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Science News for May 21, 2019


After GWAS studies, how to narrow the search for genes?

Researchers describe an effective, unbiased method for choosing the best algorithm for prioritizing GWAS results, called Benchmarker. Combining multiple strategies often gives the best results and certain algorithms perform best when looking for genes for specific traits.

SourceBoston Children's Hospital·JournalAmerican Journal of Human Genetics·DateMay 21, 2019
Apple iPhone 17 Pro

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

Scientists discover potential breakthrough in the understanding of tumor dormancy

Researchers at VCU Massey Cancer Center have made a significant discovery regarding tumor dormancy, a state of inactivity that allows cancer cells to evade detection and recurrence. By targeting senescent cells, they hope to develop novel therapeutics that can eliminate dormant tumor cells and prevent disease recurrence.

SourceVirginia Commonwealth University, Massey Cancer Center·JournalCancer Research·DateMay 21, 2019

Positive aspects of masculinity helps improve boys' attitudes toward relationship violence

A pilot program focusing on positive expressions of masculinity improved middle school boys' attitudes toward relationship violence, reducing beliefs that coercion and violence are acceptable. The 'Reducing Sexism and Violence Program - Middle School Program' also taught empathy, healthy relationships and bystander intervention skills.

SourceRutgers University·JournalChildren and Youth Services Review·DateMay 21, 2019

The insulin under the influence of light

Scientists uncover how light influences insulin sensitivity and metabolic homeostasis, shedding light on the circadian rhythms' impact on diabetes. The study suggests that taking into account time of day can help patients better manage their treatment and reduce risks associated with daily insulin injections.

SourceUniversité de Genève·JournalCell Reports·DateMay 21, 2019
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.

Summit charts a course to uncover the origins of genetic diseases

A team developed an integrative model of the transcription preinitiation complex (PIC) using IBM's Summit system. The new model provides superior insights into protein structures and dynamics, revealing how mutations cause genetic diseases.

SourceDOE/Oak Ridge National Laboratory·JournalNature Structural & Molecular Biology·DateMay 21, 2019

Only half of US kids and teens have ideal cholesterol levels

According to a study published in JAMA, only half of children and adolescents in the US have ideal cholesterol levels, with 25% having clinically high levels. High cholesterol in childhood is a key risk factor for developing heart disease later in life.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalJAMA·DateMay 21, 2019

3-million-year-old fossilized mouse reveals evolutionary secrets of color

A team of researchers from the University of Manchester has made a groundbreaking discovery in the field of paleontology, revealing colorful pigments from ancient mouse remains. The study used X-ray imaging to analyze fossils over 3 million years old, unlocking secrets about key pigments and their evolution.

SourceUniversity of Manchester·JournalNature Communications·DateMay 21, 2019
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.

What happens to young adults after a first heart attack?

Nearly one in 10 young adults who had a heart attack met the clinical definition for familial hypercholesterolemia. Many patients continued having elevated cholesterol levels a year after their heart attack, highlighting opportunities for more aggressive treatment.

SourceBrigham and Women's Hospital·JournalJournal of the American College of Cardiology·DateMay 21, 2019

Lake sediment records reveal recent floods in NW England (UK) unprecedented

A new study of UK lake sediment records has found that recent floods in Northern England were the largest in 600 years, highlighting the impact of climate changes. The research uses lake sediment records and river flow data to establish long-term flood frequency models, aiming to improve flood risk management in the UK.

SourceUniversity of Liverpool·JournalEarth Surface Processes and Landforms·DateMay 21, 2019

Strain enables new applications of 2D materials

Physicists from the University of Belgrade have found a way to manipulate superthin layers of graphene to create new artificial materials with enhanced properties. Applying tensile biaxial strain increases the critical temperature, making high-temperature superconductivity easier to achieve.

SourceAmerican Institute of Physics·JournalJournal of Applied Physics·DateMay 21, 2019

Exercise: Psych patients' new natural prescription

A new study suggests that physical exercise can alleviate patient symptoms of anxiety, depression, and schizophrenia, potentially reducing time spent in acute facilities. Practitioners are now considering exercise as a fundamental treatment option, alongside pharmacological interventions.

