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Science News Archive September 2019


Page 31 of 43

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.

Autism traits and social judgments

A study involving over 6,900 people reveals that autism spectrum traits are associated with improved social judgment skills, especially in detecting general patterns and rules. The findings suggest that individuals with autism may excel at perceiving social phenomena due to their unique cognitive abilities.

September/October 2019 Annals of Family Medicine tip sheet

A study in rural Vermont found that more children are receiving care from pediatricians instead of family medicine doctors. A new smartphone-operated electrocardiogram has been shown to accurately detect cardiac arrhythmias in non-acute patients in primary care settings. Additionally, a stepwise approach may be most effective for asses...

Apple iPhone 17 Pro

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

Case management in primary care associated with positive outcomes

Case management programs delivering high-intensity interventions and multidisciplinary care plans yield positive results for adult frequent users with chronic diseases. The systematic review identified key characteristics of effective case management, including high-intensity interventions and multidisciplinary team care.

New research from Alkema lab shows how stress can weaken defenses

Research from the Alkema lab reveals that the 'fight-or-flight' response triggers tyramine release, which stimulates insulin pathways to satisfy energy demands but down-regulates cellular protection against environmental stress. This dynamic regulation negatively impacts health and aging in nematode worms.

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.

ADHD medication: How much is too much for a hyperactive child?

A new review of scientific literature suggests that medium doses of ADHD medication have the strongest beneficial effects on inhibitory control, a key aspect of impulsiveness. Increasing doses beyond this point may not make a significant difference in symptoms.

Communist revolution and social stratification in China

A study found that disadvantaged classes benefited from the revolution, with 20-30% of children from lower backgrounds experiencing net upward educational mobility. However, those from more privileged classes experienced downward mobility, highlighting intergenerational social stratification.

One-atom switch supercharges fluorescent dyes

Researchers at Rice University have discovered a simple method to turn fluorescent tags on and off with visible light by switching one atom. This technique will enable high-resolution imaging and dynamic tracking of biological processes in living cells, tissues, and animals.

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.

The fast and the curious: Fitter adults have fitter brains

A large study found that physical fitness is associated with improved cognitive ability and healthy white matter in the brain of young adults. The research used a publicly available database of 1206 MRI brain scans from the Human Connectome Project.

Discovery of periodic tables for molecules

Researchers at Tokyo Tech propose a new approach to build a periodic table for molecules with multiple types of symmetries. The table groups atoms by symmetry and valence electrons, enabling predictions of stable molecular clusters.

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.

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.

Experimental 'blood test' accurately screens for PTSD

A new study developed a blood-based biomarker panel that can diagnose posttraumatic stress disorder (PTSD) in male combat veterans with 77% accuracy. The panel uses genomic, metabolic, and protein biomarkers to identify genetic and cellular changes associated with PTSD.

Addressing food insecurity in health care settings

Interventions in health care settings focus on referrals or direct provision of food, but suffer from poor follow-up and limited statistical power. The review highlights the need for effective food interventions to address the adverse impact of food insecurity on health and well-being

Good at math? It means little if you're not confident

Research suggests that low numeric confidence can wipe out the advantage of having good math skills, leading to poorer financial and medical outcomes. Participants with high confidence in their math abilities had better health outcomes and more stable finances.

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.

Research shows puberty changes the brains of boys and girls differently

Research shows that puberty affects brain networks differently in males and females, with boys experiencing increased connectivity and girls experiencing decreased connectivity. This study found significant changes in mood-related brain areas during puberty, which may be linked to the higher incidence of depression in girls.

Testing new treatment for epilepsy patients

Researchers have developed a new machine learning algorithm that can detect the seizure onset zone in just 10-20 minutes, eliminating the need for prolonged monitoring and reducing risks. This breakthrough could lead to a new treatment approach for epilepsy patients, particularly those with drug-resistant forms of the disease.

Once or twice weekly daytime nap linked to lower heart attack/stroke risk

A study of 3,462 residents in Lausanne, Switzerland found that taking a weekly daytime nap reduced the risk of heart attack or stroke by 48%. The frequency, not just the duration, of naps is what matters, researchers suggest. This new insight may help explain previous conflicting findings on the health benefits of napping.

Celestron NexStar 8SE Computerized Telescope

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

Spherical-atmosphere climate models

Researchers suggest that spherical models could underestimate climate phenomena due to reduced aerosol cooling, which might lead to inaccurate projections. The study's findings have implications for climate modeling and the accuracy of predictions.

