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Science News Archive 2017 - Page 257


Page 257 of 461

Study sheds new light on inherited testicular cancer risk

A study has identified eight new genetic locations associated with an increased risk of testicular germ cell tumors. The findings, published in Nature Genetics, could help doctors understand which men are at the highest risk of developing the disease and signal them to screen those patients.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Genetics·DateJun 12, 2017

Status epilepticus: An overview

Status epilepticus is a neurologic emergency with neuronal damage and systemic complications, emphasizing the need for timely treatment. The latest ILAE classification of epilepsy seizures and underlying etiologies are discussed, along with management guidelines and anticonvulsant drug therapies.

SourceBentham Science Publishers·JournalCurrent Drug Metabolism·DateJun 12, 2017
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.

Bilingual children are better at recognizing voices

A study by NYU's Steinhardt School found that bilingual children excel at perceiving information about who is talking, including recognizing voices. The research suggests that speaking multiple languages enhances social perception and processing abilities.

SourceNew York University·DateJun 12, 2017

Mixing booze and pot is a serious threat to traffic safety

A recent study by Columbia University's Mailman School of Public Health found that mixing booze and pot increases the risk of fatal two-vehicle crashes. Drivers who used alcohol, marijuana, or both were more likely to be responsible for causing fatal crashes compared to sober drivers. The researchers analyzed data from 14,742 fatal two...

SourceColumbia University's Mailman School of Public Health·JournalAnnals of Epidemiology·DateJun 12, 2017

Metastatic breast cancer cells use hedgehog to 'evilize' docile neighbors

Researchers found that metastatic breast cancer cells signal neighboring cells through the GLI transcription factor, allowing otherwise anchored cells to metastasize. The discovery highlights a promising link in the hedgehog signaling pathway, which can be targeted to reduce metastatic potential.

SourceUniversity of Colorado Anschutz Medical Campus·JournalNature Communications·DateJun 12, 2017

A single molecule is missing and the cell world is empty

Researchers at UNIGE have discovered the essential role of Vps4 molecule in cell division, shedding light on the fight against cancer and HIV. The study reveals that Vps4 is necessary for abscission, a stage where cell membranes are severed, and its absence inhibits cell division and delays it significantly.

SourceUniversité de Genève·JournalNature Cell Biology·DateJun 12, 2017
Apple iPhone 17 Pro

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

Volcanic 'plumerang' could impact human health

A team of scientists discovered a previously undetected health risk from volcanic plumes, finding that certain fine particles can penetrate deep into lungs, exacerbating asthma attacks. The study recommends considering both young and mature plumes when forecasting air pollution and dispersion.

SourceUniversity of Leeds·JournalEarth and Planetary Science Letters·DateJun 12, 2017

Peatlands, already dwindling, could face further losses

Climate change threatens tropical peat swamps, which once removed carbon dioxide from the atmosphere. Peatland forests in Southeast Asia have been disappearing due to clear-cutting and drainage projects, now potentially destroying forested peatlands.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017

Study: Underweight female runners more likely to get stress fractures

A new study from The Ohio State University Wexner Medical Center reveals that female runners with a body mass index (BMI) of less than 19 are more likely to develop stress fractures. Lighter women who suffered stress fractures took longer to recover, highlighting the importance of maintaining a healthy BMI through resistance training.

SourceMediaSource·JournalCurrent Orthopaedic Practice·DateJun 12, 2017
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.

How do preemies perform in school?

A large-scale study found that premature babies born at 23-24 weeks were ready for kindergarten on time, while those born 25 weeks or later performed only slightly lower than full-term infants. Nearly 2% of extremely premature babies achieved gifted status in school.

SourceNorthwestern University·JournalJAMA Pediatrics·DateJun 12, 2017

Spouses' daily responses to partners' pain linked with later functioning

A new study found that spouses' empathic responses to their partners' pain improve the partner's physical functioning over time. Patients with spouses who provided emotional support and attention showed better balance, gait speed, and ability to rise from a chair compared to those with less responsive spouses.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJun 12, 2017
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.

