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Science News Archive May 2021 - Page 6


Page 6 of 47

Myocarditis in big ten athletes with recent SARS-CoV-2 infection

A study of 1,597 Big Ten athletes revealed a notable increase in the detection of myocarditis following COVID-19 infection, highlighting the importance of cardiac screening. Cardiac magnetic resonance imaging proved to be an effective tool for identifying this condition, a leading cause of sudden death in competitive athletes.

SourceJAMA Network·JournalJAMA Cardiology·DateMay 27, 2021

Quantification of the internal OH- effects in upconversion nanocrystals

Scientists have developed a method to quantify internal OH- impurities in upconversion nanocrystals, revealing an exponential relation between luminescence intensity and OH- content. This discovery enriches our understanding of the quenching mechanism and paves the way for highly efficient lanthanide-doped materials.

Better understanding membranes

Experts from the University of Goettingen and Hereon have developed new research strategies for polymer membranes, promising relatively inexpensive production and strong separation selectivity. Computer simulations will play a crucial role in understanding these systems.

SourceHelmholtz-Zentrum Hereon·JournalChemical Reviews·DateMay 26, 2021

Studies reveal that social isolation and quarantine throughout the COVID-19 pandemic may have a detrimental impact on physical and mental health of people living with pre-existing conditions

Two studies found that social isolation and quarantine can cause significant psychological and/or physical distress on individuals with diabetes and hypocortisolism. These effects include increased anxiety, depression, high blood pressure, weight gain, and decreased physical activity.

HKUST's meta-analysis shows SARS-CoV-2 variants unlikely to affect T cell responses

A recent study by HKUST scientists analyzed data from over 850 recovered COVID-19 patients and found that most T cell epitopes targeted upon natural infection are unaffected by current SARS-CoV-2 variants. This suggests that T cell responses may be relatively robust, assuming vaccine responses mimic those of natural infection.

SourceHong Kong University of Science and Technology·JournalCell Reports Medicine·DateMay 26, 2021

Why a vacation seems like it will end as soon as it begins

Researchers found that people anticipate positive events, such as vacations, as being both farther away and shorter in duration than negative or neutral events. This phenomenon can lead to a feeling that the vacation will end as soon as it begins, making people less likely to plan specific events during their time off.

SourceOhio State University·JournalJournal of Consumer Psychology·DateMay 26, 2021

Wireless broadband connectivity enhanced by a new communication design

Researchers have developed a new communication design that improves broadband wireless connectivity in the terahertz band, mitigating signal delay and achieving multi-Gbps speeds over short distances. The design uses multiple antennas and beamforming techniques to compensate for propagation losses and accurately estimate channels.

SourceUniversitat Pompeu Fabra - Barcelona·JournalIEEE Journal on Selected Areas in Communications·DateMay 26, 2021

To sting or not to sting?

Researchers study individual bees' decision to sting based on alarm pheromone concentration, revealing a 'stopping effect' at high concentrations. The study suggests environmental factors drove the evolution of pheromone-based communication in honeybees' defensive behaviour.

SourceUniversity of Konstanz·JournalBMC Biology·DateMay 26, 2021

Similar states of activity identified in supermassive and stellar mass black holes

The study reveals that supermassive black holes exhibit accretion states similar to those seen in stellar mass black holes, with properties including thermal emission by the plasma disc and intense radio emission. This new understanding helps clarify the activity cycles of supermassive black holes in galaxy centers.

SourceInstituto de Astrofísica de Canarias (IAC)·JournalMonthly Notices of the Royal Astronomical Society·DateMay 26, 2021

Warm ice may fracture differently than cold ice

Researchers at Aalto University discovered that warm ice behaves differently than previously studied cold ice, with no significant viscoelastic recovery. The team's findings suggest that warmer conditions are increasingly expected to affect infrastructure engineering in frigid regions.

SourceAalto University·JournalThe Cryosphere·DateMay 26, 2021

Immediate skin-to-skin contact after birth improves survival of pre-term babies

A study published in The New England Journal of Medicine found that immediate skin-to-skin contact after birth significantly improves survival rates for pre-term babies with a very low birth weight. Continuous Kangaroo Mother Care (KMC) reduced mortality by 25% and lowered the risk of low body temperature or bacterial blood poisoning.

SourceKarolinska Institutet·JournalNew England Journal of Medicine·DateMay 26, 2021

Can racial identity protect black teens from racism-related stress? It's complicated

A recent study found that racial identity can influence the way Black adolescents experience anticipatory stress about racism. While high private regard was associated with less psychological stress, high centrality scores were linked to worse anticipatory stress across the board. The researchers also discovered that higher public rega...

SourceNorth Carolina State University·JournalAmerican Journal of Orthopsychiatry·DateMay 26, 2021

Global cardiovascular organizations release joint opinion on achieving the 'tobacco endgame'

Four leading cardiovascular organizations urge governments to implement the World Health Organization's MPOWER framework to reduce tobacco use. The joint opinion outlines comprehensive strategies, including lowering nicotine concentrations in combustible tobacco products and enforcing strong systems and premarket assessments of all tob...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateMay 26, 2021

Conquering COVID-19 with antivirals

Creating an oral antiviral has the potential to fully eradicate COVID-19 by allowing early treatment, preventing hospitalizations and fatalities. However, progress in antiviral development has been slow compared to vaccine development, highlighting the need for continued research.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateMay 26, 2021

Opiate overdoses linked to poor mental health

A national study by University of Cincinnati researchers has identified 25 geographic hot spots for fatal opioid overdoses and linked them to poor mental health. White males aged 25-29 are most at risk, followed by white males aged 30-34, with a correlation between fatal overdoses and mental distress increasing the relative risk by 39%

SourceUniversity of Cincinnati·JournalPLOS ONE·DateMay 26, 2021

People who eat a plant-based dinner could reduce their risk of heart disease by ten percent

A nationwide study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that eating a plant-based dinner can significantly reduce the risk of heart disease. The study, which analyzed data from over 27,000 U.S. adults, discovered that individuals who consumed more whole carbohydrates and unsaturated ...

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMay 26, 2021