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Science News Archive August 2020 - Page 29


Page 29 of 45

Stress and anger may exacerbate heart failure

A new study published in the Journal of Cardiac Failure found that mental stress and anger can exacerbate heart failure by worsening diastolic function. Patients who experienced anger during the study exhibited worse baseline resting blood pressure, while most participants showed stress-provoked changes in diastolic function.

SourceYale University·JournalJournal of Cardiac Failure·DateAug 12, 2020

Pressure-induced 2D-3D conversion in hybrid lead iodide layered perovskite

Researchers successfully converted a 2D hybrid Dion-Jacobson lead iodide perovskite to a 3D perovskite phase at ambient conditions after pressure treatment. This process enables the use of high-pressure techniques for preparing materials with improved properties, suitable for real-world applications in optoelectronics and luminescence.

SourceCenter for High Pressure Science & Technology Advanced Research·JournalProceedings of the National Academy of Sciences·DateAug 12, 2020

Unlocking how cellular proteins control cancer spread

A McGill-led study unlocks the behavior of an enzyme involved in cancer cell spread, revealing a delicate interaction between PRL3 and magnesium transport proteins crucial to colorectal cancer growth. This finding calls into question long-standing hypotheses about PRL3's role in cancer spread.

SourceMcGill University·JournalJournal of Biological Chemistry·DateAug 12, 2020

Having COVID-19

The article describes an author's COVID-19 experience, providing a unique perspective on the disease. Key findings include physical symptoms and health outcomes associated with having COVID-19.

SourceJAMA Network·JournalJAMA Cardiology·DateAug 12, 2020

Mutations may have saved brown howlers from yellow fever virus

A University of Utah study found that genetic variations in brown howlers may have helped them survive the devastating yellow fever virus outbreak in Argentina's El Piñalito park. The researchers discovered three mutations in the immune genes of surviving brown howlers, which could affect their response to the disease.

SourceUniversity of Utah·JournalAmerican Journal of Physical Anthropology·DateAug 12, 2020

Why black rhinos may get sick in captivity

A study published in PLOS ONE found that captive black rhinoceroses have higher iron levels, inflammation, and oxidative stress compared to white rhinoceroses. This suggests a link between iron accumulation and the development of diseases like organ failure.

SourcePLOS·JournalPLOS ONE·DateAug 12, 2020

Survival on heart transplant waiting list

This observational study found that advanced treatment protocols significantly improved survival rates for heart transplant waiting list patients. Researchers examined data from over 11,000 patients and discovered a strong correlation between timely interventions and better outcomes.

SourceJAMA Network·JournalJAMA Cardiology·DateAug 12, 2020

Comparing yoga, other treatments for anxiety

A randomized clinical trial found Kundalini yoga and cognitive behavioral therapy to be more effective than stress education in treating generalized anxiety disorder. Yoga was shown to be noninferior to CBT for the treatment of the disorder, suggesting a potential alternative or complement to traditional therapies.

SourceJAMA Network·JournalJAMA Psychiatry·DateAug 12, 2020

SMART researchers find new way to make bacteria more sensitive to antibiotics

A team at SMART has found that exposing bacteria to hydrogen sulfide can increase antimicrobial sensitivity in bacteria that do not produce H2S, potentially providing a breakthrough in treating drug-resistant infections. The study suggests that the results may be applicable to all bacteria that do not naturally produce H2S.

Perovskite and organic solar cells rocketed into space

Researchers sent perovskite and organic solar cells on a rocket into space, withstanding extreme conditions to produce power from direct sunlight and reflective light. The technology offers a promising solution for future space missions, as it is incredibly light and flexible, producing up to 14 milliwatts per square centimeter.

SourceCell Press·JournalJoule·DateAug 12, 2020

How stars form in the smallest galaxies

Researchers have found that dormant small galaxies can slowly accumulate gas over billions of years, allowing for the formation of new stars. The study's findings shed light on the mysterious process of star formation in dwarf galaxies, providing insights into astrophysical processes.

SourceLund University·JournalMonthly Notices of the Royal Astronomical Society·DateAug 12, 2020

Quieting the storm

Researchers at Harvard Medical School used acupuncture to regulate inflammatory responses and improve survival in mice with cytokine storm. The study found that site, intensity, and timing of treatment influenced the response.

SourceHarvard Medical School·JournalNeuron·DateAug 12, 2020

A novel strategy for quickly identifying twitter trolls

A novel strategy for quickly identifying Twitter trolls uses linguistic features, including repeated words and word pairs, to distinguish between genuine and deceptive messages. The algorithm requires as few as 50 tweets for accurate identification, offering a potential tool for combating hybrid warfare while preserving freedom of speech.

SourcePLOS·JournalPLOS ONE·DateAug 12, 2020

Face mask insert could help diagnose conditions

Researchers have developed a method to use face masks to collect compounds in exhaled breath aerosols for analysis, enabling large-scale screening for disease biomarkers. The new technique uses a fiber inserted into an N95 face mask to concentrate molecules, allowing for more efficient identification through mass spectrometry.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateAug 12, 2020

PAD patients with depression had worse recovery, women twice as likely to be depressed

Research published in the Journal of the American Heart Association found that PAD patients with depressive symptoms have a poorer recovery rate. Women are twice as likely to be depressed than men. The study highlights the importance of integrating mental health screening and treatment into chronic disease management for optimal outcomes.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateAug 12, 2020