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Science News for November 19, 2018


Doomed star in Milky Way threatens rare gamma-ray burst

Astronomers have found a rare gamma-ray burst candidate in the Milky Way's star system Apep, which could pose a threat to Earth. The system, featuring a pair of scorchingly luminous stars, is thought to be on the brink of a massive supernova explosion.

SourceUniversity of Sydney·JournalNature Astronomy·DateNov 19, 2018
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.

Researchers find multisystem disorder caused by CCDC47 variants

A novel multisystem disorder has been identified due to bi-allelic variants in the CCDC47 gene, affecting individuals with symptoms such as woolly hair, liver dysfunction, and global developmental delay. The study demonstrates the importance of CCDC47 in normal development and highlights the need for further research into this condition.

SourceClinic for Special Children·JournalAmerican Journal of Human Genetics·DateNov 19, 2018

Diabetes patients with high deductible health plans experience delays in seeking care

Research found that individuals with diabetes who switched to high-deductible health plans experienced delays in seeking care for symptoms of blood vessel diseases, including cardiac chest pain and transient ischemic attacks. The study suggests that increased out-of-pocket costs lead to changes in healthcare behavior.

SourceHarvard Pilgrim Health Care Institute·JournalAnnals of Internal Medicine·DateNov 19, 2018
Apple iPhone 17 Pro

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

Making X-ray microscopy 10 times faster

Researchers at NSLS-II have developed a TXM that can image samples in 3D faster than previously possible, reducing the time from over 10 minutes to just one minute. The new microscope enables scientists to visualize their samples much faster and collect more valuable data.

SourceDOE/Brookhaven National Laboratory·JournalApplied Physics Letters·DateNov 19, 2018

Researchers discover a new gear in life's clock: Vitamin D

Researchers discovered vitamin D is essential for embryonic development and dormancy in fish, a trait conserved across species. This finding could lead to better understanding of dormancy mechanisms and their applications in human health.

SourcePortland State University·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Current climate models underestimate warming by black carbon aerosol

Researchers have discovered a universal power law describing black carbon's light absorption, which could help climate scientists build more accurate models. The findings suggest that warming due to black carbon may have been underestimated by current climate models.

SourceWashington University in St. Louis·JournalPhysical Review Letters·DateNov 19, 2018

MDMA makes people cooperative, but not gullible

The study found that MDMA increases activity in brain regions linked to social processing, particularly when interacting with trustworthy players. This suggests that MDMA may be a valuable tool in treating psychiatric conditions like PTSD by enhancing cooperation and rebuilding relationships.

SourceKing's College London·DateNov 19, 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.

Household fuels and air pollution in China

The nationwide average exposure to PM2.5 in China decreased significantly between 2005 and 2015, mainly attributed to declining household solid fuel use. Researchers estimate that replacing all remaining household solid fuels with clean energy sources could prevent an additional half-million premature deaths per year.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Dementia associated with most deaths of older adults with down syndrome

A recent study published in JAMA Neurology reveals that adults with Down syndrome are more likely to die from dementia, highlighting the importance of studying disease progression and potential treatments for this population. The study, which included 211 adults, found that 70% of those who died had dementia.

SourceJAMA Network·JournalJAMA Neurology·DateNov 19, 2018

Teens increasingly choose pot over alcohol, cigarettes

Researchers at Columbia University's Mailman School of Public Health found that teens increasingly choose pot over alcohol and cigarettes. The average school grade during which young people first tried alcohol and cigarettes has increased, with a significant drop in the proportion who used cigarettes before marijuana.

SourceColumbia University's Mailman School of Public Health·JournalDrug and Alcohol Dependence·DateNov 19, 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.

Hidden giants in forest soils

Researchers have discovered 16 novel giant viruses in a forest soil ecosystem, more than doubling the known giant virus diversity. These viruses were found using a non-standard approach that involved flow-sorting microbes into small pools, revealing a wealth of giant viruses previously overlooked.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateNov 19, 2018

NRL demonstrates new non-mechanical laser steering technology

Scientists at NRL have developed a chip-based beam steering technology that steers laser light in two dimensions without mechanical devices, offering improved steering capability and higher scan speed rates. The new technology has potential applications in chemical sensing, monitoring emissions, and other industrial facilities.

SourceNaval Research Laboratory·JournalJournal of the Optical Society of America·DateNov 19, 2018

What smart hazmat suits and Sonora cactus skins have in common

Researchers discovered that Sonora cactus pads undergo complex microscale, seasonal and age-related wettability changes. This unique characteristic is now being applied to develop smart materials for hazmat suits, which will preserve water while allowing vapor and heat transfer.