SourceUniversity of Vermont·JournalGlobal Advances in Health and Medicine·DateMay 21, 2019
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.

Multiple brain regions moderate and link depressive mood and pain

A new study reveals that specific brain regions, including executive function areas and sensory monitoring zones, moderate both depressive mood and physical pain. The research found that individuals with higher levels of depressive mood exhibited increased sensitivity to pain and heightened activation in these brain regions.

SourceUniversity of California - San Diego·JournalPain·DateMay 21, 2019
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

CBD clinical trial results on seizure frequency in dogs 'encouraging'

A pilot study led by Dr. Stephanie McGrath found that 89% of dogs who received CBD had a reduction in seizure frequency. The research suggests a correlation between CBD concentration and seizure reduction, leading to potential alternative treatments for canine epilepsy.

SourceColorado State University·JournalJournal of the American Veterinary Medical Association·DateMay 21, 2019

Penguins and their chicks' responses to local fish numbers informs marine conservation

Researchers studied African penguins' responses to changes in local fish abundance, finding that penguins' foraging behavior and chick body condition are directly linked to fish availability. The study suggests that penguins could be key indicators of local ecosystem health, informing fisheries management and conservation efforts.

SourceBritish Ecological Society·JournalJournal of Applied Ecology·DateMay 21, 2019
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.

Discrimination against older people needs attention, study says

A recent study by Donna Wilson reveals that 48-91% of older adults experience ageism, while 50-98% of younger people admit to discriminatory thoughts or behaviors. The research highlights the need for more comprehensive surveys and anti-ageism legislation to address this pressing issue.

SourceUniversity of Alberta·JournalAgeing Research Reviews·DateMay 21, 2019

Ammonium fertilized early life on earth

Researchers at Syracuse University and international team discover evidence of abundant ammonium in pre-GOE oceans, providing a nutrient-rich environment for early life. This finding sheds light on the critical importance of nitrogen and phosphorus in Earth's history.

SourceSyracuse University·JournalNature Geoscience·DateMay 21, 2019

CBD reduces craving and anxiety in people with heroin use disorder

A study published in the American Journal of Psychiatry found that CBD significantly reduced craving and anxiety induced by drug cues in individuals with heroin use disorder. The study also revealed that CBD tended to reduce physiological measures of stress reactivity, such as increased heart rate and cortisol levels.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalAmerican Journal of Psychiatry·DateMay 21, 2019

Johns Hopkins researchers publish digital health roadmap

The Johns Hopkins researchers advocate for a 'digital health scorecard' to provide objective validation and ratings for health technology solutions. They aim to address the lack of rigor in evaluating health care technology, which often prioritizes speed over safety and clinical effectiveness.

SourceJohns Hopkins Medicine·Journalnpj Digital Medicine·DateMay 21, 2019
Fluke 87V Industrial Digital Multimeter

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

Study to explore reasons rural communities are less healthy

Researchers are conducting a six-year study to investigate the factors contributing to poor health in rural communities. The study will recruit 4,000 participants from 10 rural counties and collect data on lifestyle, behavioral factors, medical history, and environmental elements.

SourceUniversity of Louisville·DateMay 21, 2019

Why lack of sleep is bad for your heart

A study published in Experimental Physiology found that short-sleepers have lower blood levels of three microRNAs, which influence gene expression and maintain vascular health. This could lead to new tests for sleep-deprived patients concerned about their health.

SourceUniversity of Colorado at Boulder·JournalExperimental Physiology·DateMay 21, 2019
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.

Road to cell death mapped in the Alzheimer's brain

Researchers have identified a new mechanism that accelerates aging in the brain and gives rise to the most devastating biological features of Alzheimer's disease. This finding unifies three long-standing theories behind the disease's origins into one cohesive narrative.

