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Science News Archive November 2022 - Page 38


Page 38 of 39

Simulating the shear destruction of red blood cells

Researchers developed a model to simulate red blood cell destruction in high shear flows, revealing acceleration as a major factor. They recommend adding flow buffers to VADs to reduce hemolysis, aiming to improve hydraulic performance and patient outcomes.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateNov 1, 2022

Introduction of fluoroethylene carbonate into a poly(1,3-dioxolane)-based polymer electrolyte to stabilize a sodium metal anode

The introduction of fluoroethylene carbonate (FEC) into a poly(1,3-dioxolane)-based polymer electrolyte improves the performance of sodium metal batteries. FEC forms a passivation layer that inhibits side reactions between DOL and the Na metal, reducing interfacial resistance and improving battery overall performance.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalJournal of Energy Chemistry·DateNov 1, 2022

ASU launches new quantum research collaborative

The Arizona State University's Quantum Collaborative is a major initiative promoting understanding of advanced quantum technology and forging partnerships to advance it. The collaborative aims to develop a robust talent pipeline for a quantum-enabled economy through certifications, upskilling opportunities, and modified degree programs.

SourceArizona State University·DateNov 1, 2022
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.

Researchers assess barriers to advanced epilepsy care in New Jersey

Researchers found that structural racism and insurance barriers limit access to advanced epilepsy care for minority groups in New Jersey. Black patients with private insurance and Medicaid had the lowest EMU admission rates relative to emergency room visits.

SourceRutgers University·JournalEpilepsy & Behavior·TypeData/statistical analysis·DateNov 1, 2022

Birth cohort study reveals the mental health burden of trauma in childhood

A major birth cohort study reveals that children exposed to traumatic events, such as witnessing death or serious injury, are almost twice as likely to develop psychiatric disorders. By age 11, over a third of the children had been exposed to trauma, associated with a wide range of mental health problems.

SourceUniversity of Bath·JournalThe Lancet Psychiatry·TypeMeta-analysis·DateNov 1, 2022
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.

New nanoparticle-based sensors can measure residual herbicides in food

Researchers at Washington State University developed a new method to measure residual herbicides in fruits, vegetables, and their products using nanoparticles. The test is sensitive enough to detect chemicals down to maximum acceptable levels and is validated using traditional testing methods.

SourceWashington State University·JournalFood Chemistry·TypeExperimental study·DateNov 1, 2022

Appendiceal cancer gets its own preclinical model

Researchers have developed a preclinical model of appendiceal cancer, which accurately recapitulates the disease's cell mix and behavior. The organotypic slice culture model offers promising new avenues for studying the pathobiology of this rare tumor and testing potential treatments.

SourceUniversity of California - San Diego·JournalClinical Cancer Research·DateNov 1, 2022

Making glioblastoma more vulnerable to treatment

Researchers found that reducing SAMHD1 levels made brain tumor cells sensitive to chemotherapy drugs and slowed cell growth. They also suspect that glioblastoma alters SAMHD1's function to aid its own survival and treatment resistance.

SourceMedical College of Georgia at Augusta University·JournalCancers·DateNov 1, 2022

Extraction of bouton-like structures from neuropil calcium imaging data

Researchers developed an algorithm to extract bouton-like structures from calcium imaging data, identifying synchronized synapses during fictive locomotion. PQ-clustering outperformed other algorithms in mimicking synaptic activity patterns.

SourceThe University of Electro-Communications·JournalNeural Networks·TypeImaging analysis·DateNov 1, 2022
Apple iPhone 17 Pro

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

Model shows where women lost access to abortion after Dobbs

A recent study shows that a third of American women now face excessive travel times to obtain an abortion, with residents in the South facing the biggest jump. The share of women traveling over an hour for care has doubled, exceeding the US government benchmark for reasonable access to primary care. Black and indigenous women are dispr...

SourceUniversity of California - San Francisco·JournalJournal of the American Medical Association·DateNov 1, 2022

New international research reveals majority of gig economy workers feel under threat from review websites

A majority of gig economy workers report feeling threatened by online reviews, which can negatively impact their earnings. The study found that algorithms used to rank workers are opaque and volatile, leaving workers vulnerable to malicious customers. This 'reputational insecurity' is creating instability in the workforce, with some wo...

