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Science News for October 21, 2019


Clay minerals call the shots with carbon

Researchers found that different clay minerals interact with organic matter to varying degrees, affecting carbon sequestration. Smectite and kaolinite form stable complexes with organic substances, while mica and chlorite bind tightly with continental carbon.

SourceETH Zurich·JournalScience·DateOct 21, 2019

Changes in microglia impact neuroinflammation and disease pathology

Researchers have made significant breakthroughs in understanding the role of microglia in neuroinflammation, a hallmark of degenerative brain diseases such as Alzheimer's Disease. Studies show that changes in microglial cells can trigger hyperexcitability in the brain, leading to decreased sociability and motivation.

SourceSociety for Neuroscience·DateOct 21, 2019
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Pinpointing biomolecules with nanometer accuracy

Scientists at Tokyo Tech achieve unprecedented precision in localizing biomolecules within intact cells using cryogenic fluorescence microscopy. The technique corrects the 'dipole orientation effect', a major limitation in fluorescence microscopy, resulting in nanometer-level accuracy.

SourceTokyo Institute of Technology·JournalThe Journal of Physical Chemistry Letters·DateOct 21, 2019

Protein in blood protects against neuronal damage after brain hemorrhage

Researchers have discovered a protective protein called haptoglobin that prevents free hemoglobin from damaging neurons after brain hemorrhage. By administering purified haptoglobin directly into the cerebrospinal fluid, they were able to prevent vasospasms and block toxic effects.

SourceUniversity of Zurich·JournalJournal of Clinical Investigation·DateOct 21, 2019

A technology to transform 2D planes into 3D soft and flexible structures

Researchers developed a new technology to produce flexible 3D medical devices by selectively bonding polymeric thin films using plasma. This method overcomes limitations of existing flexible 3D structures, enabling mass production with customized shapes and wire patterns.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalACS Applied Materials & Interfaces·DateOct 21, 2019
Apple iPhone 17 Pro

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

Vaginal tearing: Why are episiotomies down despite some benefits?

New UBC research finds a higher risk of severe tears with unassisted episiotomies, while assisted births like forceps deliveries show some protection against perineal injury. The study suggests caution in applying general guidelines for all vaginal deliveries.

SourceUniversity of British Columbia·JournalCanadian Medical Association Journal·DateOct 21, 2019

OU-led study reveals dry season increase in photosynthesis in Amazon rain forest

A University of Oklahoma-led study found a significant increase in photosynthesis in the Amazon rainforest during the dry season, as measured by satellite-based solar-induced chlorophyll fluorescence. The study provides new insights into the dynamics of Amazonian photosynthesis and its impact on global atmospheric carbon concentrations.

SourceUniversity of Oklahoma·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Animal study shows how stress and mother's abuse affects infant brain

A new study in rats reveals the extent of brain damage caused by short-term maternal abuse, which can lead to fear and memory problems. Researchers also found that the combination of stress and abuse can restrict growth of certain parts of the brain, leading to behavioral problems.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Consumers: Online restaurant reviews are not all equal

Research analyzed over 275,000 restaurant reviews to find differences in reader perception based on the platform where reviews were generated. Mobile reviews were associated with lower likes and consumption value compared to laptop or desktop reviews.

SourceUniversity of Connecticut·JournalMarketing Science·DateOct 21, 2019

The brain's favorite type of music

Listeners prefer songs with balanced uncertain expectations, suggesting a 'reward for learning'. Medium complexity musical fragments with counterbalancing uncertain and predictable events yield the highest preference ratings.

SourceSociety for Neuroscience·DateOct 21, 2019

Dartmouth lab introduces the next wave of interactive technology

The XDiscovery Lab at Dartmouth has introduced three innovative technologies: TipText, a finger-based keyboard for wearables; Tessutivo, a conductive fabric that interacts with objects; and Proxino, a tool for testing virtual circuits in the physical world. These advancements bring humans closer to devices and could enable new forms of...

SourceDartmouth College·DateOct 21, 2019

Evolutionary history of butterflies and moths

A dated evolutionary tree for butterflies and moths reveals they diversified 300 million years ago, earlier than previously thought. The study supports the hypothesis that Lepidoptera coevolved with flowering plants but not with echolocating bats.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
CalDigit TS4 Thunderbolt 4 Dock

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

A cavity leads to a strong interaction between light and matter

Researchers have successfully created an efficient quantum-mechanical light-matter interface using a microscopic cavity, enabling interactions between individual photons and artificial atoms. The experiment demonstrates the potential for new quantum technological applications in photonics and quantum information processing.

SourceUniversity of Basel·JournalNature·DateOct 21, 2019

Toll roads are good for the environment, Russian scientists confirm

Researchers developed a method to calculate truck stops along routes, confirming toll roads are eco-friendly and economically viable. The study uses data from Yandex.Traffic and GLONASS/GPS systems to promote efficient routes.