SourceAmerican Physical Society·DateNov 19, 2018

Hydraulic fracturing and water quality

A study in central Pennsylvania found chemical and isotopic evidence of upward methane migration from the Marcellus shale, suggesting geochemical indicators for distinguishing recent methane contamination. The research also identified geological features facilitating methane migration near hydraulically fractured shale gas wells.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018
Celestron NexStar 8SE Computerized Telescope

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

Using Skype to beat the blues

A study published in the American Journal of Geriatric Psychiatry found that video chat technology, such as Skype, significantly reduces the risk of depression among older adults. Researchers compared four online communication technologies and discovered that video chat had almost half the estimated probability of depressive symptoms.

SourceOregon Health & Science University·JournalAmerican Journal of Geriatric Psychiatry·DateNov 19, 2018

Scientists trained a computer to classify breast cancer tumors

Scientists at UNC Lineberger Comprehensive Cancer Center develop a computer algorithm to analyze breast cancer images and identify tumor characteristics. The AI system achieves high accuracy in distinguishing between low-intermediate and high-grade tumors, as well as estrogen receptor status and molecular subtypes.

SourceUNC Lineberger Comprehensive Cancer Center·Journalnpj Breast Cancer·DateNov 19, 2018

Color vision variation in guppies influences female mate preference

Research reveals that variation in opsin gene expression affects guppy females' preferences for male orange colors, highlighting the interplay between visual properties and mate choice. Genetic polymorphisms and environmental factors contribute to differing light sensitivity, driving the evolution of diverse male sexual colors.

SourceTohoku University·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Greenhouse gases triggering more changes than we can handle

A new study reveals that climate change is impacting human health, food supply, infrastructure, and economy through 467 ways, including warming, drought, heatwaves, wildfires, precipitation, floods, and sea level rise. By 2100, the number of hazards occurring concurrently will increase, making it difficult for people to cope.

SourceUniversity of Hawaii at Manoa·JournalNature Climate Change·DateNov 19, 2018
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.

Mutation that causes autism and intellectual disability makes brain less flexible

A study published in Nature Neuroscience found that mice with a SETD5 mutation have brains less flexible, leading to difficulties in forming new memories and adapting to situations. The researchers also discovered that the gene cooperates with other proteins to regulate gene expression during learning and memory formation.

SourceInstitute of Science and Technology Austria·JournalNature Neuroscience·DateNov 19, 2018
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.

Astronomers discover giant relic of disrupted 'tadpole' galaxy

A team of astronomers has identified a giant disrupted 'tadpole' galaxy 300 million light years away, with an elliptical head and a long straight tail. The galaxy is ten times larger than the Milky Way and contains a system of two close disc galaxies.

SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateNov 19, 2018

'Magnetic topological insulator' makes its own magnetic field

Researchers discovered a two-dimensional material that can become a magnetic topological insulator even without an external magnetic field. The material, chromium triiodide (CrI3), exhibits collective spin excitations called magnons, which behave similarly to photon waves.

SourceRice University·JournalPhysical Review X·DateNov 19, 2018

Where the brain turns quality and quantity into value

Researchers pinpointed the anterior cingulate cortex as the brain region responsible for integrating disparate information to inform 'on-the-fly' decision-making. Activity in this region was associated with combining quality and quantity, while other areas linked to interaction between these factors were also activated.

SourceSociety for Neuroscience·DateNov 19, 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.

4,000-year-old termite mounds found in Brazil are visible from space

Researchers found vast network of interconnected termite mounds in northeastern Brazil, covering area similar to Great Britain, with soil excavated over 10 cubic kilometers. The mounds are up to 4,000 years old and were formed by a single termite species that accessed dead leaves safely.

SourceCell Press·JournalCurrent Biology·DateNov 19, 2018

Digital offense: Anonymity dulls our moral outrage

New research reveals that people react less strongly to malicious speech on digital platforms, seeing victims as less harmed. The study found mixed results but suggests anonymity can dampen social cues, leading to numbing effects from online harassment.

SourceSociety for Personality and Social Psychology·JournalSocial Psychological and Personality Science·DateNov 19, 2018

Let's draw!: New deep learning technique for realistic caricature art

A team of computer scientists developed a novel deep learning-based approach to automatically generate realistic caricatures from portraits. Their method, called CariGANs, successfully generated clearer and more accurate caricature depictions that resemble hand-drawn artwork by professionals.

SourceAssociation for Computing Machinery·DateNov 19, 2018

Widely used reference for the human genome is missing 300 million bits of DNA

A team of Johns Hopkins scientists analyzed DNA sequences from 910 individuals of African descent and found 300 million base pairs of genetic material missing from the current human genome reference. This discovery highlights the need for more diverse reference genomes to better understand genetic variations across populations.

SourceJohns Hopkins Medicine·JournalNature Genetics·DateNov 19, 2018

Critical collections

Research highlights creative uses of biological collections to understand global change, including study of microbial diversity from museum specimens. Biological collections are threatened by digitization and destruction, but preserving them is essential for unlocking their hidden data and understanding the history of life on Earth.

