Add BrightSurf on Google Email

Science News Archive October 2018 - Page 36


Page 36 of 47

String theory: Is dark energy even allowed?

Recent developments in string theory suggest a paradigm shift could be imminent, with some theories being incompatible with dark energy. Timm Wrase's calculations reveal that certain fields may not exist in string theory, contradicting the Higgs field's properties.

SourceVienna University of Technology·JournalPhysical Review D·DateOct 8, 2018

Lessons from the 1918 flu pandemic, 100 years on

A new study on the 1918 flu pandemic reveals that a complex interplay of viral, host, and societal factors contributed to its severity. The researchers warn that future pandemics will face challenges such as changing population demographics, antibiotic resistance, and climate change.

SourceFrontiers·JournalFrontiers in Cellular and Infection Microbiology·DateOct 8, 2018

Genes responsible for difference in flower color of snapdragons identified

Researchers at IST Austria identified two genes that determine magenta and yellow flower colors in snapdragons, which are separated by a hybrid zone. The study found that selection favored new variants of these genes, making the flowers more attractive to bees, while also creating barriers to gene exchange.

SourceInstitute of Science and Technology Austria·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018
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.

European researchers set out priorities for dealing with problem internet use

The European Problematic Use of the Internet (EU-PUI) Research Network has identified nine main areas of research to address issues such as problem use, health effects, and cultural influences. The network aims to develop evidence-based proposals for improving prevention and treatment strategies.

SourceEuropean College of Neuropsychopharmacology·JournalEuropean Neuropsychopharmacology·DateOct 8, 2018

Potential assay artefacts in anti-malarial screening documented

The study identifies 14 common chemicals that can impact assay conclusions without compromising plasmodium growth and proliferation. The team estimates maximum allowable concentrations compatible with the assay, ensuring normal parasite survival and proliferation.

SourceSingapore University of Technology and Design·JournalScientific Reports·DateOct 8, 2018

Getting a grip on the slow but unique evolution of sharks

Researchers analyzed two shark species' genomes and compared them to those of vertebrate species to understand their evolution. They found that sharks have massive insertions of repetitive elements in their genomes, which may contribute to their slow evolution.

SourceRIKEN·JournalNature Ecology & Evolution·DateOct 8, 2018
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.

Increase in plastics waste reaching remote South Atlantic islands

A new study reveals a significant increase in plastic waste reaching remote South Atlantic islands, with over 90% of beach debris being plastic. The researchers found high concentrations of plastic on beaches and up to 300 items per meter of shoreline, approaching levels seen in industrialized North Atlantic coasts.

SourceBritish Antarctic Survey·JournalCurrent Biology·DateOct 8, 2018

New discovery restores insulin cell function in type 2 diabetes

Scientists have discovered a way to restore normal insulin cell function in type 2 diabetes by blocking a protein called VDAC1. The study showed that the substance can prevent the development of the disease and improve glucose control. Further studies are needed, but the findings offer new hope for treatment options.

SourceLund University·JournalCell Metabolism·DateOct 8, 2018
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.

Vaccinating humans to protect mosquitoes from malaria

A new biotechnology advancement may boost the efficacy of a transmission-blocking vaccine (TBV) that prevents mosquitoes from spreading malaria. The vaccine, which induces humans to make malaria-attacking antibodies, could reduce malaria spread in sub-Saharan Africa where the disease kills over 400,000 people annually.

SourceUniversity at Buffalo·JournalNature Nanotechnology·DateOct 8, 2018

Biodiversity loss under warming conditions

A warming-induced shift in microbial community composition requires more biodiversity to maintain ecosystem function due to the increased likelihood that remaining species will not tolerate rising temperatures. The study suggests that warmer conditions may accelerate the impacts of biodiversity decline on ecosystems.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018
Apple iPhone 17 Pro

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

Genetic tool to predict adult heart attack risk in childhood

A genetic tool can identify people at high risk of heart attacks early in life, potentially preventing devastating outcomes. The technology uses genomic data to calculate an individual's underlying genetic risk for coronary heart disease.

