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Science News Archive November 2022 - Page 30


Page 30 of 39

Type 1 diabetes: The increased prevalence of metabolic imbalances in children during the COVID-19 Pandemic points to an unsolved problem with the early diagnosis of diabetes

A global study found a significant increase in diabetic ketoacidosis cases among children diagnosed with type 1 diabetes during the COVID-19 pandemic. The observed prevalence was significantly higher than predicted, highlighting the need for better public awareness and screening programs.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalThe Lancet Diabetes & Endocrinology·TypeObservational study·DateNov 7, 2022

Microplastic pollution threats the world’s coastal lagoons

A study found high concentrations of microplastics in protected areas like Florida Bay, highlighting the need for effective waste management. Coastal lagoons with slow water turnover rates are particularly susceptible to microplastic pollution, posing risks to fish fauna and other organisms.

SourceUniversity of Barcelona·JournalEnvironmental Pollution·TypeLiterature review·DateNov 7, 2022

Shedding light on the superconductivity of newly-discovered kagome metals

Researchers reveal insights into the properties of AV3Sb5, a recently discovered family of superconductors, and find that symmetry breaking accompanies the charge-density wave order. The study provides new understanding of time-reversal symmetry breaking in these materials.

SourceUniversity of Pennsylvania·JournalNature Physics·TypeObservational study·DateNov 7, 2022
Meta Quest 3 512GB

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

Rare fossil clam discovered alive

A small clam previously known only from fossils has been found living in the tidepools of Naples Point, California. Researchers identified the species as a new find after comparing fossil records and specimens.

SourceUniversity of California - Santa Barbara·JournalZooKeys·DateNov 7, 2022

Seeing clearly into a new realm – researchers prototype a new generation of quantum microscopy

A team of researchers has developed a prototype of a quantum microscope that can see electric currents, detect fluctuating magnetic fields, and even see single molecules on a surface. The microscope uses atomic impurities and van der Waals materials to achieve high resolution sensitivity and simultaneous imaging of magnetic fields and ...

SourceUniversity of Technology Sydney·JournalNature Physics·TypeExperimental study·DateNov 7, 2022

Which COVID vaccine you get can impact myocarditis risk

A study found that males younger than 40 years old who received the Moderna COVID-19 vaccine had the highest rates of myocarditis, but overall cases are rare. The study suggests that choosing specific vaccines for certain populations may maximize benefits and minimize adverse events.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateNov 7, 2022
Apple iPhone 17 Pro

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

New insights into the processing of hormones in the human gut

New insights into the processing of hormones in the human gut reveal dozens of peptides regulating appetite, bowel movement, and insulin secretion. By studying human intestinal organoids, researchers characterized potentially novel gut hormones, including glucagon, and explored its role in human physiology.

SourceHubrecht Institute·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 7, 2022

Summer camps promote altruism in children

A UNIGE team found an increase in altruism among children returning from summer camps, compared to those who did not participate. These results suggest that holiday camps can be a valuable tool for developing socio-emotional abilities in children.

SourceUniversité de Genève·JournalPLOS ONE·TypeNews article·DateNov 7, 2022

Adverse pregnancy outcomes in women with inactive inflammatory bowel disease

A study by the University of Gothenburg found that women with inactive inflammatory bowel disease (IBD) have a higher risk of giving birth prematurely, particularly if they have microscopic inflammation in their intestinal mucosa. This association was not seen for other adverse pregnancy outcomes, such as growth restriction.

SourceUniversity of Gothenburg·JournalEClinicalMedicine·TypeData/statistical analysis·DateNov 7, 2022

New quasiparticle discovered in moiré patterns

Scientists developed a novel exciton with intralayer charge-transfer characteristics in a moiré superlattice, exceeding conventional parameterized models. The discovery has potential applications in optical sensors and communication technology.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalNature·TypeComputational simulation/modeling·DateNov 7, 2022
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.

How dangerous is digital media for democracy?

A systematic review of digital media's effects on democracy found both positive and negative impacts, depending on the political context. Digital media can increase political knowledge and diversity of news exposure, but also foster polarization and populism in established democracies.