SourceHarvard University·JournalPhilosophical Transactions of the Royal Society of London (B )·DateNov 19, 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.

The subtle science of wok tossing

Researchers at Georgia Tech discover that wok tossing is a critical aspect of cooking fried rice, involving two oscillating motions: translational and rotational. By understanding these motions, they aim to develop robotic designs for automated fried rice cooking.

SourceAmerican Physical Society·DateNov 19, 2018

Dogs know when they don't know

Researchers found that dogs search for additional information significantly more often when they have not seen where the reward is hidden. However, their searching flexibility was limited compared to primates and humans.

SourceMax Planck Institute of Geoanthropology·JournalLearning & Behavior·DateNov 19, 2018

Bending light around tight corners without backscattering losses

Researchers at Duke University have demonstrated a photonic crystal waveguide that directs photons of light around sharp corners with virtually no losses due to backscattering. This breakthrough enables the development of efficient light-based computing systems, which could replace electronic devices and save energy.

SourceDuke University·JournalNature Nanotechnology·DateNov 19, 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.

Healthcare providers -- not hackers -- leak more of your data

A new study from Michigan State University and Johns Hopkins University found that more than half of recent healthcare data breaches were caused by internal negligence, rather than external hackers. The research identified six common categories of internal factors contributing to these breaches.

SourceMichigan State University·JournalJAMA Internal Medicine·DateNov 19, 2018

UCI and Singapore researchers find source of 2015 Southeast Asia smoke cloud

Researchers from UCI and Singapore find that widespread fires in Indonesia's peatlands, which are hundreds to thousands of years old, were the main source of severe air pollution in Southeast Asia. The team's analysis confirms human activities as the primary cause of these environmental catastrophes.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018
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.

Spanking in developing countries does more harm than good

A new University of Michigan study suggests that spanking may be more harmful for children in developing countries than previously thought. The research, which analyzed data from 62 countries, found a link between physical discipline and lower social development among young children.

SourceUniversity of Michigan·JournalChild Abuse & Neglect·DateNov 19, 2018

Research offers hope for simpler cancer diagnosis and treatment

Researchers have developed a technique to isolate circulating tumor cells from blood, allowing for the analysis of protein makeup without biopsies. This could lead to more effective therapies and better patient outcomes by monitoring treatment progress remotely.

SourceBrigham Young University·JournalAnalytical Chemistry·DateNov 19, 2018

From receptor structure to new osteoporosis drugs

Researchers have determined the three-dimensional structure of the PTH-1 receptor, a protein fragment involved in bone loss. This breakthrough enables the development of new drugs that may slow down or reverse osteoporosis without its current treatment's disadvantages.

SourceUniversity of Zurich·JournalNature Structural & Molecular Biology·DateNov 19, 2018

New research questions role of gut parasite in intestinal diseases such as IBS

A new study from the University of Kent has found that a common gut parasite, Blastocystis, can survive under conditions with increased oxygen levels, contrary to previous thinking. This discovery could provide insights into its role in intestinal diseases such as irritable bowel syndrome.

SourceUniversity of Kent·JournalFrontiers in Cellular and Infection Microbiology·DateNov 19, 2018
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.

Public perspectives on food risks

A survey of 2,537 US adults found that roughly half believe the average person faces a serious health risk from food additives over their lifetime. Similarly, about half think genetically modified foods are worse for one's health. Women and those with low science knowledge tend to express more concern about these issues.

SourcePew Research Center·DateNov 19, 2018

Seeing is believing: Monitoring real time changes during cell division

Scientists at Lancaster University created a fluorescent biosensor to visualize cilia and cell division simultaneously, enabling the study of their interplay in development, regeneration, and disease. This new tool will help researchers understand how changes in cilia dynamics affect cell division speed and tissue development.

SourceLancaster University·JournalDevelopmental Cell·DateNov 19, 2018

Preserving shoulder function, quality of life, in breast cancer patients

Research reveals that women who undergo reconstructive surgeries using a large back muscle after radiation therapy experience significant losses in shoulder stability and function. Conversely, other methods such as pectoral muscle rebuild and abdominal tissue transfer produce equally good results for future shoulder function.

SourceUniversity of Michigan·JournalBreast Cancer Research and Treatment·DateNov 19, 2018

Ambitious new research center will push the boundaries of skin research

The LEO Foundation Skin Immunology Research Center will bring together leading researchers to provide new knowledge for better diagnoses and treatments of psoriasis and eczema. The center aims to strengthen the immune system's fight against over 3,000 known skin diseases.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·DateNov 19, 2018
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.