Drug costs vary by more than 600% in study of 10 high-income countries

A study of 10 high-income countries found that prescription drug costs varied by more than 600% across different primary care medicines. The study, published in the Canadian Medical Association Journal, highlights differences in drug prices among countries with universal healthcare.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 12, 2017

Structural analysis of relevant drug targets for Alzheimer's disease

Researchers analyzed BACE_1, a critical enzyme in Alzheimer's disease, and proposed modifications to increase inhibitor bioavailability. Novel nanoparticle techniques are also being explored to destroy amyloid plaques, offering new hope for AD treatment.

SourceBentham Science Publishers·JournalCurrent Bioactive Compounds·DateJun 12, 2017

Can a single exercise session benefit your brain?

A new review of research on acute exercise found that it improves executive function, enhances mood, and decreases stress levels in humans. Neurophysiological and neurochemical changes also show widespread brain activation after a single bout of physical activity.

SourceIOS Press·JournalBrain Plasticity·DateJun 12, 2017

Common periodontal pathogen may interfere with conception in women

A study found that Porphyromonas gingivalis, a common periodontal pathogen, may delay conception in young women. The bacteria were more frequently detected in saliva among women who did not become pregnant, and higher antibody levels were also associated with conception delays.

SourceUniversity of Helsinki·JournalJournal of Oral Microbiology·DateJun 12, 2017
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.

Acting and thinking -- are they the same for our brain?

Researchers propose that a single neural network, the fronto-parietal network, relies on 'emulation' to perform various cognitive tasks. This process creates an abstract dynamic image of movements, enabling the brain to strengthen motor skills and construct precise representations.

SourceUniversité de Genève·JournalTrends in Cognitive Sciences·DateJun 12, 2017

Mass. General report outlines strategies to address racial, ethnic health care disparities

The report identifies five essential domains for successfully addressing disparities: knowing who to involve, shaping organizational culture, creating urgency and a vision, engaging the organization and audience, and harnessing the power of a collaborative network. These strategies were developed by participants in the Massachusetts Ge...

SourceMassachusetts General Hospital·JournalHealth Affairs·DateJun 12, 2017

Rattling DNA hustles transcribers to targets

New simulations reveal DNA's constant motion enables rapid transcription factor diffusion, contradicting the long-held assumption of rigid DNA. The findings have significant implications for understanding cell processes and potentially boost speed and accuracy in biological and medical research.

SourceGeorgia Institute of Technology·JournalBiophysical Journal·DateJun 12, 2017

OSU researcher part of $14 million NSF program for improved genomic tools

A $1.875 million EDGE program award will help Virginia Weis study the microscale mechanisms behind coral-algal symbiosis, a key component of coral reef ecosystems threatened by environmental stress and climate change. The project aims to develop new genomic tools and techniques for understanding coral health and stress.

SourceOregon State University·DateJun 12, 2017
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.

Iqaluit could start running out of fresh water by 2024

Climate change and increased demand will outstrip freshwater supply in Iqaluit, even with stagnant population growth. Researchers predict the city may run out of fresh water by 2024 unless alternative sources are found to extend the water supply.

SourceYork University·JournalEnvironmental Science and Pollution Research·DateJun 12, 2017

Study: New approach to destroying deadly brain tumors

A new strategy for treating glioblastoma, a difficult-to-treat brain tumor, has shown promising results in mice by combining medications that disable two proteins. This approach could potentially extend or save the lives of patients diagnosed with this lethal form of cancer.

SourceUT Southwestern Medical Center·JournalNature Neuroscience·DateJun 12, 2017

Motor vehicle crash risk for teens with ADHD much lower than previously reported

A recent study published in JAMA Pediatrics found that adolescents with ADHD have a 36% higher crash risk than other newly licensed teens, but this risk is still relatively low. The study suggests that evidence-based training and education for teens with ADHD who want to drive may help manage their risk.

SourceChildren's Hospital of Philadelphia·JournalJAMA Pediatrics·DateJun 12, 2017

NASA-NOAA's Suomi NPP sees a disorganized Tropical Depression 3E

Tropical Depression 3E is a disorganized storm system approaching southwestern Mexico, with periodic bursts of thunderstorm development near its center. The National Hurricane Center forecasts locally heavy rainfall and dangerous mudslides, with total rainfall accumulations expected to reach 5-10 inches in some areas.