SourceMax Planck Institute for Human Development·JournalNature Human Behaviour·TypeSystematic review·DateNov 7, 2022

Study confirms that processed foods key to rising obesity

A large-scale Australian study found that highly processed and refined foods are the primary contributor to rising obesity rates. The 'Protein Leverage Hypothesis' suggests that people overeat fats and carbohydrates due to their strong appetite for protein, leading to an increased risk of chronic disease.

SourceUniversity of Sydney·JournalObesity·DateNov 7, 2022

Study differentiating function of two immune cells could improve vaccine design

A study published in Science Immunology clarifies the function of tissue-resident memory T cells (Trm cells) in protecting against infection and cancer. Researchers found that CD103+ Trm cells play a less critical role, while CD103- cells are more effective in attacking bacteria upon reinfection.

SourceRutgers University·JournalScience Immunology·TypeExperimental study·DateNov 7, 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.

Beyond binary bits: Research grant funds exploration of quantum technologies

A research team at Kennesaw State University, led by Assistant Professor Tu Nguyen, has received a $600,000 grant to explore quantum technologies for computing and networking. The project aims to create a new type of computing and networking system that can solve problems faster and more securely than current systems.

SourceKennesaw State University·DateNov 7, 2022

Von Fricken receives funding for study aimed at determining threat of detection-resistant malaria & arboviruses in Haiti

Michael E. von Fricken, an Associate Professor at George Mason University, has received $78,999 from the U.S. Department of the Navy for a project to determine the threat of detection-resistant malaria and arboviruses in Haiti. The study aims to develop sampling approaches, analyze findings, and generate reports documenting progress.

SourceGeorge Mason University·DateNov 7, 2022

Willingness to use video telehealth increased during pandemic

The study found that the willingness to use video telehealth increased overall from 51% in February 2019 to 62% in March 2021. Subgroups with the lowest levels of willingness, such as Black adults and adults with less than a high school education, saw significant increases in their willingness to use video telehealth.

SourceRAND Corporation·JournalHealth Affairs·TypeSurvey·DateNov 7, 2022

Exercise helps against insulin resistance in the brain

A recent study shows that eight weeks of exercise can restore the brain's insulin sensitivity in severely overweight adults, leading to improved metabolism and reduced visceral fat. This opens up new therapeutic possibilities for reducing obesity and diabetes risk factors.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalJCI Insight·TypeObservational study·DateNov 7, 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.

Our brains “time-stamp” sounds to process the words we hear

A new study by NYU researchers reveals that our brains use a 'time-stamp' mechanism to process the order of incoming sounds, allowing us to correctly recognize words being said. The brain achieves this feat by correlating different neural populations with specific speech sounds and time-stamping each sound with its relative order.

SourceNew York University·JournalNature Communications·TypeExperimental study·DateNov 7, 2022

Americans more likely to share COVID-19 misinformation online: SFU study

A Simon Fraser University study found that Americans are more likely to share COVID-19 misinformation online compared to four other English-speaking countries. The polarized political landscape and populist attitudes in the US contributed to this phenomenon.

SourceSimon Fraser University·JournalJournal of Quantitative Description Digital Media·TypeSurvey·DateNov 7, 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.

Fearful cats also express other problematic behaviour – Socialisation important already at early stages of life

A study found that fearful cats tend to display excessive grooming and aggression towards humans. Early socialization with humans is crucial in reducing fearfulness and related behavioral issues in cats. The research also discovered a correlation between litterbox issues and aggressive behavior in households with multiple cats.

SourceUniversity of Helsinki·JournaliScience·TypeSurvey·DateNov 7, 2022

Starved yeast poisons clones

Researchers at the University of Tokyo discovered that yeast releases toxins to kill its own clones and surrounding microorganisms when starved of glucose, a phenomenon called latecomer killing. This behavior helps yeast survive mass starvation and aids in the selection of toxin-producing offspring.

SourceUniversity of Tokyo·JournalPLOS Biology·TypeExperimental study·DateNov 7, 2022

UCalgary study points to potential new treatment for inflammatory bowel diseases

Researchers at UCalgary have discovered a potential new treatment for fibrosis, a condition that causes thickening of the gut wall and life-threatening blockage in people with Crohn's disease and ulcerative colitis. The study suggests that drugs targeting specific sensors may prevent inflammation-associated gut blockage.