Glucose binding molecule could transform the treatment of diabetes

Scientists from the University of Bristol have designed a new synthetic glucose binding molecule platform that brings us closer to developing the world's first glucose-responsive insulin. This innovation could eliminate hypoglycemia and provide better metabolic control for people living with diabetes.

SourceUniversity of Bristol·JournalNature Chemistry·DateNov 19, 2018

When it comes to love: Personality matters: QUT research

A new QUT study reveals that men with a range of personality traits, particularly extraversion and emotional stability, tend to engage in sex more frequently. These individuals are also more likely to produce offspring. For women, being agreeable is linked to having more children.

SourceQueensland University of Technology·JournalPersonality and Individual Differences·DateNov 19, 2018

Powerful new map depicts environmental degradation across Earth

A powerful new map by the University of Cincinnati illustrates dramatic changes in land use over the last quarter century, showing widespread deforestation and urbanization. The map highlights the devastating effects of climate change on the environment, including the shrinking Aral Sea and growing desertification in the Sahara Desert.

SourceUniversity of Cincinnati·JournalInternational Journal of Applied Earth Observation and Geoinformation·DateNov 19, 2018
Meta Quest 3 512GB

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

Genetic retroelements in eukaryotic evolution

Researchers discovered genetic retroelements copying into and harming bacterial genomes, indicating a potential role in eukaryotic cell emergence. The study suggests an interplay between DNA repair mechanisms and retroelements may have driven evolutionary pressures.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Four Argonne technologies receive 2018 R&D 100 Awards

Argonne researchers develop HyMag magnets increasing electric motor efficiency; Darshan software optimizes scientific data access; GRID-M provides near-real-time disaster supply chain status; Swift/T enables large-scale supercomputer calculations. These technologies have been recognized for their impact on various industries and fields

SourceDOE/Argonne National Laboratory·DateNov 19, 2018

Skeletal imitation reveals how bones grow atom-by-atom

The study reveals how calcium phosphate molecules crystallize and build up into a perfectly arranged bone structure. Researchers used an artificial biomaterial to mimic natural bone tissue functions, allowing them to study the phenomenon at an atomic level.

SourceChalmers University of Technology·JournalNature Communications·DateNov 19, 2018
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.

Two thirds of required pediatric post-marketing drug studies are missing

A new study found that only about a third of mandatory pediatric post-marketing drug studies were completed within seven years, leading to a lack of child-specific information on medication labels. This perpetuates off-label prescribing that may be unsafe or ineffective for children.

SourceBoston Children's Hospital·JournalJAMA Pediatrics·DateNov 19, 2018

Childhood trauma and psychosis

Individuals with childhood trauma exhibit decreased hippocampal volume and correlations with high blood oxidation status, differing from those without trauma. This redox dysregulation may lead to distinct symptom profiles and cognitive deficits in psychosis patients.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

The power of social support

A recent study on wild spotted hyaenas found that females dominate males because they receive more social support. The research revealed that social support is a key factor in determining dominance relationships between the sexes.

SourceForschungsverbund Berlin·JournalNature Ecology & Evolution·DateNov 19, 2018

Princeton geneticist solves long-standing finch beak mystery

Bridgett vonHoldt and Tom Smith used Mendelian genetics to identify the gene IGF-1 associated with bill size in black-bellied seedcrackers. The study found a 3:1 pattern of inheritance, where large beaks were dominant over small beaks.

SourcePrinceton University·JournalNature Communications·DateNov 19, 2018
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.

Mount Sinai researchers study second-hand marijuana smoke in children

A study published in Pediatrics found that nearly half of children exposed to second-hand marijuana smoke had detectable levels of THC, a reliable indicator of exposure. Researchers also discovered that third-hand smoke exposure can occur when individuals smoke and the residue lingers on their skin, hair, or clothes.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalPEDIATRICS·DateNov 19, 2018

Major natural carbon sink may soon become carbon source

Climate researchers warn that peatlands in the Peruvian Amazon may lose up to 500 million tons of carbon by the end of the century due to warmer temperatures and increased precipitation. This loss could lead to a significant increase in global carbon emissions, exacerbating climate change.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Sexual orientation identified as a risk factor in opioid misuse

A new study reveals that adults identifying as lesbian, gay, or bisexual are more likely to misuse opioids than heterosexual counterparts. Women who identify as bisexual are particularly at increased risk, with twice the likelihood of misuse compared to other groups.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalAmerican Journal of Preventive Medicine·DateNov 19, 2018

Cosmic serpent

The ESO's VLT captured the details of an elaborate serpentine system sculpted by colliding stellar winds, with Apep being a likely source of one of the most energetic phenomena in the Universe. The system consists of a nest of massive stars surrounded by a dust pinwheel.

SourceESO·JournalNature Astronomy·DateNov 19, 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.