SourcePeter the Great Saint-Petersburg Polytechnic University·JournalE3S Web of Conferences·DateOct 21, 2019

Silencing RNA nanotherapy shows promise against pancreatic cancer

Researchers at Washington University and USF Health developed a peptide-based nanoparticle that delivers siRNA to suppress KRAS-driven cancer growth without adverse effects. The nanoparticles effectively target tumor cells, reducing tumor cell death and slowing cancer growth.

SourceUniversity of South Florida (USF Health)·JournalOncoTargets and Therapy·DateOct 21, 2019
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Mark A. Warner, M.D. receives the Distinguished Service Award

Dr. Mark A. Warner has made significant contributions to the field of anesthesiology through his work on patient care, academic leadership, and scientific discovery. He is a past president of the American Society of Anesthesiologists and has led initiatives in perioperative surgical home model of care.

SourceAmerican Society of Anesthesiologists·DateOct 21, 2019

Composite metal foam outperforms aluminum for use in aircraft wings

Researchers at North Carolina State University have discovered a composite metal foam (CMF) material that surpasses traditional aluminum in leading-edge characteristics. The infused CMF exhibits improved contact angle, insect adhesion, and particle wear resistance, making it an attractive alternative for aircraft wing components.

SourceNorth Carolina State University·JournalApplied Surface Science·DateOct 21, 2019

'Artificial leaf' successfully produces clean gas

Researchers at the University of Cambridge have successfully developed an artificial leaf that can directly produce syngas, a widely-used gas currently made from fossil fuels, in a sustainable way. The device uses sunlight, carbon dioxide, and water to produce clean gas without releasing additional carbon dioxide into the atmosphere.

SourceUniversity of Cambridge·JournalNature Materials·DateOct 21, 2019
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Children's Hospital of Philadelphia offers help and cure for picky eaters

A new group cognitive-behavioral therapy program is being used to help parents of children with Avoidant/Restrictive Food Intake Disorder (ARFID) improve their child's mealtime behaviors. The program, known as the Picky Eaters Clinic, has reported life-changing improvements in parents and their children.

SourceChildren's Hospital of Philadelphia·JournalCognitive and Behavioral Practice·DateOct 21, 2019

NASA finds a transitioning Tropical Storm Neoguri

Tropical Storm Neoguri is undergoing extratropical transition due to southwesterly wind shear, resulting in elongated storm structure and weakened convection. The system's maximum sustained winds near 40 knots (46 mph) are expected to decrease within 12 hours.

SourceNASA/Goddard Space Flight Center·DateOct 21, 2019

Neandertal birch tar-hafted tool

Researchers discovered a Neandertal-made tar-backed tool from the North Sea, revealing the use of complex technology by Neandertals. The tool, dated to approximately 50,000 years old, suggests a considerable investment of resources in its production and maintenance.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

International research community calls for recognition of forests' role in human prosperity

A new special issue of World Development examines the ways forests serve to alleviate poverty around the world. Research highlights the importance of forests in promoting broader prosperity, including through community-based forest enterprises, ecotourism, and ecosystem services.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalWorld Development·DateOct 21, 2019
Fluke 87V Industrial Digital Multimeter

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

BU researchers identify unique brain changes in people with Huntington's disease

Researchers analyzed brain samples from two mutant HD gene positive individuals and found massive inflammation and similar gene expression patterns in the striatum compared to the prefrontal cortex. Unique patterns were also observed in the striatum, suggesting active neurogenesis during the disease process.

SourceBoston University School of Medicine·JournalBMC Medical Genomics·DateOct 21, 2019

Bacteria must be 'stressed out' to divide

Scientists discovered that bacterial cell division requires both mechanical and biological processes. The study found that a build-up of mechanical stress in the cell wall is necessary before division occurs, and can even be triggered by physical pressure.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Physics·DateOct 21, 2019
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

The night gardeners: Immune cells rewire, repair brain while we sleep

New research reveals that immune cells called microglia are active during sleep, rewiring brain connections and repairing damage. Microglia's interaction with neurotransmitters like norepinephrine regulates their activity, suggesting a link between sleep and brain health.

SourceUniversity of Rochester Medical Center·JournalNature Neuroscience·DateOct 21, 2019

Trade-offs in REDD+ funds distribution

Global REDD+ fund allocation scenarios optimize carbon reduction for a moderate cost increase in biodiversity conservation. Adding ambition to equity targets significantly improves outcomes without reducing the effect of funding on carbon and biodiversity results.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Researchers watch quantum knots untie

Researchers at Aalto University have studied the dynamics of quantum knots, finding that they untie themselves within a short period before forming a vortex. This discovery opens up new avenues for experimental research and suggests that quantum knots may be more unstable than previously thought.