SourceBritish Heart Foundation·JournalJournal of the American College of Cardiology·DateOct 8, 2018

Salt: Mover and shaker in ancient Maya society

The ancient Maya produced salt in large quantities, salting fish and meat to meet dietary needs, and traded it as a commodity. This discovery substantiates the model of regional production and distribution of salt for the Classic Maya.

SourceLouisiana State University·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

Work environment challenges nurses trying to adopt healthy behaviors

A new study found that nurses face significant challenges in adopting healthy behaviors, with only a few percent meeting physical activity guidelines and eating a balanced diet. The research highlights the need for workplace programs tailored to individual motivation and readiness to change.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·DateOct 8, 2018

Scientists pinpoint pathway that impacts features of autism

Researchers at Florida Atlantic University have identified a brain-signaling pathway that can be manipulated to reverse autism-related changes in genetically engineered mice. The study suggests a novel approach to treating autism spectrum disorder (ASD) by targeting an enzyme associated with stress and inflammation.

SourceFlorida Atlantic University·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

Facial expressions representing pain and pleasure

A study of 80 observers from Western and East Asian cultures reveals that mental representations of pain are similar, while those of orgasm contain culture-specific elements. Facial expressions serve a communicative role, with cultural influences shaping their representation.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018
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.

Statins vs. nutraceutical (Longevinex®) for vision threatening cholesterol deposits

A case report presents a patient with progressive drusen accumulation, which was halted by a resveratrol-based nutraceutical (Longevinex). The patient's vision improved after adopting the nutraceutical regimen, whereas statin drugs showed only modest success. A dietary approach to retinal health is proposed as primary consideration.

SourceResveratrol Partners LLC, dba LONGEVINEX·JournalJournal of Advances in Medicine and Medical Research·DateOct 8, 2018

Risk of attempted suicide among sexual minority adolescents

A systematic review and meta-analysis found that sexual minority adolescents are at a greater risk of attempted suicide compared to their heterosexual peers. The study estimated over 2.3 million heterosexual and 113,468 sexual minority adolescents from 35 studies conducted in 10 countries.

SourceJAMA Network·JournalJAMA Pediatrics·DateOct 8, 2018
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.

Previously unknown genetic aberrations found to be associated with Alzheimer's progression

A comprehensive genome-wide map of RNA splicing variation in the aging brain has been created, offering new insights into genetic mechanisms underlying Alzheimer's disease progression. The study identified specific RNA splicing events linked to the disease and suggests a potential therapeutic strategy using antisense oligonucleotides.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNature Genetics·DateOct 8, 2018

Recovering from a heart attack? Hold the antibiotics

Researchers found that mice recovering from heart attacks are more likely to die if treated with antibiotics, which can eliminate both bad and good microbes. Restoring the gut microbiome through fecal transplants or probiotics boosted survival rates.

SourceUniversity of Wisconsin-Madison·JournalCirculation·DateOct 8, 2018

Volatile evaporation on the Moon

Researchers used chromium isotopes to investigate the conditions under which the Moon's volatile elements evaporated. They found that the temperature of evaporation was around 1600-1800 K, significantly lower than previously thought if evaporation occurred during the giant Moon-forming impact.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018
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.

Climate change and mental health

Researchers analyzed data from nearly 2 million US residents and found a correlation between rising temperatures and increased mental health issues, suggesting climate change poses a risk to human well-being. The study suggests that even small increases in temperature can have significant impacts on mental health.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

Artificial intelligence helps reveal how people process abstract thought

A study by Cameron Buckner using deep neural networks suggests that human knowledge stems from sensory experience, a school of thought known as empiricism. The networks demonstrate how abstract knowledge is acquired and can be used to understand complex tasks in neuroscience and psychology.

SourceUniversity of Houston·JournalSynthese·DateOct 8, 2018

Research shows club drug GHB associated with brain and cognitive changes

Research on GHB users found associations with negative emotions identification, altered brain processes during verbal long-term memory and working memory, lower IQ, and increased stress and anxiety. Brain scans revealed changes in brain activity and connectivity between memory-related pathways.

