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Science News Archive 2022 - Page 54


Page 54 of 448

Han conducting collaborative research on innovating volumetric video streaming with motion forecasting, intelligent upsampling and QoE modeling

Collaborative research team led by George Mason University's Bo Han explores innovative approaches to streaming volumetric videos. The project aims to develop demonstrable systems for multi-dimension, multi-modality motion sensing, deep-learning-based content upsampling, QoE modeling and resource/motion adaptation.

How Covid-19 causes neurological damage

Researchers identified biomarkers that predict severe Covid-19 cases with neurological symptoms, offering potential targets for drug development to prevent consequential damage. They also found a link between impaired blood-brain barrier and excessive immune response.

SourceUniversity of Basel·JournalNature Communications·DateNov 14, 2022

Technion researchers discover unique peptides with anti-cancer potential

Researchers from the Technion and University of Tokyo have discovered cyclic peptides that bind to specific chains of ubiquitin proteins, disrupting DNA repair mechanisms and leading to cell death. This breakthrough could lead to more effective treatments against cancer cells than existing anti-cancer drugs.

SourceTechnion-Israel Institute of Technology·JournalNature Communications·TypeExperimental study·DateNov 14, 2022

Lack of computer access linked to poorer mental health in young people during COVID-19 pandemic

A recent study by University of Cambridge researchers found that lack of computer access led to poorer mental health among young people during the COVID-19 lockdowns. The team's analysis of data from 1,387 10–15-year-olds revealed that those without access to a computer experienced a more significant increase in Total Difficulties scores.

SourceUniversity of Cambridge·JournalScientific Reports·TypeSurvey·DateNov 13, 2022

Revelations from Ryugu: Muon non-destructive analysis unveils true nature of ancient asteroid

Researchers from Osaka University have successfully detected carbon, nitrogen, and oxygen in samples from near-Earth asteroid Ryugu using muon non-destructive analysis. The findings suggest that CI chondrites may be contaminated with terrestrial materials, challenging previous understanding of the solar system's chemical compositions.

SourceOsaka University·JournalScience·TypeObservational study·DateNov 13, 2022

Subtropical clouds key to southern ocean teleconnections to the tropical pacific

A research team at UNIST has identified subtropical low cloud feedback as a key mechanism driving teleconnections between the Southern Ocean and tropical precipitation. Their findings suggest that this impact is stronger than previously thought, with implications for mid-latitude climate predictions.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalProceedings of the National Academy of Sciences·DateNov 13, 2022

More than one-third of insured Massachusetts individuals changed insurance type during the perinatal period

A University of Massachusetts Amherst study found that over 37% of insured Massachusetts residents experienced an insurance transition during the perinatal period. Individuals with Medicaid and Medicaid managed care were more likely to have a transition than those covered by private insurance, suggesting disruptions in continuity of care.

SourceUniversity of Massachusetts Amherst·JournalJAMA Network Open·TypeData/statistical analysis·DateNov 13, 2022

The offshoot of cells visualized in real time

A study at Kanazawa University uses high-speed atomic force microscopy to examine the impact of temperature, pH, and salt levels on small extracellular vesicle structure. The research reveals how sEVs' shape, size, and elasticity change under different conditions, providing valuable insights for nanodrug development.

SourceKanazawa University·JournalJournal of Extracellular Vesicles·DateNov 13, 2022

Anifrolumab shows long-term promise in patients with lupus

Researchers report positive results from the first placebo-controlled trial of anifrolumab, a human monoclonal antibody targeting type I interferon receptor in patients with lupus. Treatment with anifrolumab was well-tolerated and sustained reduction in lupus disease activity.

SourceWiley·JournalArthritis & Rheumatology·DateNov 12, 2022

Oral deucravacitinib benefits patients with lupus

A phase 2 clinical trial has generated promising results for deucravacitinib, an oral inhibitor of tyrosine kinase 2 (TYK2), in patients with active lupus. The study found that patients treated with deucravacitinib experienced significant improvements in disease activity, with response rates ranging from 34% to 58% compared to placebo.

SourceWiley·JournalArthritis & Rheumatology·DateNov 12, 2022

The nose-brain pathway: exploring the role of trigeminal nerves in delivering intranasally administered antidepressant

Researchers developed a novel intranasal delivery system that utilizes the trigeminal nerve to deliver antidepressant drugs to the brain. The system showed efficacy at delivering the same dose as intracerebroventricular administration, highlighting a potential new approach for treating depression and other neurological disorders.

SourceTokyo University of Science·JournalJournal of Controlled Release·TypeExperimental study·DateNov 11, 2022

Researchers unravelling the mystery of extreme waves

Research has found that extreme ocean waves can arise from modulation instability in multi-directional wave systems, challenging previous assumptions. The study demonstrates that crossing sea waves can trigger the formation of extreme waves, posing a growing risk to marine infrastructure and coastal communities due to climate change.