SourceUniversity of Bristol·JournalSociology·DateNov 1, 2022

Youngest girls who get pregnant have highest risk of poor outcomes, study finds

A new study by University of Maryland School of Medicine researchers found that girls aged 13 or younger who get pregnant have significantly higher risks of preterm birth, cesarean delivery, and ICU admission compared to older pregnant teens. These young girls experience increased health complications due to their age.

SourceUniversity of Maryland School of Medicine·JournalJAMA·TypeRandomized controlled/clinical trial·DateNov 1, 2022
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.

Inequality linked to differences in kids’ brain connections

A large study of over 5,800 tween children found that growing up in a socioeconomically disadvantaged household can have lasting effects on brain development, with different patterns of connections between brain regions observed. Parental education emerged as the most significant factor associated with variations in brain connections.

SourceMichigan Medicine - University of Michigan·JournalDevelopmental Cognitive Neuroscience·TypeImaging analysis·DateNov 1, 2022

Water for drinking? Nope, water for batteries

Researchers at POSTECH developed a stable aqueous zinc-ion battery that uses water as an electrolyte, reducing the risk of fires and explosions. The new battery features a protective polymer layer to prevent electrode corrosion and increase stability.

SourcePohang University of Science & Technology (POSTECH)·JournalCell Reports Physical Science·DateNov 1, 2022

Glowing fossils: Fluorescence reveals colour patterns of earliest scallops

Researchers at Göttingen University have found fluorescent color patterns in fossils from the Triassic period, making them the oldest of their kind. The study reveals a surprising variety of stripes, zigzags, and flame patterns, similar to those of modern seashells.

SourceUniversity of Göttingen·JournalPalaeontology·TypeObservational study·DateNov 1, 2022
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.

"Canaries on the Coast" - How coastal embayments increase hypoxia risk

Researchers found coastal embayments experience episodic hypoxic events and increased hypoxic conditions compared to open coastline. These areas are likely to be impacted by climate change and ecosystem changes.

SourceCalifornia Polytechnic State University·JournalEstuarine Coastal and Shelf Science·TypeCommentary/editorial·DateNov 1, 2022

Pancreatic cancer could be diagnosed up to three years earlier

Weight loss and increasing blood glucose levels are early indicators of pancreatic cancer, potentially leading to a more timely diagnosis. Researchers analyzed data from 8,777 patients diagnosed with pancreatic cancer and found that these symptoms could be detected two years before an official diagnosis.

SourceUniversity of Surrey·JournalPLOS ONE·DateNov 1, 2022

Common sedative can increase risk of heart damage when used at night

Researchers at CU Anschutz Medical Campus found that administering midazolam increases the risk of myocardial injury in non-cardiac surgery performed at night. The timing of drug administration can affect its efficacy and increase the risk of heart damage, suggesting a need to reevaluate treatment strategies.

SourceUniversity of Colorado Anschutz Medical Campus·JournalFrontiers in Cardiovascular Medicine·TypeObservational study·DateNov 1, 2022

Obesity at MS diagnosis linked to higher current and subsequent levels of disability

Research published in Journal of Neurology Neurosurgery & Psychiatry found that obesity at MS diagnosis is associated with higher current and subsequent levels of disability. Reverting to a healthy weight may improve clinical outcomes for obese patients with MS, suggesting a modifiable risk factor.

SourceBMJ Group·JournalJournal of Neurology Neurosurgery & Psychiatry·TypeObservational study·DateNov 1, 2022

Researchers find a gut-brain connection for social development

Zebrafish studies reveal a key role of gut microbes in shaping brain circuits responsible for social behavior. The findings suggest a possible translation to mice and humans, offering new insights into neurodevelopmental disorders such as autism spectrum disorder.

SourceUniversity of Oregon·JournalPLOS Biology·DateNov 1, 2022
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.

500 million year-old fossils reveal answer to evolutionary riddle

Scientists have discovered exceptionally well-preserved fossils in China that date back 514 million years, revealing the first animals to build hard and robust skeletons. The fossils show features characteristic of modern jellyfish and cnidarians, including a tubular structure made of calcium phosphate.

