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Science News Archive April 2022 - Page 20


Page 20 of 37

Mommy says easy does it

A study by Kyoto University researchers reveals that human fetuses develop slower shoulder growth before birth, alleviating complications during delivery. This adaptation allows for a safer passage through the birth canal, reconciling the incompatibility between wide shoulders and narrow pelvis.

MAGIC telescopes observe nova explosion

The MAGIC telescopes detected gamma rays with energies of 250 gigaelectronvolts from the RS Ophiuchi nova, a hundred billion times more energetic than visible light. This suggests that nova outbursts are a source of cosmic rays, specifically accelerated protons and nuclei of hydrogen atoms.

SourceMax Planck Institute for Physics·JournalNature Astronomy·TypeObservational study·DateApr 14, 2022

Scientists find vitamin K2 repairs nerve cells via mitochondrial quality control loop

Scientists discovered vitamin K2's novel function in regulating mitochondrial membrane potential and alleviating oxidative stress, repairing damaged mitochondria and inhibiting nerve cell damage caused by 6-OHDA. Vitamin K2 may play a role in preventing and treating neurodegenerative diseases like Alzheimer's and Parkinson's.

Huge Amazon swamp carbon stores under threat, study says

Scientists have mapped the first data-driven peat thickness models of Peru's tropical peatlands, revealing an area twice as large as previously estimated, storing around 5.4 billion tonnes of carbon. Urgent protection is needed to prevent carbon gas emissions from decomposing peat swamps in lowland Peruvian Amazonia.

SourceUniversity of Edinburgh·JournalNature Geoscience·TypeContent analysis·DateApr 14, 2022

A drug that cures alcoholism may be the next anti-anxiety medication

Researchers at Tokyo University of Science discovered that disulfiram inhibits FROUNT protein and chemokine signaling pathways, reducing anxiety levels in mice. The study suggests a potential breakthrough anti-anxiety medication with safe and effective treatment for elderly patients suffering from anxiety and insomnia.

SourceTokyo University of Science·JournalFrontiers in Pharmacology·TypeExperimental study·DateApr 14, 2022

Easy and high-throughput model provided for evaluating efficiency of photodynamic agent

A new photodynamic agent, BCQDs, has been developed using a simple hydrothermal method from broccoli biomass. The material exhibits high photostability and generates singlet oxygen effectively under irradiated light. This work introduces a rapid and high-throughput screening model for future PDT research.

A multi-institutional research team finds declining nitrogen availability in a nitrogen-rich world

A multi-institutional team finds that nitrogen insufficiency is a growing concern worldwide due to increased demand for nitrogen by plants and microbes. Declining nitrogen availability can slow plant growth and affect the food chain, while also constraining carbon storage and contributing to global warming.

SourceAdvanced Science Research Center, GC/CUNY·JournalScience·TypeData/statistical analysis·DateApr 14, 2022

Getting under our skin

Researchers at Harvard Medical School have created spatial maps that show how melanoma cells and immune cells interact as a tumor develops. The maps, which offer insights into the early events in melanoma, reveal signs of immunosuppression and may aid in understanding how to prevent or treat the disease.

SourceHarvard Medical School·JournalCancer Discovery·TypeImaging analysis·DateApr 14, 2022

Moffitt researchers identify key characteristics of immune cells in ovarian cancer

Researchers at Moffitt Cancer Center have discovered that tissue-resident memory T cells are crucial for recognizing tumor cells in ovarian cancer. These T cells arise from circulating T cells and undergo a differentiation process to target cancer cells, providing a potential roadmap for improved immunotherapy options.

New approach can predict pollution from cooking emissions

Scientists have developed a new approach to predict pollution from cooking emissions by analyzing the behavior of oleic acid nanostructures. By identifying the molecular properties that control their transformation in the atmosphere, researchers can better understand and model the impact of cooking aerosols on human-made climate change.

SourceUniversity of Birmingham·JournalAtmospheric Chemistry and Physics·TypeData/statistical analysis·DateApr 14, 2022

New study shows increase in black lung disease in coal miners

A new study has found higher levels of silica dust in the lung tissue of contemporary coal miners compared to previous generations, providing a rationale for the Mine Safety and Health Administration to develop a more protective occupational standard for silica. The study suggests that changing mining practices, which generated more si...

SourceAmerican Thoracic Society·JournalAnnals of the American Thoracic Society·TypeSystematic review·DateApr 14, 2022

Factors including extreme winds, topography and vegetation influenced the severity of burns from Oregon's devastating 2020 megafires

A study by Portland State University researchers found that extreme winds were the primary driver of the devastating 2020 Oregon megafires, but topography and vegetation structure also significantly influenced burn severity. Younger trees and low canopy height were particularly susceptible to high mortality rates.

SourcePortland State University·JournalFire·TypeComputational simulation/modeling·DateApr 14, 2022

Scientists develop indoor-active photocatalyst for antiviral coating against various variant types of novel coronavirus SARS-CoV-2

Researchers developed a solid-state photocatalyst using TiO2 and CuO nanoclusters to inactivate various variants of SARS-CoV-2. The material is effective under both darkness and indoor light, making it suitable for reducing COVID-19 infection risk in indoor environments.