RNAi therapy mitigates preeclampsia symptoms in UMass Medical School study

Researchers at UMass Medical School developed an siRNA therapy that reduces circulating sFLT1 levels and normalizes blood pressure and proteinuria in pregnant mice. The therapy shows promise as a potential strategy for treating preeclampsia in humans, but further studies are needed to optimize safety and efficacy.

SourceUMass Chan Medical School·JournalNature Biotechnology·DateNov 19, 2018

'Druggable' cancer target found in pathway regulating organ size

A team of researchers at Boston Children's Hospital has identified NUAK2 as a critical player in the Hippo pathway, which drives YAP-driven tumors. Inactivating NUAK2 with a small molecule compound strongly curbs cancer cell proliferation and liver overgrowth.

SourceBoston Children's Hospital·JournalNature Communications·DateNov 19, 2018

Local drivers of amplified Arctic warming

A new study reveals that Arctic amplification is primarily driven by local carbon dioxide forcing and polar feedbacks, outweighing other processes. This finding highlights the importance of understanding Arctic processes in controlling sea-ice retreat and ecosystem sensitivity to global warming.

SourceInstitute for Basic Science·JournalNature Climate Change·DateNov 19, 2018

Study reveals importance of 'cryptic connections' in disease transmission

A new study of disease transmission in bats has quantified unseen interactions that play a crucial role in the spread of disease through populations and between species. The researchers found that infrequent and indirect connections among individuals are far more important in disease transmission than previously thought.

SourceUniversity of California - Santa Cruz·JournalNature·DateNov 19, 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.

Antarctica's hidden landscape shaped by rivers in warmer era

Researchers found that Antarctica's mountains and valleys were formed by rivers, rather than glaciers, in a warmer era. The study suggests that this knowledge could aid in understanding how the ice sheet might respond to continued climate warming.

SourceUniversity of Edinburgh·JournalScottish Geographical Journal·DateNov 19, 2018

Intelligent sprayers poised to transform nursery industry

Researchers developed intelligent spray technology that uses laser and sensors to apply exact amount of pesticide needed, reducing costs by up to 70%. The technology also reduces environmental impact by minimizing drift and loss to the ground.

SourceUniversity of Tennessee Institute of Agriculture·DateNov 19, 2018

Drug used for PTSD may worsen nightmares, not reduce suicidal thoughts

A small pilot study found that prazosin, commonly used to treat high blood pressure and PTSD-related sleep problems, may actually worsen nightmares and insomnia in PTSD patients, rather than reducing suicidal thoughts. The study, led by Dr. W. Vaughn McCall, involved 20 seriously psychiatrically ill patients with active suicidal thoughts.

SourceMedical College of Georgia at Augusta University·JournalThe Journal of Clinical Pharmacology·DateNov 19, 2018

Location, location, location

A team of scientists has found that translocating frogs from recovering populations to sites where the species was previously driven to extinction can lead to population recovery. The researchers tracked the health and survival of translocated frogs over several years, uncovering key insights into how disease and climate influence popu...

SourceUniversity of California - Santa Barbara·JournalEcosphere·DateNov 19, 2018

Chemistry freed from space and time

Researchers have successfully used remote servers in Japan to autonomously optimize conditions for synthesizing drugs in a British laboratory. The process was controlled over the internet by researchers in the USA, demonstrating the potential of cloud-based approaches for international collaboration and efficient production processes.

SourceWiley·JournalAngewandte Chemie International Edition·DateNov 19, 2018
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.

Kindergarten difficulties may predict academic achievement across primary grades

A Penn State study suggests that children's executive functions in kindergarten can predict their mathematics, reading, and science achievement, as well as classroom behavior, in second grade. Deficits in working-memory, a key component of executive functions, are strongly linked to repeated academic difficulties across elementary school.

SourcePenn State·JournalEarly Childhood Research Quarterly·DateNov 19, 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.

How the brain switches between different sets of rules

A new study from MIT has found that a region of the thalamus is key to switching between rules required for different contexts. The mediodorsal thalamus suppresses irrelevant representations, protecting them as short-term memory for reactivation. This process helps maintain neural representations and enables context-dependent actions.

SourceMassachusetts Institute of Technology·JournalNature Neuroscience·DateNov 19, 2018

Electrical cable triggers lightweight, fire-resistant cladding discovery

A University of Melbourne researcher has developed an organic, non-combustible and lightweight cladding core using ceramic particles activated by electrical cable insulation. This breakthrough material has been tested to withstand temperatures of 750 degrees Celsius and achieves Australian and International Standards on combustibility.

SourceUniversity of Melbourne·DateNov 19, 2018

Human images from world's first total-body scanner unveiled

The EXPLORER scanner captures a 3-D picture of the whole human body at once, producing images in as little as one second. It can track specially tagged drugs and has countless applications in diagnostics, disease progression, and new drug therapies.