Fermilab achieves world-record field strength for accelerator magnet

Scientists at Fermilab have achieved the highest magnetic field strength ever recorded for an accelerator steering magnet, reaching 14.1 teslas. The success is crucial for future high-energy hadron colliders that require even stronger magnets to accelerate protons to higher energies.

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.

At-home dialysis improves quality of life

Kaiser Permanente research finds that at-home peritoneal dialysis is safe and effective for managing advanced-stage kidney disease, improving lifestyle and quality of life. The study shows a significant increase in at-home dialysis rates over 10 years, with 80% of patients remaining on it one year after starting.

Metal-organic framework nanoribbons

Researchers have developed a general method to prepare ultrathin MOF NRBs with high surface area, highly active surface and excellent catalytic efficiency. The proposed method is simple, efficient and versatile, which could be used for the preparation of a series of ultrathin MOF NRBs.

Lollies, vitamins and fish-shaped sauce containers hit the MRI mark

A Queensland University of Technology study found that jelly baby lollies, fish-shaped sauce containers, vitamin D capsules, and coffee beans are viable alternatives to commercial MRI markers. These items were tested on a thigh scan and showed clear visibility, making them effective for pinpointing anatomical areas or pathologies.

Repetitive impacts key to understanding sports-associated concussions

A study using sensor-enabled mouthguard technology and dynamic contrast-enhanced MRI found that repetitive impacts cause damage to small blood vessels in the brain, leading to 'leaky' blood vessels visible on MRI scans. The research aims to improve player safety in sports with robust return-to-play guidelines.

Sound-shape associations depend on early visual experiences

Researchers found that sound-shape associations, such as the bouba-kiki effect, are formed during a sensitive period of visual development in early childhood. Participants with congenital or late-onset blindness did not form these associations, while those with normal vision showed evidence of reliable sound-shape associations.

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.

Village women prove effective at tackling Indonesia's growing killer

Researchers found a 14.5% increase in appropriate use of preventive medicine and a 41% reduction in blood pressure among patients using SMARTHealth. The program, developed by the George Institute, empowers local women with training on blood sample collection and data analysis to provide cardiovascular care.

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.

Comparison of patient-doctor priorities in chronic disease management

A study of 153 patient-physician pairs found only modest agreement on prioritizing chronic conditions, with 29% of patients' first priorities not matching physicians' lists. Agreement varied by condition, with stronger agreements for common conditions like hypothyroidism and diabetes.

Shifting weight in shift workers

A world-first study is being conducted to explore novel weight loss regimes for night shift workers in Australia, where irregular hours disrupt normal eating and sleeping patterns. Researchers hope to guide night shift workers to better health with the findings of this study.

Many older hospitalized patients with cancer experience malnutrition

A Brazilian multicenter study found that older hospitalized patients with cancer have a high prevalence of malnutrition, affecting nearly half of the patient population. The study highlights the need for nutritional assessments soon after hospitalization to prevent malnutrition and weight loss.

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.

Building blocks of bird babble identified

Researchers at the University of Zurich and others identified two perceptually distinct sounds in chestnut-crowned babbler calls that are shared across different arrangements. The findings suggest that these elements are meaningless and may be an early step in the emergence of human language.

Cranial kinesis and avian palate evolution

A fossil study reconstructs the avian palate of Sapeornis chaoyangensis, shedding light on cranial kinesis. The research suggests that cranial kinesis may have facilitated the diversification and evolutionary success of Neognathae lineage.

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.

Plastics, fuels and chemical feedstocks from CO2? They're working on it

SUNCAT researchers have made significant breakthroughs in converting CO2 into chemicals, fuels, and plastics using electrochemical reduction. By increasing the surface area of copper-based catalysts, they've improved selectivity and efficiency, offering a potential solution to reduce greenhouse gas emissions.

Ages of the Navajo Sandstone

A new study published in Geology has determined the ages of Navajo Sandstone deposits, providing a timeline of desertification that occurred during the Early Jurassic. The findings show that parts of eastern Utah's Navajo desert are much older than previously thought, and that the giant sand sea had a wetter climate at times.

And then there was light: Looking for the first stars in the universe

Researchers have detected a 10-fold improvement in data gathered by the Murchison Widefield Array, bringing them closer to understanding the life and death of the earliest stars. The signal is more than 12 billion years old and was refined using new techniques to exclude sources of contamination.

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.