SourceAalto University·JournalPhysical Review Letters·DateOct 21, 2019

Find FH® machine learning model flags individuals with FH for first time at national level

A new machine learning algorithm identified individuals with probable familial hypercholesterolemia (FH) for the first time at a national scale, reducing the number of people needed to be screened. The FIND FH model performed comparably well on diverse healthcare data and has been implemented in several US healthcare systems.

SourceFamily Heart Foundation·JournalThe Lancet Digital Health·DateOct 21, 2019

Computer science classes break down cultural barriers, study shows

A new study from Cornell University researchers found that computational education can foster intercultural learning and unlikely friendships between students from diverse backgrounds. Despite initial resistance, the structure of the class enabled cooperation and bonding among students from different ethnic groups.

SourceCornell University·DateOct 21, 2019

Stem cell study offers new way to study early development and pregnancy

Researchers at Salk Institute create mouse blastocyst-like structures from single cultured cells, mimicking the natural developmental process. The blastoids can form a ball with an inner and outer layer, accumulating proteins that induce expression of proteins to build what could eventually become a placenta.

SourceSalk Institute·JournalCell·DateOct 21, 2019

Speech and social class perception

Using audio recordings, researchers found that listening to speech patterns allowed strangers to accurately predict social class, age, gender, and race more than half the time. Speech patterns were less accurate for social class judgments compared to other categories, suggesting they may perpetuate social inequality.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

New therapeutic strategy may help reverse autism behavioral abnormalities

Researchers at Baylor College of Medicine have developed a new therapeutic approach to treat symptoms associated with PTEN deficiency, which is linked to autism and other neurological disorders. The treatment targets the mTORC2 complex and has shown promising results in reversing behavioral abnormalities and reducing seizures in mice.

SourceBaylor College of Medicine·JournalNature Medicine·DateOct 21, 2019

Climate warming promises more frequent extreme El Niño events

A new study reveals that climate warming has shifted the onset location of strong El Niño events from the eastern Pacific to the western Pacific, causing more frequent extreme events. This shift is linked to increased sea surface temperatures in the western Pacific warm pool and easterly winds in the central Pacific.

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

ASA recognizes Judith Hellman, M.D., with its Excellence in Research Award

Dr. Judith Hellman has been awarded the American Society of Anesthesiologists' Excellence in Research Award for her groundbreaking research on sepsis and inflammatory critical illness. Her discoveries have led to improved understanding of inflammation, immune function, and potential treatments for sepsis.

SourceAmerican Society of Anesthesiologists·DateOct 21, 2019
Meta Quest 3 512GB

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

Symbol of change for AI development

A team of researchers at KAUST has developed a mathematical bridge between high-level symbolic representations and statistical data, enabling artificial intelligence algorithms to make use of vast stores of symbolic knowledge. This breakthrough could lead to significant improvements in machine learning and biomedical applications.

SourceKing Abdullah University of Science & Technology (KAUST)·DateOct 21, 2019

Forests on the radar

Researchers found that coarser radar data provide comparable and sometimes superior results to high-resolution laser scanning data in monitoring forest biodiversity. Better, standardized ground-based biodiversity data are needed nationwide for more effective monitoring.

SourceUniversity of Würzburg·JournalNature Communications·DateOct 21, 2019

Assessing the benefits and risks of land-based greenhouse gas removal

Researchers evaluated six options, including afforestation, wetland restoration, and soil carbon sequestration, finding they contribute positively to ecosystem services and SDGs. However, some options require risk management to avoid negative impacts on food production and clean water.

SourceInternational Institute for Applied Systems Analysis·JournalAnnual Review of Environment and Resources·DateOct 21, 2019
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

California's crashing kelp forest

A study found that a perfect storm of events led to the decline of California's bull kelp forests, resulting in the loss of over 90% of kelp and 96% of red abalone. Purple sea urchin populations exploded, devouring all available food sources. However, researchers are exploring urchin ranching as a potential solution to restore kelp beds.

SourceUniversity of California - Davis·JournalScientific Reports·DateOct 21, 2019

Wood burial in the Bengal Fan

Scientists have found millimeter- to centimeter-sized wood fragments in sediment cores from the Bengal Fan, a large deposit in the Bay of Bengal. This discovery suggests that wood burial at continental margins may be a previously overlooked component of carbon sequestration.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Volcanic ash sparks a new discovery

Researchers used plasma physics to study how volcanic ash modifies standing shock wave height, width, and lifetime. This discovery enables the tracking of standing shock waves in laboratory experiments, potentially leading to improved ash estimates and early predictions of hazardous plumes.

SourceAmerican Physical Society·DateOct 21, 2019
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Bioprinting: Living cells in a 3D printer

Researchers at TU Wien have developed a new bioprinting process that integrates living cells into fine structures created in a 3D printer, achieving high resolution and speed. This technique allows for the control of cell behavior and growth, enabling studies on tissue development and disease spread.