SourceNASA/Goddard Space Flight Center·DateJun 12, 2017

HbA1C overestimates mean glucose in black persons compared with whites

Researchers found that HbA1C levels are higher in blacks compared with whites for a given mean glucose level, suggesting racial differences in glycation of hemoglobin. This discrepancy highlights the need for clinicians to individualize care based on blood glucose levels rather than relying solely on HbA1C levels.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJun 12, 2017
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.

Vegetarian diets almost twice as effective in reducing body weight, study finds

A new study published in the Journal of the American College of Nutrition found that vegetarian diets are more effective than conventional low-calorie diets in reducing body weight. Vegetarian diets also improve glucose and lipid metabolism, which is particularly important for people with metabolic syndrome and type 2 diabetes.

SourceTaylor & Francis Group·JournalJournal of the American College of Nutrition·DateJun 12, 2017

Regenerating damaged nerves with 'Pac-Man' cells

Macrophages, known as the Pac-Man of the immune system, promote healing by regrowing severed nerves in rats, offering a promising alternative to current treatments like autografts. The approach uses biological signals to recruit younger, undifferentiated cells destined to become pro-healing macrophages.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateJun 12, 2017

Major study heralds new era in treatment of type 2 diabetes

A new study published in the New England Journal of Medicine found that canagliflozin significantly reduced the risk of both cardiovascular disease and kidney disease in people with type 2 diabetes. The drug was shown to lower blood sugar levels and also provide protection against heart failure and renal decline.

SourceGeorge Institute for Global Health·JournalNew England Journal of Medicine·DateJun 12, 2017

Low levels of vitamin A may fuel TB risk

Research found that individuals with low vitamin A levels are 10 times more likely to develop tuberculosis than those with high levels. Vitamin A supplementation may be an effective way to prevent TB in people at high risk of disease.

SourceHarvard Medical School·JournalClinical Infectious Diseases·DateJun 12, 2017
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.

Lab on a chip could monitor health, germs and pollutants

The new technology uses electronically barcoded microparticles to test for biomarkers, bacteria, viruses, air contaminants and more. It aims to enable true labs on chips, smaller than a USB flash drive or an Apple Watch, for real-time health monitoring and diagnosis.

SourceRutgers University·JournalLab on a Chip·DateJun 12, 2017

Islands and coastal regions are threatened the most

The study found that the highest number of alien species can be found on islands and in coastal regions, with Hawaii leading the way. The researchers also discovered that densely populated areas and economically developed countries are particularly vulnerable to the introduction of new species.

SourceUniversity of Konstanz·JournalNature Ecology & Evolution·DateJun 12, 2017
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.

Uncovered: 1,000 new microbial genomes

The U.S. Department of Energy Joint Genome Institute has released 1,003 phylogenetically diverse bacterial and archaeal reference genomes, which will aid in understanding the functions of genes, enzymes, and metabolic pathways with wide applications in bioenergy, biomedicine, agriculture, and environmental sciences.

SourceDOE/Joint Genome Institute·JournalNature Biotechnology·DateJun 12, 2017

A way to objectively measure residents' surgical skills? No sweat

A recent study at the University of Missouri School of Medicine found that electrodermal activity, measured through skin perspiration, can provide an objective evaluation of resident physicians' surgical skills. As training progressed, resident responses to stress during surgery decreased in relation to their experience level.

SourceUniversity of Missouri-Columbia·JournalJournal of Surgical Education·DateJun 12, 2017

Global hotspots of established alien plants and animals revealed

Researchers found high numbers of invasive species in island and coastal regions, particularly in the Hawaiian Islands, New Zealand's North Island, and Indonesia. The study highlights the need for effective measures to prevent further introductions of alien plants and animals into vulnerable ecosystems.

SourceDurham University·JournalNature Ecology & Evolution·DateJun 12, 2017

Blue Brain team discovers a multi-dimensional universe in brain networks

Researchers from the Blue Brain Project used algebraic topology to discover structures in the brain with up to eleven dimensions. These high-dimensional structures and spaces arise when a group of neurons forms a clique, generating precise geometric objects that can never be produced by chance.

SourceFrontiers·JournalFrontiers in Computational Neuroscience·DateJun 12, 2017
Celestron NexStar 8SE Computerized Telescope

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

Smeal research helps assess humanitarian response capacity in disasters

A new study led by Penn State Smeal College of Business researchers assesses the capacity of humanitarian response systems following disasters. The research proposes new metrics based on optimization models to guide individual decisions toward system improvement and aid in real-time assessment of stockpile capacity.