SourceUniversity of Sydney·JournalPhysical Review·TypeExperimental study·DateNov 11, 2022

Magma floods erupt from deeper sources than earlier believed

A new study by University of Helsinki researchers finds that magma floods can form in thick tectonic plates, contradicting the long-held assumption. The research uses geochemical modelling to demonstrate that high-temperature mantle sources can produce magmas with similar trace element compositions as low-pressure conditions.

SourceUniversity of Helsinki·JournalJournal of Petrology·TypeComputational simulation/modeling·DateNov 11, 2022

Attitudes towards corona vaccination among medical and nursing staff

A nationwide survey in Germany found that 82% of medical and nursing personnel were vaccinated at least once, with 75% having received two doses. In contrast to the general population, unvaccinated healthcare workers had stronger concerns about vaccine safety and effectiveness. The study suggests a need for targeted measures to convinc...

SourceDeutsches Aerzteblatt International·JournalDeutsches Ärzteblatt international·TypeData/statistical analysis·DateNov 11, 2022

Probiotic 'backpacks' show promise for treating inflammatory bowel diseases

Researchers at the University of Wisconsin-Madison develop nanoparticles to neutralize molecules implicated in IBD, significantly improving treatment outcomes. The probiotic bacteria are equipped with nano-backpacks that target reactive oxygen species, reducing inflammation and promoting weight gain and colon length restoration.

SourceUniversity of Wisconsin-Madison·JournalScience Advances·TypeExperimental study·DateNov 11, 2022

Machine learning of binary ‘yes / no’ systems may improve medical diagnoses, financial risk analysis, more

Researchers developed a method to learn complex Boolean systems, enabling faster and more accurate diagnoses of urinary diseases, cardiac conditions, and financial risks. The technique uses optimal causation entropy to narrow down correct solutions and turn complex diagnostic processes into decision trees.

SourceEmbry-Riddle Aeronautical University·JournalPatterns·TypeData/statistical analysis·DateNov 11, 2022

Case study proposes framework for analyzing U.S.-China geo-political tensions in Indo-Pacific

Experts at Hiroshima University propose a new framework for studying the complex power dynamics between China and the US in the Indo-Pacific. The 'hybrid balancing' concept aims to better understand how China uses its social and economic influence to maintain favorable trade conditions while also quelling liberal Western cultural ideals.

SourceHiroshima University·JournalInternational Affairs·DateNov 11, 2022

Negligible climatic impact of the recent methane leak from the Nord Stream pipelines

Researchers estimate that the leaked methane from Nord Stream pipelines would raise atmospheric CO2 concentration by only 0.0026 ppm over 20 years. This tiny warming is imperceptible in ecosystems and human society, but highlights the need to control and reduce methane emissions to achieve global warming targets.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateNov 11, 2022

Researchers learn to engineer growth of crystalline materials consisting of nanometer-size gold clusters

Researchers in Singapore, Saudi Arabia, and Finland achieved first insights into engineering crystal growth by atomically precise metal nanoclusters. They synthesized gold clusters consisting of 25 atoms, regulating their size and concentration to form well-defined crystals with unique morphology.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalNature Chemistry·TypeExperimental study·DateNov 11, 2022

Chung-Ang University researchers develop a meta-reinforcement learning algorithm for traffic signal control

The study developed an extended deep Q-network (EDQN)-incorporated context-based meta-RL model that can autonomously detect traffic states, classify regimes, and assign signal phases. The model outperformed existing algorithms in simulation experiments and showed adaptability to new tasks without adjusting parameters.

SourceChung Ang University·JournalComputer-Aided Civil and Infrastructure Engineering·TypeComputational simulation/modeling·DateNov 11, 2022

Climate change attribution of the 2021 Henan extreme precipitation: Impacts of convective organization

A study attributes the 2021 Henan extreme precipitation to climate change and convective organization, highlighting its impact on regional and station-scale extremes. The research uses a conditional storyline attribution method and column quasi-geostrophic modeling framework, showing that warming over the past century has significantly...

SourceScience China Press·JournalScience China Earth Sciences·DateNov 11, 2022

Alzheimer's disease can be diagnosed before symptoms emerge

Researchers at Lund University have discovered that people with Alzheimer's disease can be identified before symptoms appear, using PET scans to visualize tau and amyloid proteins in the brain. Participants found to have these biomarkers were at a 20-40 times higher risk of developing cognitive decline in the next few years.

SourceLund University·JournalNature Medicine·DateNov 11, 2022