SourceUniversity of Calgary·JournalCellular and Molecular Gastroenterology and Hepatology·TypeExperimental study·DateNov 7, 2022

Automatic speaker recognition technology outperforms human listeners in the courtroom - new research

A comprehensive study compared the accuracy of human speaker identification with that of an automatic-speaker-recognition system. The forensic-voice-comparison system performed better than all tested listeners, including judges and jurors. This finding has significant implications for courtroom proceedings.

SourceAston University·JournalForensic Science International·TypeExperimental study·DateNov 7, 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.

New theory explains recovery delays in COVID-19 and cardiac patients

Researchers propose that delayed recoveries in COVID-19 patients may be due to a protective response from their brains, similar to those seen in animals exposed to extreme conditions. This theory could lead to new approaches for ICU sedation and recovery from disorders of consciousness.

SourceWeill Cornell Medicine·JournalProceedings of the National Academy of Sciences·DateNov 7, 2022

Smell words differ primarily in terms of pleasantness and edibility

Researchers at Stockholm University developed a fully automatic method to categorize English smell words into offensive, malodorous, fragrant, and edible smells. The study's findings have great potential for standardizing vocabularies in the food and perfume industries.

SourceStockholm University·JournalCognitive Science·TypeData/statistical analysis·DateNov 7, 2022

Biological lasso: Enhanced drug delivery to the brain

Researchers have developed a novel strategy to induce the effects of growth factors and cytokines with enhanced retention in brain tissues. The 'lasso-grafting' technique enables the design of protein therapeutics with desired stability and controllable pharmacokinetics.

SourceKanazawa University·JournalNature Biomedical Engineering·DateNov 7, 2022
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.

University of Colorado study investigates aggression toward caregivers in Parkinson’s disease patients

A University of Colorado study reveals aggressive behavior towards caregivers is a significant issue in Parkinson's disease, with factors including grief, loss of motor symptoms, and cognitive fluctuations identified as contributing to the problem. The research also highlights the impact on caregivers' mental health and relationships.

SourceUniversity of Colorado Anschutz Medical Campus·JournalMovement Disorders·DateNov 7, 2022

Hazardous flame retardant OPEs detected at higher levels than BFRs at an informal end-of-life vehicle recycling site

Researchers found emerging organophosphate esters (OPEs) at higher concentrations than legacy brominated flame retardants (BFRs) in settled dust from informal end-of-life vehicle recycling sites in Vietnam. Chlorinated OPEs were specifically identified as a major contaminant, possibly released from vehicle upholstery and fabrics.

SourceEhime University·JournalEnvironmental Pollution·DateNov 7, 2022

Nicotine addiction, intensity of e-cigarette use by adolescents

A survey study of 151,000 students found that e-cigarette users were more likely to initiate tobacco use within minutes of waking. This increase in intensity and addiction is a concern, emphasizing the need for clinicians to address youth nicotine addiction during clinical encounters.

SourceJAMA Network·JournalJAMA Network Open·DateNov 7, 2022

The secret to the skillful skydiving of wingless springtails

Researchers at Georgia Tech discovered that wingless springtails control their jump, self-right in midair, and land on their feet due to their unique appendages for jumping and adhesion. This unique posture creates aerodynamic torque, effectively self-righting them within 20 milliseconds.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 7, 2022

Chromosomal testing expands options for exploring causes of SIDS

A genetic test known as chromosomal microarray analysis (CMA) may be able to identify the cause of Sudden Infant Death Syndrome (SIDS) or its counterpart in older children, known as Sudden Unexplained Death in Childhood (SUDC). CMA identified deletions or duplications of DNA segments in 14% of deceased infants and toddlers up to 28 mon...

SourceBoston Children's Hospital·JournalAdvanced Genetics·DateNov 7, 2022
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.

Psychological distress an important, easy-to-measure indicator of cardiovascular risk

A meta-analysis of over 600,000 patients found that psychological distress assessed with brief questionnaires was associated with nearly a 30% greater risk of cardiovascular disease. The screening process can be easy and efficient for healthcare providers without significant psychology training.

SourceBrown University·JournalJournal of Cardiopulmonary Rehabilitation and Prevention·TypeMeta-analysis·DateNov 7, 2022

UQ study explains link between sleep apnea and dementia

Researchers at UQ's Queensland Brain Institute found a causal relationship between lack of oxygen to the brain during sleep and Alzheimer's disease in mice. CPAP treatment for obstructive sleep apnea may prevent cognitive impairment and neuron death, reducing dementia risk.