SourceVienna University of Technology·JournalAdvanced Healthcare Materials·DateOct 21, 2019

UVA tapped to create graduate course that advances public interest technology

The University of Virginia has earned a national grant to establish a graduate course that explores the complex ethical, legal, and policy implications of new technologies. The course, called Innovation in the Public Interest, will be offered through UVA's schools of engineering, law, and politics.

SourceUniversity of Virginia School of Engineering and Applied Science·DateOct 21, 2019

New insights could help tame speedy ions in fusion plasmas

A team at DIII-D National Fusion Facility used a rugged magnetic sensor and high-performance computing to capture fast ion fluctuations. This data will help improve computer models that interpret the behavior of fast ions, enabling real-time control and efficient heating of plasma in future reactors.

SourceAmerican Physical Society·DateOct 21, 2019
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Stephan Grupp, MD, PhD, elected to National Academy of Medicine

Stephan Grupp, a leading pediatric oncologist, has been elected to the National Academy of Medicine for his groundbreaking work in cell and gene therapy. He is recognized for developing an entirely novel therapy for acute lymphoblastic leukemia and leading the first global engineered cell therapy trial.

SourceChildren's Hospital of Philadelphia·DateOct 21, 2019

Butterflies and plants evolved in sync, but moth 'ears' predated bats

A new study reveals that moths evolved 'ears' millions of years before the emergence of bats, challenging the long-held hypothesis that bats drove this adaptation. Fossil analysis and genetic data confirm that flowering plants played a key role in shaping moth diversity.

SourceFlorida Museum of Natural History·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Listening in to how proteins talk and learning their language

A research team developed a new machine learning approach called UniRep to predict protein functions and identify optimal amino acid sequences. The method was trained on 24 million protein sequences and accurately predicted features such as protein stability and secondary structure.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalNature Methods·DateOct 21, 2019
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

It takes two -- a two-atom catalyst, that is -- to make oxygen from water

Researchers discovered a two-atom catalyst that enables efficient oxygen production from water under low-light conditions. The study's findings mimic the activation of photosystem II during photosynthesis, suggesting that similar two-atom catalytic cores might be suitable for achieving efficient water splitting.

SourceYale University·JournalNature Chemistry·DateOct 21, 2019

Study finds no link between youth contact sports and cognitive, mental health problems

A new study of nearly 11,000 youth followed for 14 years found that adolescents who play contact sports are not more likely to experience cognitive impairment, depression, or suicidal thoughts later in life. In fact, football players were less likely to suffer from depression in early adulthood compared to other groups.

SourceUniversity of Colorado at Boulder·JournalOrthopaedic Journal of Sports Medicine·DateOct 21, 2019

Immune reaction causes malaria organ damage

Researchers discovered a mechanism behind malaria's severe complications: an immune reaction that damages the patient's own tissue. The parasite triggers an escalation of neutrophil activity, leading to organ failure and death in severe cases.

SourceMax-Planck-Gesellschaft·JournalScience Immunology·DateOct 21, 2019

Transient and long-term disruption of gut microbes after antibiotics

Researchers tracked the disruption of gut microbes after antibiotics, finding that some individuals experienced long-term changes to their microbiome. The study used bioinformatic tools to analyze fecal samples from 30 young adults who received single or triple antibiotic treatments.

SourceUniversity of Alabama at Birmingham·Journalnpj Biofilms and Microbiomes·DateOct 21, 2019
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Research improves understanding of mechanism of atrial fibrillation

Researchers at Baylor College of Medicine have discovered a functional link between noncoding DNA regions called Pitx2 enhancers and the expression of the Pitx2 gene in relation to atrial fibrillation. This interaction prevents predisposition to the condition by looping and folding distant Pitx2 enhancers to make contact with the gene.

SourceBaylor College of Medicine·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Research reveals how migration affects DNA patterns in the UK

A major new study reveals how socio-economic migration within the UK has affected the geographic distribution of human DNA linked to traits such as education levels and health. Regional variations in human DNA have long been known to reflect distant ancestry differences.

SourceUniversity of East Anglia·JournalNature Human Behaviour·DateOct 21, 2019
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Lonesome no more: White sharks hang with buddies

Researchers have found that white sharks gather in large numbers at seal nurseries, forming persistent communities that persist for years. The study used photo-identification and network analysis to show that the apex predators choose who they hang with, driven by sex-dependent patterns of visitation.

SourceMacquarie University·DateOct 21, 2019

Overshadowed

A study by Harvard Medical School found that local researchers from sub-Saharan Africa are often excluded from first and senior author positions when collaborating with high-income country authors. This bias affects representation of local authors, particularly in top-tier universities.

SourceHarvard Medical School·JournalBMJ Global Health·DateOct 21, 2019
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Porous polymer coatings dynamically control light and heat

Researchers have developed porous polymer coatings that can reversibly switch their optical transmittance in solar and thermal wavelengths, enabling dynamic control of light and heat in buildings. The coatings can regulate indoor temperatures and light levels, making them suitable for heating, cooling, and lighting applications.