SourceUniversity of California - Davis·DateNov 19, 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.

Less pollution can add a year to the lives of Copenhageners in 2040

Research suggests that reducing nitrogen dioxide pollution in Copenhagen could increase average lifespan by an entire year and lead to improved quality of life. The study found that by 2040, the number of men suffering from cardiovascular diseases could be reduced by 680 per 100,000 men.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalEnvironment International·DateNov 19, 2018

New drug discovery could halt spread of brain cancer

Researchers at Virginia Tech have discovered a drug that can block the spread of glioblastoma, the deadliest form of brain cancer, by halting the rapid movement of fluid within the body. The breakthrough finding could lead to improved treatment options for patients with glioblastoma.

SourceVirginia Tech·JournalScientific Reports·DateNov 19, 2018

New blood test detects early stage ovarian cancer

A new blood test has been developed to detect early stage ovarian cancer using a bacterial toxin, with the test detecting significant levels of cancer glycan in over 90% of women with stage 1 ovarian cancer. The test also showed 100% accuracy for later stages of the disease and has potential for simple liquid biopsy monitoring.

SourceUniversity of Adelaide·JournalBiochemical and Biophysical Research Communications·DateNov 19, 2018

New report outlines cancer screening's future potential

A new report from the American Cancer Society proposes key areas to advance cancer screening's contribution to cancer control. Research is needed to improve existing screening modalities, quality and performance of current tests, and develop new strategies for cancers amendable to screening.

SourceAmerican Cancer Society·DateNov 19, 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.

One in 5 kids with food allergies treated in emergency department in past year

According to the latest national food allergy prevalence survey, nearly 8% of US children (about 5.6 million) have food allergies, with 42% reporting at least one lifetime ED visit for a life-threatening reaction. However, only 40% of these children have a current prescription for an epinephrine auto-injector.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalPEDIATRICS·DateNov 19, 2018

White matter pathway and individual variability in human stereoacuity

A study found that neural tissue density in a specific white matter pathway, the vertical occipital fasciculus (VOF), correlates with individual differences in stereoacuity. The VOF connects key visual areas involved in stereopsis and is crucial for understanding its neural basis.

SourceNational Institute of Information and Communications Technology (NICT)·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Shoulder 'brightness' on ultrasound may be a sign of diabetes

Researchers found a link between shoulder muscle brightness on ultrasound and type 2 diabetes, with low glycogen levels suspected as the cause. The study's findings suggest that radiologists can use ultrasound images to predict diabetic status in nearly nine out of ten patients.

SourceRadiological Society of North America·DateNov 19, 2018

Duke forms prototype of robot dog nose

Researchers at Duke University have created a prototype of an artificial 'robot nose' device that uses living mouse cells to detect target odors, including cocaine and explosives. The device aims to mimic the human sense of smell and potentially replace trained dogs in security applications.

SourceDuke University·JournalNature Communications·DateNov 19, 2018

Ground and stream water clues reveal shale drilling impacts

Scientists analyzed pre- and post-drilling water samples to identify methane contamination sources near Marcellus Shale gas wells. The study found that drilling-related methane leaks can change water chemistry, mobilizing metals and releasing unwanted compounds.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateNov 19, 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.

Scientists discover new 'pinwheel' star system

Researchers have discovered a new massive star system dubbed 'Apep,' featuring a slow-moving dust pinwheel that defies current theories on how large stars die. The system's unusual rotation is thought to cause the star to collapse at its poles before the equator, producing a gamma-ray burst.

SourceNew York University·JournalNature Astronomy·DateNov 19, 2018

Peat burning during Indonesian wildfires

Weekly air sample analysis in Singapore revealed that peat burning was the primary source of smoke during Indonesian fires in 2015. The study suggests that around 85% of smoke reaching Singapore originated from peat, highlighting the need to protect peat from wildfires.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

On guns, docs tell the NRA #ThisisOurLane

Physicians say firearms are within their lane, disagreeing with NRA's stance on gun violence prevention. The American College of Physicians is collaborating with the American Foundation for Firearm Injury Reduction in Medicine to provide funding for research and develop practice recommendations on firearm injury prevention.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 19, 2018

Stopping cancer with a smartphone

A portable device that can screen for cervical cancer using a smartphone has been developed by researchers at the University of Arizona. The device is estimated to be less than $3,000 and can analyze images automatically, recommend treatment, and identify potentially cancerous areas. Its affordability, portability, and ease of use make...

SourceUniversity of Arizona College of Engineering·DateNov 19, 2018

Novel target identified for neuron regeneration, functional recovery in spinal cord injury

Scientists at Temple University Health System have identified LKB1 as a critical regulator of axon regeneration in mature neurons, leading to significant gains in functional recovery in mice with spinal cord injuries. Targeted upregulation of LKB1 protein stimulated long-distance neuron regeneration and improved locomotor function.