SourceVan Andel Research Institute·JournalNature Communications·DateMay 21, 2019

Interventions with paclitaxel drug-coated balloons

The American Heart Association statement addresses the controversy surrounding paclitaxel-eluting stents and drug-coated balloons in peripheral interventions. Despite a 2018 meta-analysis suggesting increased mortality with paclitaxel exposure, individual sponsor-driven analyses have failed to replicate these findings.

SourcePCR·DateMay 21, 2019

Successful HIV effort prompts call for clinics to expand mental health services on site

A new study from UVA School of Medicine suggests that co-located mental health services improve HIV viral suppression rates among vulnerable populations, with a notable increase in older and white patients. The researchers are calling for more Ryan White HIV/AIDS clinics to expand their on-site mental health services.

SourceUniversity of Virginia Health System·JournalOpen Forum Infectious Diseases·DateMay 21, 2019
Celestron NexStar 8SE Computerized Telescope

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

Algorithm steers catheters to the right spot to treat atrial fibrillation

Researchers developed an algorithm that guides catheter movements to detect atrial fibrillation sources with high accuracy. The iterative catheter navigation (ICAN) algorithm achieves over 95% success rate in human Afib simulations, even in challenging scenarios like fibrosis and patchy scars.

SourceFlorida Atlantic University·JournalCardiovascular Engineering and Technology·DateMay 21, 2019

Children of both young and old parents share risk for certain neurodevelopment disorders

A recent study found that younger parental age significantly increases the risk of ADHD and Tourette's, while older parental age is associated with Autism and obsessive-compulsive disorders. The research provides valuable insights into the complex relationships between parental age and offspring neuropsychiatric disorders.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateMay 21, 2019

Dead cells disrupt how immune cells respond to wounds and patrol for infection

New research at the University of Sheffield reveals that dead cells can disrupt the normal function of immune cells, called macrophages, which are crucial for responding to wounds and patrolling for infection. The study's findings could lead to new therapies to manipulate white blood cells and accelerate healing processes.

SourceUniversity of Sheffield·JournalPLOS Biology·DateMay 21, 2019

Novel index accurately predicts PCI success post procedure compared to standard measurement metrics

A novel non-hyperemic pressure ratio (NHPR) index, combined with fractional flow reserve (FFR), accurately predicts percutaneous coronary intervention (PCI) success. The study found a significant linear correlation between NHPR and FFR, with a Pd/Pa value of <0.90 demonstrating excellent diagnostic performance against FFR.

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 21, 2019
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.

Inhibition of protein phosphorylation promotes optic nerve regeneration after injury

Researchers at Waseda University have found that inhibiting the phosphorylation of CRMP2, a microtubule-binding protein, suppresses degeneration and promotes regeneration of nerve fibers in the optic nerve after injury. This breakthrough could lead to the development of novel treatments for patients with optic neuropathies such as glau...

SourceWaseda University·JournalScientific Reports·DateMay 21, 2019

Widespread testing, treatment of Hepatitis C in US prisons improves outcomes

Researchers found that testing all persons entering prison for Hepatitis C, treating those with at least 12 months remaining in their sentence, and linking individuals to care upon release improves health outcomes. The strategy was cost-effective but associated with an additional annual cost of $1,440 per prisoner.

SourceBoston Medical Center·JournalClinical Infectious Diseases·DateMay 21, 2019

Female firefighters more likely to suffer PTSD, contemplate suicide

A University of Houston study finds that one-fifth of female firefighters experience post-traumatic stress disorder symptoms and are at higher risk of contemplating suicide than their male colleagues. Women with PTSD symptoms were more likely to be in their mid-career years, suggesting a need for targeted intervention strategies.

SourceUniversity of Houston·JournalOccupational Medicine·DateMay 21, 2019
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.

Patients who lose significant weight before a transplant are at higher risk of dying

A recent study by Drexel University researchers found that patients who lost significant weight before a kidney transplant had an 18% higher risk of death after the procedure. The study analyzed data from over 94,000 transplant recipients and found that even planned weight loss could be dangerous if not closely monitored.

