet changes and increased rates of obesity and mental illness.

Strength training may reduce the risk of diabetes in obesity

A new study suggests that short-term strength training can improve liver health and blood sugar regulation in obese mice. The findings indicate that strength training may be a fast and effective strategy for reducing the risk of diabetes and fatty liver disease in obesity. However, further research is needed to confirm these results.

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.

Team receives grant to recreate the 'sound signature' of cultural heritage sites

A team of researchers, led by Sungyoung Kim, is developing a comprehensive method to preserve and reconstruct the 'sound signature' of cultural heritage sites. The project focuses on auralization, which simulates unique acoustical environments in virtual or physical spaces, and aims to provide non-expert humanities researchers with dig...

Current training of physicians to care for LGBTQ individuals is falling short

A study of over 800 medical residents found that standardized training is needed to address the unique clinical needs of LGBTQ patients, who face significant health issues due to discrimination and harassment. Despite improvements in knowledge after online training, resident training years had no impact on baseline scores.

Quantum sensing method measures minuscule magnetic fields

Researchers at MIT have developed a new way to measure atomic-scale magnetic fields, not only up and down but also sideways. The technique uses nitrogen-vacancy defects in diamond to detect tiny variations in magnetic fields, providing high precision in multiple dimensions.

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.

With single gene insertion, blind mice regain sight

Scientists inserted a green-light receptor gene into the eyes of blind mice and, a month later, they regained sight. The researchers aim to develop this therapy for humans within three years, potentially restoring their ability to read or watch video.

How to catch ovarian cancer earlier

A new diagnostic tool has been developed to detect ovarian cancer earlier, with high sensitivity and specificity rates. The test uses liquid biopsy proteomics to identify unique protein signatures in uterine fluid, promising improved detection rates for young women at high risk of developing the disease.

Sweat holds most promise for noninvasive testing

Researchers at the University of Cincinnati have created a continuous-monitoring device that tests sweat as effectively as blood, providing data over time to track health trends. This breakthrough technology holds promise for noninvasive testing and personalized care, paving the way for more accurate diagnosis and treatment.

Study reveals how motivation affects nutrition and diet

A University of East Anglia study found that individuals with a promotion focus tend to engage more in nutrition and exhibit greater knowledge of nutrition. This effect is stronger among high-income consumers, particularly men, suggesting targeted interventions can promote healthier habits.

Celestron NexStar 8SE Computerized Telescope

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

Nanocrystal 'factory' could revolutionize quantum dot manufacturing

Researchers at North Carolina State University have developed a microfluidic system that can synthesize perovskite quantum dots across the entire spectrum of visible light. The system drastically reduces manufacturing costs and allows for real-time process monitoring to ensure quality control, enabling mass production of high-quality QDs.

Artificial intelligence speeds up!

A team at Politecnico di Milano has developed an electronic circuit that can solve systems of linear equations in a single operation, accelerating computing by orders of magnitude. The memristor-based circuit boasts superior performance to classical digital computers and even quantum computers, paving the way for AI breakthroughs.

Precision medicine for pediatric cancer

Research has led to increased understanding of genetic changes in cancer, highlighting the potential for personalized care in children with cancer. Genetic profiling can inform prognosis and treatment decisions, providing critical information about tumor progression and response.

Cause of cathode degradation identified for nickel-rich materials

Researchers at Brookhaven National Laboratory have identified the causes of capacity fading in nickel-rich layered materials, which could lead to improved battery performance for electric vehicles. The team used multiple research techniques, including synchrotron light sources and machine learning, to pinpoint the problem and provide p...

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.

Wolves lead, dogs follow -- and both cooperate with humans

A recent study by Vetmeduni Vienna reveals that wolves and dogs cooperate intensively with humans but differ in their approach. Wolves show more initiative, leading the interaction, while dogs follow human behaviour. The study proposes that dogs' submissive tendencies are a result of domestication, which helped minimize conflicts.

The importance of puberty: A call for better research models

A new paper reviews key theories and methods to study puberty, highlighting its importance in understanding adolescent development and welfare. The review emphasizes the need to integrate sociological and psychological impacts into research models, as current approaches focus solely on biological processes.

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.

Bristol provides first long-term look at predictors of suicide attempts

A study by the University of Bristol found that non-suicidal self-harm, cannabis use, and exposure to self-harm in friends or family were key predictors of future suicide attempts. The study followed 310 adolescents with suicidal thoughts over five years and found that one in five attempted suicide.

Rejection of transplanted organs: Long-awaited structure offers new insights

Researchers have made a breakthrough in understanding antibody-mediated rejection, a major challenge in organ transplantation. They discovered the critical amino acids and binding site of alloantibodies on HLA molecules, providing new avenues for developing therapies to prevent or treat this type of rejection.

From mirror-image biology to enhanced therapeutic proteins

Researchers from German Cancer Research Center have successfully reconstructed biomolecules in their mirror-image form. This breakthrough could lead to the creation of mirror-image therapeutic proteins that are protected from biological breakdown and do not provoke immune responses.

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.

Using 3D models to reduce side effects of radiotherapy

Researchers have developed 3D organ-on-a-chip models to test the effects of different levels and types of radiation on human tissues. This technology could lead to more effective therapies with fewer side effects for cancer patients.