SourceColumbia University School of Engineering and Applied Science·JournalJoule·DateOct 21, 2019

Atomic images reveal unusually many neighbors for some oxygen atoms

A study published in Nature Communications reveals new bonding configurations for nitrogen and oxygen atoms in graphene. Researchers found that oxygen atoms can form three bonds with carbon neighbors, contradicting the traditional understanding of their bonding behavior.

SourceUniversity of Vienna·JournalNature Communications·DateOct 21, 2019
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Taking new angle to enable more efficient, compact fusion power plants

Researchers at DIII-D National Fusion Facility demonstrated a new approach to injecting microwaves into fusion plasma, doubling the efficiency of critical technique. This method uses novel geometry to deliver substantial improvements in plasma current drive, paving the way for more efficient compact fusion power plants.

SourceAmerican Physical Society·DateOct 21, 2019

$1.2 million in grants to fund search for diabetes cure

Binghamton University researchers aim to develop islet-like organoids that can produce insulin, addressing the shortage of usable islets in current treatments. The project uses induced pluripotent stem cells and oxygen-releasing materials to create microenvironments for controlled cell differentiation.

SourceBinghamton University·DateOct 21, 2019
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Infant maltreatment and brain changes

Rat pups exposed to infant maltreatment exhibit elevated stress-hormone levels, amygdala, hippocampus, and social behavior deficits. These changes are influenced by the presence or absence of a nurturing mother, highlighting specific effects of stress and social context on brain and behavioral development.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Breaking the stroma barrier: Study shows a new way to hit cancer with radiation

Researchers at Osaka University have developed a new radiation therapy method that targets pancreatic cancer cells directly, reducing side effects. The treatment uses a radioactive molecule that binds to specific proteins on stroma cells surrounding tumors, delivering high-energy doses of radiation to cancer tissue.

SourceOsaka University·JournalJournal of Nuclear Medicine·DateOct 21, 2019

Widespread drying of European peatlands in recent centuries

Researchers found that nearly half of the study sites are the driest they have been for the last 1,000 years, with cutting, drainage, burning, and grazing contributing to peatland drying. The combined pressure of climate change and human impacts threatens these critical carbon-storing ecosystems.

SourceUniversity of Leeds·JournalNature Geoscience·DateOct 21, 2019
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Ocean acidification and mass extinction

Researchers found evidence of rapid ocean surface acidification following the Chicxulub asteroid impact, which may have contributed to the K-Pg mass extinction. The study suggests that this acidification led to a significant reduction in global marine primary productivity, lasting up to 40,000 years.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

HPV immunization program cuts pre-cancer rates by more than half

A school-based HPV vaccination program in British Columbia has significantly reduced cervical pre-cancer rates among women, with a 57% reduction found in those vaccinated as Grade 6 girls compared to unvaccinated women. Regular cervical screening is crucial in preventing cervical cancer from developing.

SourceUniversity of British Columbia·JournalThe Journal of Infectious Diseases·DateOct 21, 2019

Schools of molecular 'fish' could improve display screens

Scientists at the University of Colorado Boulder have developed a way to create tiny schools of molecular 'fish' using liquid crystals. These deformations, which can twirl together as a group and interact with each other, could lead to new interactive display technologies.

SourceUniversity of Colorado at Boulder·JournalNature Communications·DateOct 21, 2019
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

How rat-eating monkeys can help protect palm oil harvests

A study published in Current Biology found that pig-tailed macaques actively search for and hunt rats, a major pest of palm oil crops. By controlling rat populations, the macaques can reduce crop damage by up to 3%, leading to increased yield and sustainability.

SourceCell Press·JournalCurrent Biology·DateOct 21, 2019

Is cigarette type associated with lung cancer outcomes?

A study of over 14,000 participants found associations between specific cigarette characteristics and lung cancer outcomes. Researchers analyzed data from a lung screening trial to investigate the impact of cigarette filter status, tar level, and menthol flavor on lung cancer outcomes.

SourceJAMA Network·JournalJAMA Internal Medicine·DateOct 21, 2019

Resistance to last resort drug arose in patient over 3 weeks

Researchers discovered a single nucleotide mutation in P. aeruginosa that caused rapid resistance to ceftolozane-tazobactam and partial resensitization to carbapenems and piperacilline-tazobactam. This finding may enable the use of these antibiotics in treating extremely drug-resistant P. aeruginosa cases.

SourceAmerican Society for Microbiology·JournalAntimicrobial Agents and Chemotherapy·DateOct 21, 2019
Celestron NexStar 8SE Computerized Telescope

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

Magneto-inertial fusion experiment nears completion

The Plasma Liner Experiment is testing a novel plasma fusion concept while providing insights into the physics of colliding plasma jets. Experiments are also helping to validate simulations crucial for understanding and developing other controlled fusion schemes.