SourceTemple University Health System·JournalMolecular Therapy·DateNov 19, 2018
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.

Ocean warming

Researchers at the University of Delaware have found a previously unknown pathway for heat to travel from the Pacific to the Indian Ocean, bypassing the Indonesian Throughflow. This discovery has significant implications for climate change research and could inform scientists about global warming.

SourceUniversity of Delaware·JournalClimate Dynamics·DateNov 19, 2018

Odd bodies, rapid spins keep cosmic rings close

Research finds that gravity and unique shapes of small objects in our solar system create and maintain their own rings. Astronomers discovered that rings around Chariklo and Haumea are confined by the object's irregularities, contradicting previous assumptions about moon-dominated ring systems.

SourceCornell University·JournalNature Astronomy·DateNov 19, 2018

Emotional abuse may be linked with menopause misery

A UCSF-led study found that women who experienced emotional abuse had 50% higher odds of night sweats and 60% higher odds of painful sex. Women with PTSD symptoms or domestic violence history also reported higher prevalence of menopausal pain and discomfort.

SourceUniversity of California - San Francisco·JournalJAMA Internal Medicine·DateNov 19, 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.

Freeze-frame microscopy captures molecule's 'lock-and-load' on DNA

Researchers use cryo-electron microscopy to capture detailed snapshots of the TFIID molecule's dynamic structure as it interacts with DNA. The high-resolution images reveal new insights into the molecular mechanism and provide opportunities for developing drugs that target its structural changes.

SourceUniversity of California - Berkeley·JournalScience·DateNov 19, 2018

To resolve inflammation, location matters

A new study reveals that the protein Del-1 plays a vital role in clearing inflammation by connecting dying neutrophils to macrophages. The 'location principle' suggests that homeostatic molecules perform different regulatory functions depending on their location.

SourceUniversity of Pennsylvania·JournalNature Immunology·DateNov 19, 2018

Having poor vision can raise risk for falls among older adults

Falls are a major cause of illness and death among older adults with impaired vision, affecting 50% who limit activity due to fear, and 1 in 4 experiencing recurrent falls. Researchers found that taking steps to prevent falls can help slow declines in well-being and independence.

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·DateNov 19, 2018

Gene vital for post-stroke recovery identified for the first time

Researchers identified a set of genetic variants associated with poorer stroke recovery in patients. The study, involving over 2,000 patients, found that certain variants of the PATJ gene predispose individuals to worse outcomes after a stroke, resulting in significant disability and dependence.

SourceIMIM (Hospital del Mar Medical Research Institute)·JournalCirculation Research·DateNov 19, 2018

Jumping genes shed light on how advanced life may have emerged

Researchers discovered that retrotransposons and nonhomologous end-joining (NHEJ) interacted to create a selection pressure that helped lead to the emergence of advanced life. This interaction enabled eukaryotes to mix and match genes, creating more complicated functions.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

How leaves and petals take shape

A study explores how biomechanical factors shape plant organs, revealing a power-law distribution for growth strain within leaves. Researchers replicated leaf geometries in a hydrogel, offering insights into bioinspired structures in soft materials.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Bio jet fuels good for the climate, but technologies need tweaking

Producing bio jet fuels from forestry residues in Norway can help reduce climate impacts, but it may affect other SDGs like Zero Hunger and Clean Water. The country could potentially produce 20% of its projected jet fuel use from forest residues by 2030.

SourceNorwegian University of Science and Technology·JournalNature Sustainability·DateNov 19, 2018

Google data shows public interest in conservation is rising

A recent analysis of Google Trends data reveals a significant rise in public interest in conservation, with monthly searches reaching 110,000. The study's findings suggest that the growing interest in conservation is not diminishing, but rather complementing interest in climate change.

SourcePrinceton School of Public and International Affairs·JournalFrontiers in Ecology and the Environment·DateNov 19, 2018

Mite genomes reveal 'mighty surprising' fragrant and colorful secrets

Scientists discover functional genes for producing terpenes and carotenoids in mites, which could lead to new ways of controlling chigger bites and potentially treating scrub typhus. Ancient horizontal gene transfer from soil bacteria and fungi is found to be responsible for these genetic surprises.

SourceUniversity of Liverpool·JournalGigaScience·DateNov 19, 2018

Astronomers discover giant relic of disrupted 'tadpole' galaxy

Researchers have identified a giant, exceptional relic of a disrupted galaxy, comprising an elliptical head and a long tail. The 'tadpole' galaxy is 1 million light-years long from end to end and contains two nearby galaxies within it.

SourceAmerican Friends of Tel Aviv University·JournalMonthly Notices of the Royal Astronomical Society·DateNov 19, 2018

Cannabis youth prevention strategy should target mental wellbeing

A recent University of Waterloo study found that high school students with positive mental health are less likely to consume cannabis. The study suggests that marijuana prevention programs should focus on promoting mental wellbeing instead of abstinence.