SourceDrexel University·JournalAmerican Journal of Kidney Diseases·DateMay 21, 2019
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.

Global agreement reached on standards for clinical trials in children with MS

The International Pediatric MS Study Group has released updated standards for clinical trials involving children and teens with multiple sclerosis. The new recommendations prioritize pharmacokinetic/pharmacodynamic studies, phase 3 trials in adults considering teenagers, and open-label extension studies to ensure high-quality evidence ...

SourceNational Multiple Sclerosis Society·JournalNeurology·DateMay 21, 2019

New ultra-fast imaging technology with high frame rate and frame number

Researchers at City University of Hong Kong have developed a novel compressed ultrafast photographic technique enabling both high frame rate and large frame number. This new technique offers an important tool for observing complex transient processes on the femtosecond timescale.

SourceCity University of Hong Kong·JournalPhysical Review Letters·DateMay 21, 2019

Doctors can estimate patient adherence by simply asking about medication routine

Researchers found that doctors were as accurate in estimating patients' adherence as patients were in reporting their medication habits. Developing a medication routine or habit can lessen the risk of forgetting medication. The study aims to provide insights for doctors to effectively identify and address barriers to medication adherence.

SourceIowa State University·JournalJournal of General Internal Medicine·DateMay 21, 2019
Meta Quest 3 512GB

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

New study finds distinct microbes living next to corals

A new study from the Woods Hole Oceanographic Institution has discovered distinct microbial communities surrounding Caribbean corals. The research found that different types of coral have unique microbial communities living near them, with some species showing enriched presence in the seawater closer to corals.

SourceWoods Hole Oceanographic Institution·JournalLimnology and Oceanography·DateMay 21, 2019

Water formation on the moon demonstrated by UH Manoa scientists

A cross-disciplinary study by UH Manoa scientists reveals chemical and physical evidence of water formation on the Moon. The research proposes a mechanism where solar wind protons, lunar minerals, and micrometeorite impacts interact to produce water vapor.

SourceUniversity of Hawaii at Manoa·JournalProceedings of the National Academy of Sciences·DateMay 21, 2019

New framework improves performance of deep neural networks

Researchers at North Carolina State University have developed AOGNets, a new framework for building deep neural networks via grammar-guided network generators. The new networks outperformed existing state-of-the-art frameworks in visual recognition tasks, achieving better prediction accuracy and model interpretability.

SourceNorth Carolina State University·DateMay 21, 2019
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.

How to program materials

Ali Gooneie simulates atoms and molecules to explain material properties like smooth surfaces, flexibility, heat-conductivity, and insulation. His research uses the finite element method to predict macroscopic properties of composite materials.

SourceSwiss Federal Laboratories for Materials Science and Technology (EMPA)·JournalPolymer Degradation and Stability·DateMay 21, 2019

Toward zero hunger: More food or a smarter food system?

Researchers argue that increasing crop yields is insufficient to end global hunger, as it overlooks the environmental impacts and nutritional quality of diets. A new study suggests that adopting ecological principles can improve the environmental sustainability of food production and promote biodiversity.

SourceUniversity of Michigan·JournalWorld Development·DateMay 21, 2019

Solving a scientific mystery and finding a solution for industry

Researchers have discovered a new mechanism for the formation of strontium-rich barite in seawater, which could lead to more efficient methods for removing toxins from water. The study found that organic matter can create conditions that promote the nucleation and incorporation of strontium into barite precipitates.

SourceUniversity of Houston·JournalProceedings of the National Academy of Sciences·DateMay 21, 2019
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.

Blood proteins help predict risk of developing heart failure

A study of over 8,000 participants found that elevated troponin I levels are associated with cardiac outcomes like heart attacks and fatal coronary disease. Adding troponin I to a risk prediction model improves accuracy in predicting heart failure risk, highlighting the potential for improved treatment strategies.