SourceAmerican Physical Society·DateOct 21, 2019

Lead poisoning reduced with safer mining practices

A pilot program introducing safer mining practices in Nigerian gold mining communities has reduced blood lead levels among miners by 32%. The study, published in the British Medical Journal Occupational and Environmental Medicine, also found that women miners experienced lower reductions in lead levels. The project's success demonstrat...

SourceOK International·JournalOccupational and Environmental Medicine·DateOct 21, 2019

Taking a new tangent to control pesky waves in fusion plasmas

Researchers at Princeton Plasma Physics Laboratory developed new mathematical tools to forecast when waves will cool plasma and quench fusion reactions. A second beam injected at a different angle can suppress the effect of waves, providing new methods for maintaining plasma confinement.

SourceAmerican Physical Society·DateOct 21, 2019
Sky-Watcher EQ6-R Pro Equatorial Mount

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

Images offer most detailed glimpse yet into how skin senses temperature

Columbia University researchers have captured the most detailed images yet of a temperature-sensing molecule in its open, intermediate, and closed states. The findings will help us understand the mechanics of hot and cold sensation, which could accelerate the development of drugs for inflammatory skin disease, itch, and pain.

SourceColumbia University Irving Medical Center·JournalNature Structural & Molecular Biology·DateOct 21, 2019

GenBank can be trusted

A recent study analyzed over 4.7 million mtDNA sequences from GenBank and found fewer errors than predicted, with less than 1% of sequences mislabeled. The researchers identified potential sources of error, such as human or lab animal contamination, but overall found GenBank to be a reliable tool for environmental DNA identification.

SourceSmithsonian Tropical Research Institute·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Fathers are 'cautionary tales' about health for some adults

A study found that mothers have a positive influence on adult children's health, while fathers are often seen as 'cautionary tales' about poor health behaviors. Mothers tend to be supportive and available when needed, whereas fathers may encourage unhealthy habits.

SourceOhio State University·JournalJournal of Family Issues·DateOct 21, 2019

American Indians may have a higher risk for irregular heartbeat

Researchers found that American Indians experience a higher risk of atrial fibrillation (AFib) than other racial and ethnic groups. The study analyzed 300,000 new cases of AFib in California residents between 2005 and 2011, revealing that American Indians had an average of 7.5 AFib cases per year per thousand patients.

SourceAmerican Heart Association·DateOct 21, 2019

NASA finds Typhoon Bualoi rapidly intensified

Typhoon Bualoi rapidly intensified over 24 hours, developing an eye and powerful thunderstorms. The storm's organization and strength were assessed using satellite imagery provided by NASA-NOAA's Suomi NPP satellite.

SourceNASA/Goddard Space Flight Center·DateOct 21, 2019

Novel method turns any 3D object into a cubic style

A new method enables automatic replication of detailed 3D shapes in a digital environment, overcoming the challenge of replicating cube-style shapes. The algorithm captures realistic cubic style and allows users to create new shapes resembling the input shape.

SourceAssociation for Computing Machinery·DateOct 21, 2019

Changing El Niño properties

Researchers report a shift in El Niño onset from the eastern Pacific to the western Pacific, leading to more frequent and intense extreme events. Climate models predict further intensification under anthropogenic climate change.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Brain hemorrhage detection by artificial neural network

Researchers developed a neural network, PatchFCN, trained on 4,396 CT scans to detect brain hemorrhage abnormalities with accuracy similar to human experts. The algorithm achieved high accuracy and pixel-level delineation, classifying abnormalities into different pathological subtypes.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Exploring the effect of fasting on age-related diseases

A research team has identified a novel caloric restriction mimetic, 3,4-dimethoxychalcone, which induces autophagy and promotes longevity. The substance may prove useful in treating age-related diseases such as cardiovascular disease and cancer.

SourceEMBO·JournalEMBO Molecular Medicine·DateOct 21, 2019

Civil unrest and Ebola control

Conflict events repeatedly reversed a declining phase of the Ebola epidemic in the Democratic Republic of Congo, according to researchers. Vaccination effectiveness was severely impacted by preceding unrest and subsequent conflict events, dropping from 52% to 4.8%.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Catastrophic events carry forests of trees thousands of miles to a burial at sea

Research team finds wood chips from ancient trees dating back 19 million years in ocean core samples, revealing a previously unrecognized way carbon remains locked away for millions of years. The discovery suggests that the amount of carbon exported and buried by modern rivers may be 50% greater than previously thought.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

£4m study investigates impact of climate change on Antarctic ice sheet

A £4 million EU-funded study is investigating the likelihood of abrupt changes in Antarctica's ice sheets, which could lead to a large and irreversible rise in global sea levels. The researchers aim to assess the chances of Antarctica's ice sheets entering an unstable retreat caused by thinning or disappearance of ice shelves.