SourceUniversity of Queensland·JournalNature Communications·TypeExperimental study·DateNov 7, 2022

Entomologists issue warning about effects of climate change on insects

A team of 70 scientists warns that climate change will drastically reduce the ability to build a sustainable future based on healthy ecosystems. Insects face extinction and ecosystem disruption due to global warming and extreme weather events.

SourceUniversity of Maryland·JournalEcological Monographs·TypeSystematic review·DateNov 7, 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.

Study explores sex differences in the effects of SARS-CoV-2 in young adults

Researchers found significant immunological differences mediating sex differences in COVID-19 responses. Infected females had higher rates of symptoms but lower viral loads, with stronger immune response gene expression and molecular signatures.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCell Systems·TypeObservational study·DateNov 7, 2022

Are covid ‘comas’ signs of a protective hibernation state?

Researchers at MIT's Picower Institute suggest that Covid-19 patients in comas may enter a protective hibernation state to shield cells from oxygen scarcity. This hypothesis is supported by observations of cardiac arrest patients treated with hypothermia and the painted turtle, which also enters a similar state during prolonged anoxia.

SourcePicower Institute at MIT·JournalProceedings of the National Academy of Sciences·TypeLiterature review·DateNov 7, 2022

Personalising whole genome sequencing doubles diagnosis of rare diseases

A new study by UCL researchers found that tailoring whole genome sequencing analysis to individual patients can double the diagnostic rates of rare diseases. The personalised approach increased the diagnostic rate from 16.7% to 31.4%, detecting potential disease-causing variants in a further 3.9% of patients.

SourceUniversity College London·JournalNature Communications·TypeExperimental study·DateNov 7, 2022

Understanding rogue waves of the Eastern Mediterranean Sea

A team of researchers led by Francesco Fedele investigated the extreme sea states and potential hazards for ship navigation in the eastern Mediterranean. They developed a novel theory of space-time wave extremes, indicating that rogue waves do not 'steal' energy from neighboring waves.

SourceGeorgia Institute of Technology·JournalScientific Reports·TypeComputational simulation/modeling·DateNov 7, 2022
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.

Why some Latino communities fear the COVID-19 vaccine, and what can be done to help

A new study from Rice University found that Latino communities are hesitant to get vaccinated against COVID-19 due to concerns over side effects and mistrust of health officials. The study, which focused on communities near the U.S.-Mexico border, found that 44% of community health workers reported patients believing vaccines can have ...

SourceRice University·JournalFrontiers in Public Health·TypeSurvey·DateNov 7, 2022

Geobiologists shine new light on Earth’s first known mass extinction event 550 million years ago

A new study by Virginia Tech geobiologists reveals that a major loss of diversity occurred during the Ediacaran Period, resulting in an 80% extinction of animals. The researchers attribute this event to decreased global oxygen availability, suggesting that environmental controls played a role in shaping animal life on Earth.

SourceVirginia Tech·JournalProceedings of NAS RA Earth Sciences·TypeObservational study·DateNov 7, 2022

Sugar molecules as a target in cancer therapy

Researchers report a promising new approach that involves altering sugar molecules on the surface of cancer cells in mice, leading to a significant increase in anti-tumor immune response. The study focuses on sialic acid sugars, which are also present on healthy cells and play a role in cell-to-cell communication.

SourceUniversity of Basel·JournalScience Translational Medicine·DateNov 7, 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.

Managing eczema in babies: five things to know

Eczema affects 10-20% of Canadian infants, making it a common condition to manage. Optimally managing atopic dermatitis in infants is crucial, as it impacts the whole family.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateNov 7, 2022
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.

Study: How piracy can unravel company profits in product bundling

A new study by University of Texas at Dallas researchers found that bundling zero-marginal-cost products can lead to increased piracy and loss of profits. In the presence of piracy, mixed bundling is not necessarily a better strategy, and manufacturers should reassess the efficacy of bundling in markets where piracy is a concern.

SourceUniversity of Texas at Dallas·JournalJournal of Management Information Systems·TypeComputational simulation/modeling·DateNov 7, 2022