SourceBaylor College of Medicine·JournalCirculation·DateMay 21, 2019

River valleys helped shape current genetic landscape of Han Chinese

A recent study found that the three main river valleys in China contributed significantly to Han Chinese genetic diversity. The research used mitochondrial DNA and analyzed data from 21,668 unrelated Han Chinese samples, revealing patterns of genetic divergence among populations based on river valleys. These findings suggest that the m...

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalMolecular Biology and Evolution·DateMay 21, 2019
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.

UTA research addresses evolving learning needs

The University of Texas at Arlington's George Siemens is developing an integrated data infrastructure to centralize digital learning and engagement tools. This project aims to understand how people interact with technology and its impact on human knowledge development in both education and corporate environments.

SourceUniversity of Texas at Arlington·DateMay 21, 2019

Want to eliminate workplace bias? Watch your rating system, study says

A study by University of Toronto researchers found that a six-point performance rating scale reduces the gender gap in ratings, with both sexes getting top rankings almost equally. Altering the ratings scale can limit the expression of pre-existing biases, such as stereotypes associating brilliant performance with men more than women.

SourceUniversity of Toronto, Rotman School of Management·JournalAmerican Sociological Review·DateMay 21, 2019

Early life exposure to nicotine alters neurons, predisposes brain to addiction later

Researchers at UC San Diego found that neonatal nicotine exposure changes the biochemistry of the reward circuitry in mice brains, increasing their preference for nicotine in later adulthood. This study suggests a potential mechanism for how early life exposure to nicotine may contribute to addiction later in life.

SourceUniversity of California - San Diego·JournalBiological Psychiatry·DateMay 21, 2019
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 lidar instruments peer skyward for clues on weather and climate

Researchers have developed diode-based lidar instruments that can measure atmospheric water vapor, aerosols and temperature, filling gaps in US meteorological data. The instruments are operational and have provided accurate measurements with minimal error, paving the way for improved weather forecasting and climate modeling.

SourceOptica·DateMay 21, 2019

Stellar waltz with dramatic ending

Astronomers have discovered an unusual celestial object, likely the result of two white dwarfs merging and fusing heavier elements. The star's strong stellar wind and magnetic field accelerate its collapse into a neutron star, culminating in a massive supernova explosion.

SourceUniversity of Bonn·JournalNature·DateMay 21, 2019

Statistical model could predict future disease outbreaks

Researchers developed a statistical method to predict disease reemergence, particularly for preventable childhood infections like measles and pertussis. The model analyzes subtle changes in reported cases to identify early warning signals for emerging diseases.

SourceUniversity of Georgia·JournalPLOS Computational Biology·DateMay 21, 2019
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Tropical Pacific variability key for successful climate forecasts

A team of scientists identified the tropical Pacific as a crucial factor in climate forecasting, with natural climatic fluctuations affecting future climate development. Better ocean data, particularly subsurface data, can improve predictions significantly.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·DateMay 21, 2019

In a first, researchers identify reddish coloring in an ancient fossil

Researchers have detected chemical traces of red pigment in a 3 million-year-old fossilized mouse, which was dressed in brown to reddish fur on its back and sides. This breakthrough study uses X-ray spectroscopy and multiple imaging techniques to reveal the delicate chemical signature of pigments in ancient organisms.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature Communications·DateMay 21, 2019

How usable is virtual reality?

Researchers developed an automated process to detect user-friendliness issues in virtual environments. This technology allows for more frequent, cost-effective, and efficient testing of virtual reality applications, leading to improved user experience and reduced errors.

SourceUniversity of Göttingen·JournalACM Transactions on Computer-Human Interaction·DateMay 21, 2019

Experts urge stronger emphasis on cancer prevention in older population

A new supplement to The Gerontologist journal calls for a comprehensive approach to cancer prevention in older adults, including improved health literacy, sun protection, and positive attitudes toward aging. Experts identify opportunities to reduce cancer risk through evidence-based measures and best practices.

SourceThe Gerontological Society of America·JournalThe Gerontologist·DateMay 21, 2019
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.