SourceNorthumbria University·DateOct 21, 2019

Deepest look yet at brewer's yeasts reveals the diversity harnessed by humans

Researchers have discovered seven distinct combinations of yeast species in bottles of beer, wine, and cider, highlighting the complexity of brewing traditions. The study found that some yeasts were hybrids of as many as four species, and that specific genetic traits contribute to the characteristics of fermented beverages.

SourceUniversity of Wisconsin-Madison·JournalNature Ecology & Evolution·DateOct 21, 2019

Closures affect 1 in 8 pharmacies in the US

A study by researchers at the University of Illinois Chicago found that one in eight pharmacies in the US closed between 2009 and 2015. Independent pharmacies in urban areas are disproportionately affected, with nearly half closing due to lack of access to preferred pharmacy networks and 340B contracts.

SourceUniversity of Illinois Chicago·JournalJAMA Internal Medicine·DateOct 21, 2019

New CRISPR genome editing system offers a wide range of versatility in human cells

A new CRISPR approach called prime editing has been developed by combining two key proteins and a new RNA to make targeted insertions, deletions, and single-letter changes in human cells. The system expands the scope of gene editing with up to 89% precision and potential correction of disease-causing genetic variations.

SourceBroad Institute of MIT and Harvard·JournalNature·DateOct 21, 2019

Island retreat: Fuel injection helps reduce magnetic island instabilities

Researchers have discovered that injecting frozen hydrogen fuel pellets into a fusion reactor's plasma can help repair tears in the surrounding magnetic field, reducing magnetic island instabilities. This approach may improve the efficiency of future fusion power plants by freeing up resources needed for magnetic stability.

SourceAmerican Physical Society·DateOct 21, 2019

Family members can assist in preventing post-operative delirium by as much as 16.8%

A study published in JAMA Internal Medicine found that adapting the Hospital Elder Life Program for non-volunteers and family members can effectively prevent post-operative delirium. The tailored intervention reduced delirium occurrence by 19.4% compared to usual care, with greater functional and cognitive recovery afterwards.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalJAMA Internal Medicine·DateOct 21, 2019

Repurposing heart drugs to target cancer cells

Researchers have identified a new set of senolytic drugs that can selectively eliminate senescent cells, including those triggered by cancer and irradiation. These compounds, such as ouabain, are repurposed from existing heart medications to treat various diseases, including leukemia and lymphoma.

SourceMedical Research Council (MRC) Laboratory of Medical Sciences·JournalNature Metabolism·DateOct 21, 2019

It really was the asteroid

A new study has confirmed that a massive asteroid impact led to the extinction of dinosaurs and much of life on Earth. The impact caused rapid ocean acidification, which lasted for tens of thousands of years before life forms recovered and the carbon cycle reached a new equilibrium.

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Much of the earth is still wild, but threatened by fragmentation

A recent study reveals that half of the Earth's land surface remains relatively wild, but fragmented into small pieces, posing a threat to their future. The report identifies high-priority areas for protection, including remote boreal forests and tropical rainforests.

SourceUniversity of California - Davis·JournalScientific Reports·DateOct 21, 2019

The secret of classic Belgian beers? Medieval super yeasts!

A team of scientists discovered that classic Belgian beers, including Gueuze and Trappist ales, are fermented with rare hybrid yeasts combining DNA from traditional ale yeast and stress-resistant feral yeasts. This unique adaptation allows for better fermentation capacity and special aromas.

SourceVIB (the Flanders Institute for Biotechnology)·JournalNature Ecology & Evolution·DateOct 21, 2019

Scientists pioneer new way of finding cancer-causing germs

Researchers developed a new approach to detect bacteria and viruses associated with cancers. By sequencing genomic data from tumors, they can identify pathogens linked to diseases such as stomach cancer and cervical cancer. The method holds promise for developing new cancer vaccines in the future.

SourceUniversity of East Anglia·JournalGenome Biology·DateOct 21, 2019

Yale study shows class bias in hiring based on few seconds of speech

A Yale study reveals that hiring managers judge candidates' competence and fitness for a job based on socioeconomic position inferred from brief speech patterns. The study shows that these snap perceptions influence hiring decisions in ways that perpetuate inequality.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Defining the centromere

Researchers from the Leibniz Institute of Plant Genetics and Crop Plant Research have discovered a chaperone protein that affects CenH3 loading to centromeres, crucial for kinetochore assembly. This finding has potential applications in plant breeding, particularly in haploid induction, which can speed up breeding processes.

SourceLeibniz Institute of Plant Genetics and Crop Plant Research·JournalThe Plant Journal·DateOct 21, 2019

Analysis of US pharmacy closures

Pharmacy closures in the US are becoming increasingly common, with significant implications for patient access to essential medications and care. The research letter highlights several risk factors associated with closure, including demographic changes, consolidation of pharmacies, and regulatory issues.