SourceTokyo Institute of Technology·JournalScientific Reports·TypeExperimental study·DateApr 14, 2022

Predicting the most stable boron nitride structure with quantum simulations

A team of researchers has provided evidence to settle the debate on the relative stabilities of boron nitride's structures using a state-of-the-art quantum simulation method. The study found that hexagonal boron nitride (hBN) is the most stable structure, followed by rhombohedral (rBN), zinc-blende (cBN), and wurtzite (wBN).

SourceJapan Advanced Institute of Science and Technology·JournalThe Journal of Physical Chemistry C·DateApr 14, 2022

A pre-Easter surprise: massive recall of chocolate products due to outbreak of monophasic Salmonella Typhimurium in 10 European countries

A multistate outbreak in 10 European countries linked to chocolate products has been linked to monophasic Salmonella Typhimurium, primarily affecting young children. The outbreak strain demonstrated a multidrug-resistant profile, highlighting the importance of including uncommon AMR profiles in early international communications.

SourceEuropean Centre for Disease Prevention and Control (ECDC)·JournalEurosurveillance·TypeObservational study·DateApr 14, 2022

Study shows memory is formed through rewiring of global network among pre-existing local neuronal ensembles

Researchers found that neuronal ensembles in the amygdala and prefrontal cortex existed before memory acquisition, but developed through experience in the hippocampus. The study also revealed that ensemble synchrony across brain regions was particularly strong during transient bursts of activity, suggesting a role in memory consolidation.

SourceOsaka Metropolitan University·JournalNature Communications·TypeExperimental study·DateApr 14, 2022

UK invests to modernize polar science

The UK is investing £290 million in upgrading aircraft facilities to facilitate easy transportation to Antarctic research stations. This investment is part of the £670 million total investment in modernizing polar science research facilities, ensuring the UK remains a world leader in the field until at least 2045.

High cardiovascular risk is associated with symptoms of depression

A new study published in PLOS ONE finds that high and very high cardiovascular risk are associated with depressive symptoms, especially in women. The researchers used data from a Mediterranean Diet trial and found that participants with higher cardiovascular risk had lower depressive status scores after following the diet.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateApr 13, 2022

Kumamoto University’s Dr. Kenichi Miharada awarded this year’s Heisei Memorial Research Grant from the Japan Prize Foundation

Dr. Kenichi Miharada and his team received the grant to develop an in vitro red blood cell production method due to global blood shortage for transfusions. They have already established a semi-infinitely proliferating red blood cell source called immortalized human erythroblast cell line (ELLU cells), but face technical challenges.

South Bronx traffic congestion worsens, raising health and safety concerns

Traffic-related air pollution contributes to high rates of asthma prevalence in Mott Haven and Port Morris, with significant increases in congestion in mixed-use areas and at night. The study's findings highlight the need for measures to mitigate environmental health impacts of traffic congestion.

SourceColumbia University's Mailman School of Public Health·JournalEnvironmental Science & Policy·TypeExperimental study·DateApr 13, 2022

New Chinese Medical Journal study assesses mortality risk in multimorbid patients

A new study published in the Chinese Medical Journal assessed mortality risk in middle-aged and older Chinese individuals with multiple diseases. The study identified four multimorbidity patterns, with cardiometabolic being the most common, and found that individuals with these patterns had a significantly increased mortality risk.

SourceCactus Communications·JournalChinese Medical Journal·TypeObservational study·DateApr 13, 2022

Black Rhino extinction risk sharply increased by killing of specific female rhinos

New research from The University of Manchester found that poaching combined with individual rhino's reproductive variance significantly increases the risk to black rhino survival. Reproductive skew, or variation in breeding success between females, can exacerbate extinction risk by up to 70% in small populations.

SourceUniversity of Manchester·JournalProceedings of the Royal Society B Biological Sciences·DateApr 13, 2022

Climate change affects landscape freeze-thaw but not in the same way everywhere, a new Concordia study shows

A new Concordia study reveals that climate change affects the province-wide analysis of landscape freeze-thaw cycles, leading to increased greenhouse gas emissions in northern regions and transitional days in southern areas. This can have significant impacts on infrastructure and greenhouse gas emissions.

SourceConcordia University·JournalScientific Reports·TypeData/statistical analysis·DateApr 13, 2022

New study and interactive map point to environmental justice disparities (and solutions) in land conservation

A new study in Environmental Research Letters reveals striking disparities in conserved land distribution across social marginalization dimensions in New England. Researchers created a tool to address these disparities and built an interactive map to highlight opportunities for future conservation based on environmental justice criteria.

SourceHarvard University·JournalEnvironmental Research Letters·TypeComputational simulation/modeling·DateApr 13, 2022

Undersea detector proves it’s swell

A new undersea detector has successfully detected a mild tsunami in Tokyo Bay using the power of muons and cosmic rays. This innovative system uses sensitive detectors to measure changes in ocean swells, providing accurate data for early warning systems and potentially revolutionizing tsunami monitoring.

SourceUniversity of Tokyo·JournalScientific Reports·TypeExperimental study·DateApr 13, 2022