SourceUniversity of Waterloo·JournalAddictive Behaviors·DateNov 19, 2018

Computational chemistry supports research on new semiconductor technologies

Researchers use computational chemistry to explore interactions between organic molecules and surfaces, gaining insights into designing patterned surfaces for next-generation semiconductors. High-performance computing enables simulations of molecular dynamics, revealing new phenomena and improving the understanding of chemical reactions.

SourceGauss Centre for Supercomputing·DateNov 19, 2018

'True polar wander' may have caused ice age

Researchers propose that changes in Earth's spin axis, known as true polar wander, triggered the latest ice age about 12 million years ago. By analyzing fossil signatures and magnetic data from ocean sediments, they found evidence of a 3-degree shift in the planet's rotation axis, which may have led to the formation of thick ice sheets.

SourceRice University·JournalGeophysical Research Letters·DateNov 19, 2018

Ecstasy ingredient may promote cooperation

A controlled laboratory study found that MDMA increased cooperation between individuals who had been betrayed, indicating the drug's potential as a treatment for post-traumatic stress disorder. The study also reported altered brain activity in regions involved in social information processing.

SourceSociety for Neuroscience·DateNov 19, 2018

Aspirin and omega-3 reduce pre-cancerous bowel polyps

A clinical trial found that aspirin reduced the number of polyps overall, including on the right side, while EPA reduced polyps on the left side. Both compounds had preventative effects by reducing specific types of polyps.

SourceUniversity of Leeds·JournalThe Lancet·DateNov 19, 2018

Swifts ride air currents to catch a free lunch

Researchers analyzed the flight patterns of swifts, discovering that they spend most of their time gliding and using rising currents to power their movements. This unique strategy allows them to extract energy from the air almost for free, making their foraging capabilities extremely efficient.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateNov 19, 2018

Exploring the genetic contribution to suicide risk

Researchers at University of Utah Health identified four gene changes linked to increased suicide risk in high-risk families. These findings may lead to new treatments for those who suffer from mental health issues.

SourceUniversity of Utah Health·JournalMolecular Psychiatry·DateNov 19, 2018

Cessation fatigue predicts which smokers making a quit attempt are likely to relapse

A new study found that cessation fatigue, emotional exhaustion and reduced coping resources, increases in the first six weeks of a quit attempt, leading to worse performance on smoking cessation milestones. High cessation fatigue scores predicted lower chances of going a full week without smoking at two months.

SourceMedical University of South Carolina·JournalJournal of Consulting and Clinical Psychology·DateNov 19, 2018

Response to daily stressors could affect brain health in older adults

A new study from Oregon State University found that older adults' daily stress reactions can impact their brain health. The researchers followed 111 participants aged 65-95 and discovered that those who experienced more negative emotions and reactivity to stressors showed greater cognitive decline.

SourceOregon State University·JournalPsychosomatic Medicine·DateNov 19, 2018

Researchers find promise in new treatment for peanut allergy

Researchers developed a new oral immunotherapy drug, AR101, derived from peanut protein, to build tolerance in peanut allergy sufferers. The study found that more than two-thirds of participants taking the active drug could tolerate a dose of peanut protein equivalent to about two peanut kernels.

SourceUniversity of Chicago Medical Center·JournalNew England Journal of Medicine·DateNov 19, 2018

Fine analysis of fur grooming in cats

A study reveals that cats' tongues use fine structures called papillae to aid grooming. The papillae wick saliva from the mouth and deposit it onto fur, regulating body temperature.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

Rare and diverse giant viruses unexpectedly found in a forest soil ecosystem

Researchers isolated giant viruses from soil at Harvard Forest using a novel mini-metagenomics approach, revealing unprecedented biodiversity and challenging existing knowledge of viral diversity. The discovery highlights the importance of new methods in uncovering key discoveries in microbial ecosystems.

SourceUniversity of Massachusetts Amherst·JournalNature Communications·DateNov 19, 2018

Amazonian peatlands as carbon source

A study simulating Amazonian peatland dynamics from 2100 AD to 12,000 years ago finds that peatlands may become a net source of carbon under changing climate conditions. Basin peatland and non-peatland soils are predicted to release up to 0.4 petagrams of carbon by 2100.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 19, 2018

A molecule for fighting muscular paralysis

Researchers at UNIGE have identified tamoxifen, a breast cancer medication, as a potential treatment for myotubular myopathy, a genetic disease that causes muscle paralysis and death before two years of age. The molecule greatly reduces the progression of the disease and boosts life expectancy in animal models by a factor of seven.

SourceUniversité de Genève·JournalNature Communications·DateNov 19, 2018