What makes a place a home?

New research reveals that lionfish populations on mesophotic reefs are affected by prey abundance and water temperature. Higher densities of lionfish were found at sites with lower bottom temperatures, suggesting cold-water upwelling currents fuel the food chain in these areas.

SourceBermuda Institute of Ocean Sciences·JournalFrontiers in Marine Science·DateMay 21, 2019

Berkeley lab project to pinpoint methane 'super emitters'

The Berkeley Lab project, SUMMATION, aims to quantify and mitigate methane emissions in California by identifying super emitters. Researchers will use a tiered observation system, combining fixed towers, aircraft, and field campaigns to detect and monitor methane emissions.

SourceDOE/Lawrence Berkeley National Laboratory·DateMay 21, 2019
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.

New method could shed light on workers' historical radiation exposure

Researchers created a Job-Exposure Matrix (JEM) approach to estimate average plutonium exposure levels for early Sellafield workers. This method overcomes missing or deficient data limitations, enabling more accurate epidemiological studies of internal radiation risks.

SourceIOP Publishing·JournalJournal of Radiological Protection·DateMay 21, 2019

More primary care may reduce rates of respiratory failure

A review of nearly 2.5 million patient records found that regions with greater primary care usage had lower respiratory failure admissions, particularly among patients with chronic diseases like asthma and COPD. This suggests that more primary care may reduce rates of respiratory failure and ICU admissions.

SourceAmerican Thoracic Society·DateMay 21, 2019

Using 3D to test personalized treatments in five days

Researchers at UNIGE have created a 3D cell co-culture platform to test personalized cancer treatments, demonstrating that low-dose combinations of drugs are more effective than high-dose monotherapies. The platform opens the door to rapid and cost-effective treatment options for various types of tumors.

SourceUniversité de Genève·JournalScientific Reports·DateMay 21, 2019

Food insecurity in Nunavut increased after Nutrition North Canada introduced

The introduction of Nutrition North Canada led to a significant increase in food insecurity, affecting 46% of households in 2014 compared to 33% in 2010. Despite the program's focus on nutritious foods, high prices and other factors contributed to worsening food access issues in Nunavut communities.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateMay 21, 2019
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.

Most e-cigarette users want to quit, Rutgers study finds

A Rutgers University study found that over 60% of e-cigarette users want to quit using e-cigarettes. The study also revealed that more than 25% have tried to quit in the past year and 16% plan to quit within a month.

SourceRutgers University·JournalNicotine & Tobacco Research·DateMay 21, 2019

Baby tiger sharks eat songbirds

A study published in Ecology found that baby tiger sharks eat a variety of terrestrial birds, including songbirds like sparrows and woodpeckers. The sharks' stomachs contained remains from 41 out of 105 juvenile sharks, revealing a diet that includes land-dwelling bird species.

SourceField Museum·JournalEcology·DateMay 21, 2019

Contact with nature during childhood could lead to better mental health in adulthood

A new study by ISGlobal found that adults who had close contact with natural spaces during childhood may have a better mental health than those with less exposure. The results show lower scores in mental health tests for participants with lower childhood exposure to nature.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalInternational Journal of Environmental Health Research·DateMay 21, 2019

Soy foods linked to fewer fractures in younger breast cancer survivors

A study published in JNCI Cancer Spectrum found that diets high in soy foods are associated with a decreased risk of osteoporotic bone fractures in pre-menopausal breast cancer survivors. Soy intake was linked to a 77% reduced risk of fractures, particularly among younger women.

SourceOxford University Press USA·JournalJNCI Cancer Spectrum·DateMay 21, 2019
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.

Eastern forests shaped more by Native Americans' burning than climate change

A recent study suggests that Native Americans' use of fire to manage vegetation in the Eastern United States had a more profound impact on forest composition than climate change. The researchers found that frequent and widespread human-caused fire resulted in the predominance of fire-adapted tree species, leading to changes in forest c...