SourceUniversity of Oxford·JournalProceedings of the Royal Society B Biological Sciences·DateNov 1, 2022

TikTok perpetuates toxic diet culture among teens and young adults

A new study from the University of Vermont found that TikTok's most viewed content on food, nutrition, and weight promotes a toxic diet culture, with weight loss and thinness glorified. The study highlights the need for critical thinking skills and a radical rethinking of how we relate to our bodies, food, and health.

SourceUniversity of Vermont·JournalPLOS ONE·TypeContent analysis·DateNov 1, 2022

Solving the dopamine riddle: New study pinpoints genetic mechanism linking brain chemical to schizophrenia

Researchers at the Lieber Institute for Brain Development have found that neuronal cells are unable to precisely control levels of dopamine, leading to a genetic mechanism that controls dopamine flow. This study confirms that dopamine is a causative factor in schizophrenia, shedding light on a long-held hypothesis.

SourceLieber Institute for Brain Development·JournalNature Neuroscience·DateNov 1, 2022
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.

NIH study in mice provides insight into how brain activity is fine-tuned

Researchers discovered a new daily rhythm in inhibitory synapses, which rebalance brain activity to consolidate new information into long-lasting memories during sleep. The study suggests that wakefulness strengthens inhibitory synapses, enhancing memory formation.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalPLOS Biology·TypeExperimental study·DateNov 1, 2022

Better understanding of the development of intestinal diseases

The study reveals that the small intestinal microbiome is unstable and changes in response to diet, but certain species persist and adapt through subspecies changes. The findings have important implications for understanding intestinal diseases such as celiac disease and Crohn's disease.

SourceUniversity of Bern·JournalCell Host & Microbe·DateNov 1, 2022

Cedars-Sinai awarded $8 million to launch new stem cell clinic

The Alpha Stem Cell Clinic will develop preclinical studies into early and later phase clinical trials with the goal of establishing advanced regenerative medicine treatments. The clinic will also foster greater collaboration with eight similar clinics across the state and educate the public about stem cell and related therapies.

SourceCedars-Sinai Medical Center·DateNov 1, 2022
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.

Enlightened route to wireless communications

KAUST researchers have designed a smart glass system that can encode data into the light passing through it, allowing for wireless data transmission. The system uses polarization manipulation to eliminate flicker problems and can transmit data at rates of up to 16 Kilobits per second.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalIEEE Photonics Journal·DateNov 1, 2022

Digital twin intelligent system for industrial internet of things-based big data management and analysis in cloud environments

A novel cloud-based framework is proposed to manage and analyze industrial IoT data in cloud environments, optimizing energy consumption through reinforcement learning. The system aims to provide an energy-efficient and secure environment for industries such as healthcare and education.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalVirtual Reality·DateNov 1, 2022

Deep learning underlies geographic dataset used in hurricane response

The US Department of Energy's Oak Ridge National Laboratory has developed a massive geographic dataset, USA Structures, using deep learning to forecast potential damage and accelerate emergency response. The dataset provides critical information on building outlines and attributes, enabling FEMA to prioritize response efforts.

SourceDOE/Oak Ridge National Laboratory·DateNov 1, 2022
Celestron NexStar 8SE Computerized Telescope

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

A cooler approach to making new materials that can stand the heat

Lehigh University researchers have developed a new fabrication method for high-entropy alloys that can operate in extreme temperatures. The process uses lower temperatures and a different reaction route to achieve a more homogenous microstructure, potentially leading to the development of more efficient materials for aerospace and indu...

SourceLehigh University·DateNov 1, 2022

Estimated deaths attributable to excessive alcohol use among US adults

A cross-sectional study found that excessive alcohol use was responsible for an estimated 1 in 8 total deaths among US adults ages 20-64. Increasing evidence-based alcohol policies, such as higher taxes and regulation of outlet density, could significantly reduce premature deaths.

SourceJAMA Network·JournalJAMA Network Open·DateNov 1, 2022

Root of triple negative breast cancer immunosuppression and chemoresistance revealed

A study reveals that interleukin 34 (IL-34) modulates the balance between two myeloid-derived suppressor cell populations, leading to immunosuppression and chemoresistance in triple-negative breast cancer. Neutralizing IL-34 with a drug reduces tumor growth and susceptibility to chemotherapy.