SourcePenn State·JournalJournal of Operations Management·DateJun 12, 2017

Study shows drug lowers levels of biomarker linked to ALS

A new study has found that a decades-old malaria drug can safely lower levels of a toxic protein linked to familial ALS. The research suggests the drug could potentially slow disease progression in patients with genetic mutations.

SourceHospital for Special Surgery·JournalAnnals of Neurology·DateJun 12, 2017

Artificial cartilage under tension as strong as natural material

Researchers at UC Davis have successfully grown lab-grown tissue similar to natural cartilage, demonstrating its potential to treat joint disease. The new material exhibits similar composition and mechanical properties as native cartilage, showing great promise for implantation into damaged joints.

SourceUniversity of California - Davis·JournalNature Materials·DateJun 12, 2017
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.

Study identifies potential biomarker for Alzheimer's disease

Researchers discovered anthranilic acid as a circulating compound associated with the risk of developing dementia and Alzheimer's disease. The study identified promising findings in new biological pathways and potential drug targets for prevention.

SourceBoston University School of Medicine·DateJun 12, 2017

Concentration spans drop when online ads pop up

Researchers found that online ads decrease brain activity in frontal/prefrontal cortical areas, indicating a drop in concentration levels. The presence of ads also affects the frontal/prefrontal asymmetry index, with some subjects experiencing increased and others decreased activity.

SourceSpringer·JournalCognitive Processing·DateJun 12, 2017

Scientists unravel the interdecadal variability of the Afro-Asian summer monsoon system

The Afro-Asian summer monsoon is projected to intensify and shift northwards following the Atlantic Multidecadal Oscillation (AMO) warm phase since the mid-1990s. Precipitation in the Huanghe-Huaihe River valley increased in the late 1990s, marking a significant change in the region's climate.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJun 12, 2017

Learning with light: New system allows optical 'deep learning'

A team of MIT researchers has developed a new approach to deep learning computations using light instead of electricity, potentially improving speed and efficiency for certain applications. The new programmable nanophotonic processor uses multiple light beams to carry out complex calculations with zero energy and near-instant results.

SourceMassachusetts Institute of Technology·JournalNature Photonics·DateJun 12, 2017
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.

Ontarians still skeptical of flu shot

A new study from the University of Waterloo found that half of those who avoid flu shots do so due to concerns over vaccine effectiveness and personal immune systems. The study also revealed that moral and religious reasons, as well as past poor vaccine experiences, contribute to avoidance.

SourceUniversity of Waterloo·JournalJournal of Health Communication·DateJun 12, 2017

Winning climate strategy demands details

Scientists at Michigan State University found that examining daily climate minutia provides a better understanding of variable land climates, crucial for policy-making. The study reveals dramatic swings in northern China's climate, affecting agriculture and economic development.

SourceMichigan State University·JournalScientific Reports·DateJun 12, 2017

ASTRO issues guideline for use of stereotactic radiation in early-stage lung cancer

The new clinical guideline provides evidence-based recommendations on the use of stereotactic body radiation therapy (SBRT) for early-stage non-small cell lung cancer. For medically inoperable patients with high-risk clinical scenarios, SBRT is recommended as an alternative to surgery or salvage therapy.

SourceAmerican Society for Radiation Oncology·JournalPractical Radiation Oncology·DateJun 12, 2017
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.

E-cigarettes less addictive than cigarettes, PATH study shows

Researchers at Penn State College of Medicine found that e-cigarette users are relatively less dependent on their product compared to traditional cigarette smokers. The PATH study analyzed responses from over 30,000 young people and adults, showing that e-cigarettes cause less nicotine dependence than cigarettes.

SourcePenn State·JournalPreventive Medicine·DateJun 12, 2017

Healthy diet? That depends on your genes

A Cornell University study reveals genetic adaptations to plant-heavy diets led to increased frequency of FADS1 gene variants, crucial for omega-3 and omega-6 fatty acid production. This discovery has implications for personalized dietary recommendations based on individual genetic backgrounds.

SourceCornell University·JournalEcology and Evolution·DateJun 12, 2017