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Science News Archive 2022 - Page 47


Page 47 of 448

Trial by wind: Testing the heat resistance of carbon fiber-reinforced ultra-high-temperature ceramic matrix composites

The study investigates the degradation of carbon fiber-reinforced ultra-high-temperature ceramic matrix composites at temperatures above 2000°C. The results show that the amount of zirconium in the alloy affects the composite's oxidation resistance, and modifying the matrix composition is necessary to prevent degradation.

SourceTokyo University of Science·JournalJournal of Materials Science·TypeExperimental study·DateNov 17, 2022

Women with benign breast disease face higher risk of breast cancer in the long term

A large observational study found that women diagnosed with benign breast disease through screening are at a higher risk of developing breast cancer in the long term. The risk persisted for at least two decades and was found to be significantly higher among women with benign breast disease compared to those without.

SourceEuropean Organisation for Research and Treatment of Cancer·JournalInternational Journal of Environmental Research and Public Health·TypeObservational study·DateNov 17, 2022

Offshore wind farms may harm seabirds, but scientists see potential for net positive impact

A new study presents a comprehensive framework for assessing and mitigating the impacts of offshore wind energy development on marine birds. Researchers propose three steps for mitigation: avoid, minimize, and offset, with the potential to offset negative impacts through conservation strategies that can increase seabird population sizes.

SourceUniversity of California - Santa Cruz·JournalBiological Conservation·TypeSystematic review·DateNov 17, 2022

Six-year study finds streams contaminated with pesticides from illegal cannabis grows in Northern California

A six-year study confirms stream contamination with pesticides from trespass cannabis cultivation sites in Northern California, threatening local aquatic species and freshwater resources. The study's findings highlight the need for proactive approaches to mitigate the impacts of these sites on downstream waterways and habitats.

SourceIntegral Ecology Research Center·JournalWater Quality Research Journal·TypeObservational study·DateNov 17, 2022

Wearable activity trackers can be used to determine health metrics that could support clinical care

Researchers used wearable activity trackers to derive health metrics, including heart rate distribution and walking frequency, that correlated with clinically measured parameters. These findings suggest that activity-tracker data can identify surrogate markers of disease severity, enabling remote monitoring and potential personalized t...

SourceJohns Hopkins Medicine·Journalnpj Digital Medicine·DateNov 17, 2022

Generality vs. specificity: unraveling the electric double layer structure of highly ionic liquid electrolytes

A team of researchers used molecular dynamics simulations and electrochemical 3D atomic force microscopy to study the electric double layer structure of an ionic liquid on crystalline electrodes. They found that intermolecular interactions among cations and anions are stronger than electrode-specific interactions, proposing a key descr...

SourceUniversity of Illinois Grainger College of Engineering·JournalThe Journal of Physical Chemistry Letters·DateNov 17, 2022

Chemical weapons may not protect Antarctic seafloor animals and their value for drug discovery

A recent study found that most Antarctic species' chemical compounds can repel amphipod predators but are ineffective against hermit crabs, which could decimate local populations. This highlights the vulnerability of Antarctic ecosystems to invasive species and underscores the importance of long-term research on the seafloor.

SourceMarine Biological Laboratory·JournalMarine Drugs·TypeExperimental study·DateNov 17, 2022

How does radiation travel through dense plasma?

Researchers at the University of Rochester used x-ray spectroscopy to study radiation transport in dense plasmas. They found that atomic energy level changes do not follow conventional quantum mechanics theories, instead conforming to a self-consistent approach based on density-functional theory.

SourceUniversity of Rochester·JournalNature Communications·DateNov 17, 2022

How fine bubbles lead to more efficient catalysts

The formation of fine bubbles in catalyst pores enhances gas generation reactions from liquid phase systems. This leads to a significant increase in the release of hydrogen per unit time, making the technology more compact and powerful. The discovery provides new insights into performance-limiting factors in heterogeneous catalysis.

SourceForschungszentrum Juelich·JournalScience Advances·TypeExperimental study·DateNov 17, 2022

Social bees travel greater distances for food than their solitary counterparts, study finds

Researchers at the University of Bristol found that social bees have larger foraging ranges due to traits like body size, colony size, communication, and flower constancy. This has significant implications for predicting pollination services and creating effective conservation strategies for bees and plants.

SourceUniversity of Bristol·JournalCurrent Biology·TypeComputational simulation/modeling·DateNov 17, 2022

A new experiment pushes the boundaries of our understanding of topological quantum matter

Researchers clarify key aspects of thermal Hall effect in magnetic insulator, reaching novel conclusions and advancing understanding of topological quantum matter. The study utilizes ruthenium chloride to demonstrate the first example of a magnetic insulator exhibiting the thermal Hall effect from quantum edge modes.

