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Science News Archive 2022 - Page 131


Page 131 of 448

Training a skilled technical workforce

Training programs for science, technology, engineering, and mathematics (STEM) workers are becoming increasingly important to address labor shortages in technical roles. Community colleges and apprenticeships are partnering with regional companies to provide career opportunities for aspiring chemists.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateSep 14, 2022

International study led by Singapore scientists discovers bacteria previously thought harmless can worsen existing lung disease

A study led by Singapore scientists found that Neisseria, a genus of bacteria once considered harmless, can cause infections in patients with bronchiectasis, asthma, and COPD. The research team identified a specific subgroup of Neisseria called N. subflava as the main culprit behind worsening disease outcomes.

SourceNanyang Technological University·JournalCell Host & Microbe·TypeExperimental study·DateSep 14, 2022

Cancer mortality rates correlate to geography as well as known behavioral risk factors

New research reveals dramatic variations in cancer mortality across the US, highlighting the importance of considering location-based risk factors for public health interventions. The study finds that certain behavioral risk factors, such as obesity and smoking, have varying levels of impact depending on geographic region.

SourceCase Western Reserve University·JournalJAMA Network Open·TypeData/statistical analysis·DateSep 14, 2022

Researchers combine data science and machine learning techniques to improve traditional MRI image reconstruction

University of Minnesota scientists have developed a method to fine-tune traditional compressed sensing for high-quality images using modern data science tools and machine learning ideas. This approach closes the gap between traditional and deep learning methods, providing a new direction for MRI reconstruction research.

SourceUniversity of Minnesota·JournalProceedings of the National Academy of Sciences·DateSep 14, 2022

Air pollution may spur irregular heart rhythms in healthy teens

A new study published in the Journal of the American Heart Association found that air pollution may trigger irregular heart rhythms in healthy teenagers, with exposure causing arrhythmias to occur within two hours. The research analyzed data from over 300 adolescents and found a significant impact of fine particulate matter on cardiac ...

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateSep 14, 2022

High cholesterol leads to long-term liver scarring and immune cell dysfunction in lab study

A lab study found that high cholesterol intake worsens fatty liver disease progression by driving inflammation and scarring. The researchers also discovered long-lasting dysfunction in immune cells responsible for fighting liver damage. Moderation is key to maintaining a healthy diet, according to the study's findings.

SourceKeck School of Medicine of USC·JournalFrontiers in Immunology·TypeExperimental study·DateSep 14, 2022

Discovered key mechanisms to improve intestinal regeneration and alleviate the side effects of radiotherapy

Researchers have discovered a cellular and molecular mechanism essential for intestinal epithelial regeneration. Progenitor cells modulate the production of mitogenic factors, controlling intestinal stem cell proliferation and tissue regeneration. This finding breaks new ground in research into counteracting radiotherapy side effects.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalJournal of Experimental Medicine·TypeExperimental study·DateSep 14, 2022

‘Years of life lost’ to unintentional drug overdose in adolescents spikes during pandemic

The COVID-19 pandemic has seen a significant increase in years of life lost to unintentional drug overdose among adolescents, with synthetic opioids like fentanyl contributing to the rising trend. Researchers found that mortality due to unintentional overdose in adolescents reached an all-time high in 2020.

SourceOhio State University Wexner Medical Center·JournalJournal of Adolescent Health·DateSep 13, 2022

‘Glass bubble’ nanocarrier boosts effects of combination therapy for pancreatic cancer

Researchers at California NanoSystems Institute developed a nanocarrier that delivers a combination therapy to pancreatic tumors using irinotecan and 3M-052, resulting in improved treatment outcomes and reduced side effects. The simultaneous delivery of the two drugs outperformed separate treatments in mouse models.

SourceCalifornia NanoSystems Institute·JournalACS Nano·TypeExperimental study·DateSep 13, 2022

Personalized prediction of depression treatment outcomes with wearables

Researchers developed a unified machine learning model that analyzes data from patients with and without treatment, predicting depression outcomes better than separate models. The approach enables personalized medicine by designing treatment plans specific to each patient's needs.

SourceWashington University in St. Louis·JournalProceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies·TypeRandomized controlled/clinical trial·DateSep 13, 2022

WPI researchers receive new funding for sustainable concrete substitute

Researchers aim to improve and expand Enzymatic Construction Material (ECM), a sustainable alternative to traditional concrete that can repair cracks and reduce greenhouse gas emissions. The grant will also support programs to inspire girls' interests in engineering and construction, addressing the industry's gender gap.