SourceEuropean College of Neuropsychopharmacology·DateOct 8, 2018

More exercise may not help all cancer patients to the same extent

A new study found that exercise effects on fatigue, fitness, and quality of life in cancer patients vary depending on their initial health characteristics. Patients with better baseline aerobic fitness experienced greater gains during treatment, while those with worse baseline values benefited more after treatment. The findings suggest...

SourceOxford University Press USA·JournalJNCI Journal of the National Cancer Institute·DateOct 8, 2018

Half the brain encodes both arm movements

Researchers found that neural activity in both the left and right hemispheres of the brain is involved in encoding individual arm movements. This discovery could lead to the development of more effective rehabilitation strategies for individuals with limb function after a brain injury, by harnessing the unaffected hemisphere.

SourceSociety for Neuroscience·DateOct 8, 2018
Fluke 87V Industrial Digital Multimeter

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

Success is sweet: Researchers unlock the mysteries of the sugarcane genome

The complete sugarcane genome sequence reveals insights into the crop's evolutionary history and potential for disease resistance. The sequence data also led to the discovery of genes involved in stress tolerance and improved breeding methods.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalNature Genetics·DateOct 8, 2018

First genetic risk factor for erectile dysfunction identified

A study by Kaiser Permanente researchers has found a specific place in the human genome associated with an increased risk of erectile dysfunction. Variations in the SIM1 locus were significantly associated with a 26 percent increased risk, independent of known risk factors.

SourceKaiser Permanente·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

The threat of Centaurs for the Earth

Astrophysicists estimate that Centaurs will have close encounters and impacts with terrestrial planets, potentially producing catastrophic events. The researchers found that half of the Centaurs can enter the terrestrial planet region, and about 7% can interact with them.

SourceUniversity of Vienna·JournalMonthly Notices of the Royal Astronomical Society·DateOct 8, 2018

Study: Sexes differ when it comes to comfort during and after exercise

The study found that female participants preferred more cooling during exercise, while males did not experience similar changes in body temperature. After exercising, females' skin temperatures fell rapidly, but they continued to seek neck cooling due to elevated core temperatures.

SourceUniversity at Buffalo·JournalMedicine & Science in Sports & Exercise·DateOct 8, 2018
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.

Hydraulic fracturing-induced earthquakes

Researchers suggest a hydraulic fracturing well in Alberta, Canada was in contact with an active fault, causing induced seismicity. The coincidence of geological conditions required for induced seismicity are rarely expected to occur naturally, according to the study.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

Small-brained female guppies aren't drawn to attractive males

A new study published in Nature Ecology & Evolution found that female Trinidadian guppies can differentiate between attractive and dull males, regardless of brain size. Larger-brained fish showed different patterns of activity in decision-making brain regions when evaluating attractive or unattractive males.

SourceUniversity College London·JournalNature Ecology & Evolution·DateOct 8, 2018

Social media data used to predict retail failure

A new model predicts retail failure with 80% accuracy by analyzing social media and transport data from 10 cities. The model suggests that venues popular around the clock and in diverse neighborhoods tend to succeed longer.

SourceUniversity of Cambridge·DateOct 8, 2018

The chromosome responsible for asparagus gender is characterized

A genetic map of garden asparagus has been created, allowing researchers to identify the chromosome that determines the plant's sex. The map is a significant breakthrough in understanding this dioecious species and will enable the development of new varieties with improved characteristics.

SourceUniversity of Córdoba·JournalFrontiers in Plant Science·DateOct 8, 2018

A big spark for energy research

The University of Delaware has secured a four-year funding renewal from the U.S. Department of Energy for its Catalysis Center for Energy Innovation, advancing processes for converting biomass into chemicals and fuels. The center has contributed to over 340 publications and trained more than 350 students in sustainable technologies.

SourceUniversity of Delaware·DateOct 8, 2018
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.