SourcePrinceton University·JournalNature Materials·TypeExperimental study·DateNov 17, 2022

Down syndrome, like Alzheimer's, is a double-prion disorder

A recent study reveals that Down syndrome brains develop the same amyloid beta and tau prions as Alzheimer's disease, causing neurological dysfunction. With over 50% of people with Down syndrome developing Alzheimer's by age 40, this discovery offers new insights into the common underlying causes of these two diseases.

SourceUniversity of California - San Francisco·JournalProceedings of the National Academy of Sciences·DateNov 17, 2022

Vast phytoplankton blooms may be lurking beneath Antarctic ice

Researchers used NASA's Earth observing system to estimate light availability beneath Antarctic sea ice and found significant phytoplankton blooms in nearly all example floats. The study suggests that 50% or more of under-ice Antarctic waters may support blooms, potentially supporting life beneath the ice.

SourceFrontiers·JournalFrontiers in Marine Science·TypeObservational study·DateNov 17, 2022

Cardiovascular societies give significantly fewer awards to women physicians, researchers

A study found that seven major cardiovascular societies favor men and white individuals when awarding recognition, with women receiving significantly fewer awards than men across all categories. Researchers attribute this disparity to implicit bias, which may prevent underrepresented groups from advancing in their careers.

SourceCedars-Sinai Medical Center·JournalJournal of the American College of Cardiology·DateNov 17, 2022

Homelessness, hospitals and mental health: Study shows impacts and costs

A new study by researchers at the University of Michigan finds that patients with documented housing instability were more likely to receive diagnoses for mental, behavioral, and neurodevelopmental conditions, and had longer hospital stays. The study used data from 2017-2019 and found that caring for hospitalized people with housing is...

SourceMichigan Medicine - University of Michigan·JournalJAMA Network Open·TypeData/statistical analysis·DateNov 17, 2022

Longest follow-up of patients with early breast cancer shows radiotherapy does not improve survival after 30 years

A 30-year follow-up study of patients with early breast cancer found that radiotherapy does not improve overall survival rates after 10 years but reduces the risk of recurrence in the same breast. The study's findings challenge traditional concepts of long-term anti-cancer benefits of radiotherapy.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeRandomized controlled/clinical trial·DateNov 17, 2022

First study of monkeypox infection in women provides new insights to inform public health response to ongoing outbreak

A global case series of monkeypox infection in cisgender and transgender women and non-binary individuals provides valuable insights into risk factors, routes of transmission, and clinical features. The study highlights the need for education among healthcare professionals to accurately diagnose and prevent transmission.

SourceQueen Mary University of London·JournalThe Lancet·TypeCase study·DateNov 17, 2022

Neonicotinoid causes ASD-like symptoms in chicks

Researchers found that neonicotinoid chemicals can impair the development of biological motion preference in chicks, similar to autism spectrum disorder in humans. The study suggests that transmission via nicotinic acetylcholine receptors is critical for this process.

SourceHokkaido University·JournalCerebral Cortex Communications·TypeExperimental study·DateNov 17, 2022

Targeting serial returners to stem a growing problem for retailers

A study found that consumers are more likely to shop elsewhere if they view a return policy change as unfair. Retailers may be able to offset costs by specifically targeting 'serial returners' with the policy change, improving customer intentions and reducing negative word of mouth. Targeted policies for serial returners can lead to po...

SourceIowa State University·JournalJournal of Business Research·TypeSurvey·DateNov 17, 2022

Oncotarget | Mutation analysis performed on tumor biopsies from patients with newly-diagnosed germinal center aggressive B cell lymphomas

A new study analyzed tumor biopsies from patients with newly-diagnosed germinal center B cell lymphoma and found that CREBBP mutations were associated with lower disease-free survival rates. The researchers identified CLMA as a practical tool to translate experimental findings into clinical applications.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateNov 17, 2022

UMD researcher shows how a common fungus eliminates toxic mercury from soil and water

Researchers genetically engineered the fungus Metarhizium robertsii to amplify its mercury detoxifying effects, finding it can quickly clear mercury from fresh and saltwater. The discovery suggests a potential cost-effective method for protecting crops grown in polluted areas and remediating mercury-laden waterways.

SourceUniversity of Maryland·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 17, 2022

Ewing sarcoma tumors can be split into two groups for targeted care

Researchers have identified two subgroups of Ewing sarcoma that respond differently to targeted drug therapy, with the first group responding to Linsitinib and AZD1775 treatment. The study suggests that repeated biopsies may be needed over time to determine the best course of treatment for each patient.

SourceCincinnati Children's Hospital Medical Center·JournalClinical Cancer Research·TypeExperimental study·DateNov 17, 2022