SourceJAMA Network·JournalJAMA Internal Medicine·DateOct 21, 2019

AI rivals expert radiologists at detecting brain hemorrhages

A new AI algorithm developed by UCSF and UC Berkeley outperformed two out of four expert radiologists in detecting tiny brain hemorrhages on head scans. The algorithm achieved exam-level accuracy, tracing detailed outlines of abnormalities within the brain's three-dimensional structure.

SourceUniversity of California - San Francisco·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Song-learning neurons identified in songbirds

A study published in PNAS reveals that corticobasal ganglia projecting neurons play a crucial role in song learning during juvenile development. In contrast, adult birds with disrupted projection neurons maintain their pre-learned song structure and exhibit normal vocal fluctuations.

SourceHokkaido University·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Cell stiffness may indicate whether tumors will invade

Researchers found that cells on a tumor's periphery are softer and more likely to invade surrounding tissues. This softness enables the cells to spread through the body's vasculature, forming 'invasive tips' that break away from the tumor.

SourceMassachusetts Institute of Technology·JournalNature Physics·DateOct 21, 2019

Impact: 60 years of shock wave research at Sandia National Laboratories

Shock wave physics studies material behavior under tremendous forces, with applications to nuclear and conventional weapons, astrophysics, and material synthesis. Sandia's achievements in shock wave science include the construction of the world's largest high frequency electromagnetic wave generator.

SourceAmerican Physical Society·DateOct 21, 2019

Gene variants influence size of brainstem, other structures

Researchers discovered 48 genetic variations associated with brainstem and subcortical structure volumes, including those related to diseases like Alzheimer's and Parkinson's. The study's findings may lead to novel drug targets for treating these conditions.

SourceUniversity of Texas Health Science Center at San Antonio·JournalNature Genetics·DateOct 21, 2019

How the brain dials up the volume to hear someone in a crowd

A team of neuroengineers at Columbia University has uncovered the steps that take place in the brain to pick out one voice from among many. The auditory cortex, the brain's listening center, decodes and amplifies one voice over others at lightning-fast speeds, with two areas, Heschl's gyrus (HG) and superior temporal gyrus (STG), playi...

SourceThe Zuckerman Institute at Columbia University·JournalNeuron·DateOct 21, 2019

Mystery solved: Ocean acidity in the last mass extinction

A Yale University study reveals that the Cretaceous-Paleogene extinction event was triggered by a sharp drop in ocean acidity, leading to the demise of marine calcifiers and a 50% decline in species productivity. The research provides new insights into the recovery of marine life after the event.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateOct 21, 2019

Waste plastic converted into filtration membranes

The KAUST team developed porous membranes from recycled poly(ethylene terephthalate) (PET), reducing the energy used in chemical separation processes. The membranes can withstand high temperatures and separate molecules of different sizes.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalACS Applied Polymer Materials·DateOct 21, 2019

Gimme six! Researchers discover aye-aye's extra finger

Researchers have discovered a tiny, fully functional extra finger in the aye-aye's hand, which is believed to aid in gripping and mobility. The pseudothumb is composed of both bone and cartilage and has three distinct muscles that enable movement and force.

SourceNorth Carolina State University·JournalAmerican Journal of Physical Anthropology·DateOct 21, 2019

A star is born: Using lasers to study how star stuff is made

Scientists at NIF recreate stellar-like conditions to study nucleosynthesis reactions, including the 3He-3He reaction responsible for nearly half of our sun's energy generation. Preliminary results show that protons from this reaction have been observed in these experiments at lower temperatures.

SourceAmerican Physical Society·DateOct 21, 2019

Twin study shows what's good for the heart is good for the brain

A recent twin study published in the Journal of Alzheimer's Disease found a strong correlation between good cardiovascular health and improved cognitive function. The research suggests that adopting an ideal lifestyle with low CVH scores may not only reduce heart disease but also lower dementia risk.

SourceEmory Health Sciences·DateOct 21, 2019

Amazon's white bellbirds set new record for loudest bird call

Researchers at UMass Amherst and a Brazilian institute recorded the loudest bird calls ever documented by dove-sized male white bellbirds. The calls have sound pressure levels about three times that of screaming pihas, another Amazon species.

SourceUniversity of Massachusetts Amherst·JournalCurrent Biology·DateOct 21, 2019

New deep-water coral discovered

Researchers have discovered a new species of deep-water coral, Psammogorgia pax, in the Pacific Ocean off Panama. This find is significant for its contribution to understanding the ecology and biodiversity of mesophotic coral communities, which are difficult to access and require increased protection.

SourceSmithsonian Tropical Research Institute·JournalBulletin of Marine Science·DateOct 21, 2019

Uncovering the principles behind RNA folding

A Northwestern University research team discovered similarities in RNA folding among riboswitches, which could impact the design of future RNA-specific therapeutics and synthetic biology tools. The findings could also inform efforts to treat diseases triggered by RNA-level misfolding.

SourceNorthwestern University·JournalNature Chemical Biology·DateOct 21, 2019