SourceWorcester Polytechnic Institute·JournalCell Reports Physical Science·TypeExperimental study·DateSep 13, 2022

Healthcare researchers must be wary of misusing AI

Healthcare researchers caution against misusing AI algorithms in clinical research, highlighting concerns about bias, transparency, and data quality. The team advocates for evaluating ML methods against traditional statistical approaches and ensuring clinician decision-making is complemented, not replaced.

SourceDuke-NUS Medical School·JournalNature Medicine·TypeCommentary/editorial·DateSep 13, 2022

COVID-19 amplified hardship for many Harvey victims

A recent study by Rice University, Notre Dame, and Environmental Defense Fund reveals that COVID-19 exacerbated the economic and mental health consequences of Hurricane Harvey. The research, which analyzed data from over 3,000 participants, found a distinct distinction between acute effects and secondary stressors.

SourceRice University·JournalEnvironmental Research·TypeSurvey·DateSep 13, 2022

The blood stem cell research that could change medicine of the future

Researchers at UNSW Sydney have made significant discoveries about embryonic blood stem cell creation that could one day eliminate the need for blood stem cell donors. Two studies have emerged from UNSW researchers in this area that shine new light on how precursors to blood stem cells occur in animals and humans, and how they may be i...

SourceUniversity of New South Wales·JournalCell Reports·TypeExperimental study·DateSep 13, 2022

Interviewers show racial bias when reporting survey respondents’ political knowledge

A new study by Georgia State University researcher Judd Thornton finds that interviewers' assessments of respondent political knowledge are more closely correlated with interviewer race than factual accuracy. This bias affects Black respondents, who are rated as less knowledgeable even when controlling for objective performance. The re...

SourceGeorgia State University·JournalThe Journal of Race Ethnicity and Politics·TypeData/statistical analysis·DateSep 13, 2022

Scientists have created a mathematical model for the dynamics of nanoparticles and viruses in cells

A team of scientists from Ural Federal University has developed a complex mathematical model to understand the dynamics of nanoparticles and viruses in cells. The model reveals how viruses cluster inside endosomes and interact with cellular proteins, shedding light on their behavior and replication mechanisms. This breakthrough can hel...

SourceUral Federal University·JournalCrystals·DateSep 13, 2022

New method to identify symmetries in data using Bayesian statistics

Researchers from Osaka Metropolitan University developed a new method to identify symmetries in multi-dimensional data using Bayesian statistics. This approach allows for the derivation of exact integral formulas and an efficient algorithm for searching symmetries, reducing parameters and samples required for genetic analysis.

SourceOsaka Metropolitan University·JournalThe Annals of Statistics·TypeComputational simulation/modeling·DateSep 13, 2022

Nanorattles shake up new possibilities for disease detection

Researchers at Duke University developed nanorattles that amplify signals from separate biomarkers, allowing for accurate detection of head and neck cancers without biopsies. The technology uses machine learning algorithms to tease apart multiple biomarker signals, making it possible to target multiple diseases simultaneously.

SourceDuke University·JournalJournal of Raman Spectroscopy·TypeExperimental study·DateSep 13, 2022

Insects struggle to adjust to extreme temperatures making them vulnerable to climate change, study finds

Researchers found that insects have a weak ability to acclimate to high temperatures, with only small compensations of 10-15°C. Juvenile insects show greater resilience, but this may be limited to specific critical periods. The study highlights the need for further research on insect responses to climate change.

SourceUniversity of Bristol·JournalNature Communications·TypeMeta-analysis·DateSep 13, 2022

US presidential narcissism linked to longer wars

A new study by Ohio State University researchers found that US presidents who scored high on a measure of narcissism spent an average of 613 days at war, compared to 136 days for those below average. Narcissistic leaders tend to extend wars to declare victory and maintain their self-image.

SourceOhio State University·JournalJournal of Conflict Resolution·TypeData/statistical analysis·DateSep 13, 2022

Oregon State researchers develop messenger RNA therapy for ovarian cancer, muscle wasting

Researchers at Oregon State University have developed a promising messenger RNA therapy for ovarian cancer, which also shows promise in treating cachexia, a muscle-wasting condition associated with cancer. The treatment uses lipid nanoparticles to deliver mRNA that triggers the production of the follistatin protein within cancer clusters.

SourceOregon State University·JournalSmall·TypeExperimental study·DateSep 13, 2022

Targeted travel restrictions fail to halt spread of COVID-19

A study in the Netherlands found that restricting flights from countries where COVID-19 variants of concern emerge is not enough to halt their spread. The researchers analyzed nearly 40,000 genome sequences and found that all four VOCs had already been introduced into the country by the time flight restrictions were implemented.

SourceeLife·JournaleLife·DateSep 13, 2022