SourcePenn State·JournalAnnals of Forest Science·DateMay 21, 2019

How molecular escorts help prevent cancer

Research at Technical University of Munich shows that molecular chaperones Hsp70 and Hsp40, as well as Hsp90, control the function of p53 by influencing its three-dimensional structure. This helps prevent cancer cells from growing.

SourceTechnical University of Munich (TUM)·JournalMolecular Cell·DateMay 21, 2019

COPD exacerbations may decrease with web-based intervention

A web-based intervention that included physical activity goals, disease self-management education, and a community forum reduced the risk of acute exacerbation in COPD patients. The reduction in exacerbations occurred despite no significant increase in physical activity levels compared to those receiving only a pedometer.

SourceAmerican Thoracic Society·DateMay 21, 2019

First in human results show early bird device effective in early detection of internal bleeding

The Saranas Early Bird Bleed Monitoring System has been shown to detect bleeding events during endovascular procedures with a high degree of accuracy, reducing the risk of complications and mortality. The device was tested in 60 patients and detected bleeding in 63% of cases, with no device-related complications reported.

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 21, 2019
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.

Re-designing hydrogenases

Researchers at EPFL have successfully synthesized a manganese-hydrogenase by incorporating a manganese complex into an iron-hydrogenase. The resulting semi-synthetic enzyme is active for the native reaction of iron-hydrogenase, marking a significant breakthrough in metalloenzyme design.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Chemistry·DateMay 21, 2019

Did cholesterol levels improve among us kids, adolescents?

Cholesterol levels in US children and adolescents decreased over two decades, with favorable changes observed in total cholesterol and triglycerides. However, only half of participants achieved ideal levels for all measures, highlighting the need for continued efforts to address childhood obesity.

SourceJAMA Network·JournalJAMA·DateMay 21, 2019
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.

Head injury effects halted by xenon gas, finds first ever life-long study in mice

Researchers found that xenon gas treatment shortly after a head injury prevents early death and long-term cognitive impairment in mice. The treatment also protects brain tissue and reduces inflammation, which may lead to new treatments for people with TBI. This study provides promising results for future human trials.

SourceImperial College London·JournalBritish Journal of Anaesthesia·DateMay 21, 2019

Russian scientists synthesized protein to enrich stock-raising feed

Researchers at Far Eastern Federal University developed a technology to synthesize protein from amaranth grains and mushroom mycelium, enriching stock-raising feed. The new feed is biologically equivalent to the storage protein A1 isolated from amaranth, meeting the natural amino acid composition.

SourceFar Eastern Federal University·DateMay 21, 2019

Bring on faster internet: Device packs more into optical fiber

Researchers at University of Queensland developed a light beam device that can split light into multiple modes, increasing information density and potential for faster internet speeds. The device has applications in medical imaging, astronomy, and communication, enabling higher-quality images with greater detail.

SourceUniversity of Queensland·JournalNature Communications·DateMay 21, 2019

Children with cancer wait an average of 6.5 years longer than adults to access new drugs

A recent study found that children with cancer wait an average of 6.5 years longer than adults to access new drugs. Researchers at Dana-Farber/Boston Children's Cancer and Blood Disorders Center are advocating for improved pediatric trial timelines. The delay can lead to a lack of effective treatments for life-threatening diseases.

SourceBoston Children's Hospital·JournalEuropean Journal of Cancer·DateMay 21, 2019
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.

What's the right amount of 'zapping' in epilepsy laser surgery?

Researchers analyzed data from 234 patients undergoing minimally invasive laser surgery for epilepsy, finding that targeting specific brain regions such as the amygdala and hippocampal head improved seizure-free outcomes with minimal side effects. The study's results provide insights into the most effective approach for this type of su...

SourceThomas Jefferson University·JournalEpilepsia·DateMay 21, 2019

Life in evolution's fast lane

Scientists discovered a lineage of budding yeasts that has lost dozens of genes involved in DNA repair and cell cycle processes. These gene losses result in the yeast's genomes changing rapidly, leading to unique biological characteristics.