UTEP study finds link between childhood adversity, burnout and depression

A UTEP study found that undergraduate nursing students exposed to adverse childhood experiences (ACEs) experience higher levels of burnout and depression. The study supports efforts to better prepare nursing students for the profession by educating faculty on ACEs and providing resources for counseling and support services.

SourceUniversity of Texas at El Paso·JournalJournal of Professional Nursing·DateOct 8, 2018

Newly discovered long noncoding RNA plays critical role in brain growth and signaling

A new study found that GM12371, a specific long non-coding RNA, controls expression of multiple genes involved in nervous system development and functioning. It affects the developing neurons' shape and ability to signal, highlighting the importance of long noncoding RNAs in brain cell growth and signaling.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018

Genetic risk factor of erectile dysfunction

A genome-wide association study has identified a genetic locus near the SIM1 gene as a significant risk factor for erectile dysfunction. The link to this locus is independent of previously known risk factors, suggesting a unique mechanism specific to sexual function.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 8, 2018
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.

Largest ever genetic study of blood pressure

A massive genetic analysis of over one million people has revealed 535 new genes linked to high blood pressure. The discovery sheds light on new biological pathways for blood pressure regulation and holds promise for improved cardiovascular disease prevention.

SourceLancaster University·JournalNature Genetics·DateOct 8, 2018

A rack for ammonia

Scientists have developed a metal-organic framework that can take up gaseous ammonia at densities similar to those of liquid ammonia, making it suitable for storage and handling. The framework's unique sorption mode allows for reversible adsorption and desorption of ammonia.

SourceWiley·JournalAngewandte Chemie International Edition·DateOct 8, 2018

For wineries, competition boosts profits from sustainability

A new study by North Carolina State University reveals that wineries with more sustainable practices experience better financial performance when they feel competitive pressure. Conversely, those without significant competitive pressure are more likely to adopt new sustainability measures.

SourceNorth Carolina State University·JournalOrganization & Environment·DateOct 8, 2018

Root extract of Chinese medicinal plant makes worms to live longer

A root extract of Fallopia multiflora has been shown to extend the lifetime of nematodes by almost 19% and protect them from oxidative stress. The primary component of the extract, similar in structure to resveratrol, activates sirtuins that control ageing.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalPlants·DateOct 8, 2018
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.

Long-acting injectable implant shows promise for HIV treatment and prevention

A new long-acting injectable implant developed by UNC School of Medicine researchers has shown promising results in animal models, delivering anti-HIV medication over time with minimal toxicity. The implant can be quickly and safely removed if needed, making it a potential game-changer for HIV treatment and prevention.

SourceUniversity of North Carolina Health Care·JournalNature Communications·DateOct 8, 2018

Supercomputer predicts optical properties of complex hybrid materials

Researchers at Duke University used a supercomputer to computationally predict the optical properties of layered hybrid organic-inorganic perovskites, opening new material design space for light-based devices. The study successfully matched experimental observations, proving the accuracy of computational models.

SourceDuke University·JournalPhysical Review Letters·DateOct 8, 2018

Copper ions flow like liquid through crystalline structures

Researchers studied copper-based superionic crystal CuCrSe2, revealing copper ions flow like liquids above a certain temperature. This discovery could lead to the development of more efficient and safer rechargeable batteries by replacing liquid electrolytes with solid superionic materials.

SourceDuke University·JournalNature Physics·DateOct 8, 2018
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.

Rice U. pursues end game for diabetes

Rice University researchers are working to develop cell implants that can sense blood glucose levels and produce insulin on demand for Type 1 diabetes patients. The project aims to eliminate the need for patients to monitor their blood glucose and administer insulin shots, potentially leading to a cure for this autoimmune disease.

SourceRice University·DateOct 8, 2018

You can improve your spatial skills with training

A CU Boulder-led study found that targeted training can improve spatial reasoning skills in young adults, increasing their performance in geoscience classes. After one semester, 70% of trained students showed significant improvement in spatial skills, with many reporting enhanced abilities in other science classes.

SourceUniversity of Colorado at Boulder·JournalInternational Journal of Science Education·DateOct 8, 2018