SourceHokkaido University·JournalCancer Immunology Immunotherapy·TypeExperimental study·DateNov 1, 2022
Fluke 87V Industrial Digital Multimeter

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

Harvard Public Health/Political ideology and COVID-19 health outcomes

A new study from Harvard T.H. Chan School of Public Health found that higher exposure to political conservatism is associated with higher COVID-19 mortality rates and increased stress on hospital intensive care unit (ICU) capacity. The study examined data from all 435 U.S. Congressional districts between April 2021 and March 2022.

SourceHarvard T.H. Chan School of Public Health·JournalThe Lancet Regional Health - Americas·TypeObservational study·DateNov 1, 2022

Protein kinase CK2 has key role in killer T cells during infection by Listeria monocytogenes

The study found that protein kinase CK2 plays a key role in regulating CD8+ T cell activation, metabolic reprogramming and differentiation during infection by the intracellular pathogen Listeria monocytogenes. In mouse models, deletion of the CK2α catalytic subunit impaired CD8+ T cell function.

SourceUniversity of Alabama at Birmingham·JournalThe Journal of Immunology·TypeExperimental study·DateNov 1, 2022

Rare human intestinal disorder is due to reduction in protein synthesis

Researchers discovered a link between reduced protein synthesis and Feingold syndrome type 1, a rare genetic disorder. The study suggests that a nutritional supplement may help reverse this decrease, potentially alleviating intestinal symptoms in patients with the condition.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 1, 2022

Bats protect young trees from insect damage, with three times fewer bugs

A new study found that bats play a crucial role in protecting young tree seedlings from insect damage, with three times fewer bugs and five times more defoliation when bats are absent. The research reveals a mutually beneficial relationship between bats and oak trees, with bats serving as a key predator for insects that harm the trees.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalEcology·DateNov 1, 2022
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.

Gut bacteria are essential for development of social behavior in fish

Germ-free zebrafish larvae have altered neural connections due to reduced microglia pruning by immune cells. Reintroducing normal microbiota restores normal development and social behavior. Microorganisms stimulate microglial activity, promoting neural connection remodeling.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateNov 1, 2022

Habitat mapping data can fill gaps in knowledge on biodiversity

A study analyzing historic habitat mapping data in Hamburg found a decline of species-rich habitats due to urbanization, while also revealing the colonization efforts of certain plant species. The research highlights the potential of these datasets for biodiversity research, with trends observed across Germany and Europe.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalEcosphere·DateNov 1, 2022
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.

Protein disulfide isomerase regulates radio sensitivity by mitophagy

Researchers found that protein disulfide isomerase (PDI) regulates radio sensitivity through mitophagy, promoting tumor growth and metastasis. PDI inhibits mitophagy signaling by blocking the interaction of LC3II-PHB2, leading to increased mTOR pathway activation.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalCell Death and Disease·DateNov 1, 2022

Dartmouth study offers new insights into genetic mutations in autism disorders and points to possible treatments

A Dartmouth study reveals that disruptions in the mTORC1 pathway can rescue neuronal overgrowth and synapse function dysregulated by Pten loss, potentially offering new treatments for autism spectrum disorders. The research team also found that administering Rapamycin to children showed some benefit to symptoms of autism.

SourceThe Geisel School of Medicine at Dartmouth·JournalCell Reports·TypeExperimental study·DateNov 1, 2022

Holographic microscopy provides insights into the life of microplankton

Researchers can now study microplankton at an individual level using holographic microscopy and AI, gaining a deeper understanding of their movement, growth, reproduction, and interactions. This breakthrough provides new insights into the ocean's oxygen production and carbon cycle.

SourceUniversity of Gothenburg·JournaleLife·TypeComputational simulation/modeling·DateNov 1, 2022

Physics of disaster: How mudslides move

A team led by Douglas Jerolmack and Paulo Arratia used laboratory experiments to understand how mudslide failure and flow behavior relates to soil material properties. They found a clear signal in 'dirty' samples using high-tech rheometers, shedding light on the tipping point for slope liquefaction.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 1, 2022
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.