SourcePLOS·JournalPLOS Biology·DateMay 21, 2019

UC studies links between air pollution and childhood anxiety

Researchers found significant increases in myo-inositol levels and generalized anxiety symptoms among children exposed to traffic-related air pollution. The study suggests a partial link between high TRAP exposure and increased anxiety, highlighting the potential impact on population health.

SourceUniversity of Cincinnati·JournalEnvironmental Research·DateMay 21, 2019

Study explains why some parasitic worms persist in people

A new mathematical model developed at the University of Nebraska-Lincoln suggests that large collective of parasitic worms can kick-start a self-perpetuating cycle ensuring their survival. The study found that quantity of parasites alone determines whether they persist in a host, contrary to previous approaches.

SourceUniversity of Nebraska-Lincoln·DateMay 21, 2019

Space travel and your joints

A recent study found early signs of cartilage breakdown in mice exposed to microgravity for 30 days. The researchers theorize that the lack of gravity's biomechanical forces leads to joint unloading, causing cartilage degradation. This could have significant implications for future astronauts on long-term space missions.

SourceHenry Ford Health·DateMay 21, 2019

Formation of the moon brought water to Earth

Researchers from the University of Münster find that the Moon's collision with Earth brought large quantities of water, essential for life. The discovery sheds light on the Moon's origin and its role in making Earth a habitable planet.

SourceUniversity of Münster·JournalNature Astronomy·DateMay 21, 2019

World's first wearable kidney goal of USask-led research team

A USask-led research team is developing an artificial portable kidney that can be worn by patients with renal failure, reducing hospital visits and healthcare costs. The team aims to create a highly efficient dialysis membrane that mimics the human kidney's filtering properties.

SourceUniversity of Saskatchewan·DateMay 21, 2019

BU finds elevated chemical levels in nail technicians' blood

A study led by Boston University researchers discovered high levels of toluene and ethyl acetate in nail technicians' blood, but improved ventilation significantly reduced air pollutant exposure. The findings highlight the importance of active ventilation in reducing solvent levels in salon air.

SourceBoston University School of Medicine·JournalIndoor Air·DateMay 21, 2019

Study supports effectiveness of new fast-acting antidepressant, esketamine nasal spray

A new study published in the American Journal of Psychiatry supports the effectiveness and safety of esketamine nasal spray for treating moderate to severe depression in people who have not responded to previous treatment. The study found significant improvements in depression symptoms within 24 hours of taking the medication.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateMay 21, 2019

Mathematicians revive abandoned approach to Riemann Hypothesis

Researchers have revived an old approach to the Riemann Hypothesis using Jensen-Polya polynomials, providing a new framework for understanding prime numbers. The approach reveals a method to calculate the polynomials all at once, opening up new avenues for solving other fundamental mathematical problems.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateMay 21, 2019

Scientists explore connection between aging fat and Alzheimer's

Researchers investigating the link between aging fat cells and Alzheimer's disease have found that fat cells play a crucial role in supporting neuronal growth and survival. The study suggests targeting a specific receptor, PPAR-γ2, could lead to a new treatment for Alzheimer's.

SourceMedical College of Georgia at Augusta University·DateMay 21, 2019

Study reveals breakthrough in understanding long-term memory retrieval

A breakthrough study reveals the anterior cingulate cortex plays a crucial role in synchronizing brain waves to retrieve long-term memories after two weeks. This discovery could lead to new treatments for Alzheimer's disease and other forms of dementia by understanding how our brains process and access older memories.

SourceUniversity of Nevada, Las Vegas·JournalCell Reports·DateMay 21, 2019

BU researchers discover a new beneficial function of an ancient protein

Researchers from Boston University School of Medicine have discovered a previously unknown role of Serum Amyloid A (SAA) in rapidly removing lipid debris from damaged cells. This process is crucial for tissue healing and survival during acute events such as injury, infection, or inflammation.

SourceBoston University School of Medicine·DateMay 21, 2019