Add BrightSurf on Google Email

Science News Archive May 2021 - Page 4


Page 4 of 47

Applying private insurer rules to Medicare Part B

Researchers estimated the extent of Medicare Part B medical services subject to private insurer prior authorization under coverage policies. The study found that these restrictions would have resulted in significant spending savings, affecting healthcare delivery and policy.

SourceJAMA Network·JournalJAMA Health Forum·DateMay 28, 2021

Jebel Sahaba: A succession of violence rather than a prehistoric war

The Jebel Sahaba cemetery, 13 millennia old, was initially thought to be a testament to prehistoric warfare. However, recent analysis reveals a succession of violent episodes, likely exacerbated by climate change. The study found that individuals bore injuries from projectiles and repeated episodes of violence over their lifetimes.

SourceCNRS·JournalScientific Reports·DateMay 27, 2021

New microscopy method reaches deeper into the living brain

Researchers have developed a new technique called diffuse optical localization imaging (DOLI) that enables noninvasive imaging of the brain's microvasculature and neural activity at depths of up to 4 millimeters. This method uses the NIR-II window and is poised to bring new insight into how the brain works in health and disease.

SourceOptica·JournalOptica·DateMay 27, 2021

Magnetized threads weave spectacular galactic tapestry

A new panorama of the Galactic Center builds on previous surveys, expanding Chandra's high-energy view. The image features X-ray and radio emission intertwined threads, bound by magnetic fields that may have formed through magnetic reconnection. This process drives galactic-scale outflows and affects cosmic rays and interstellar medium.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalMonthly Notices of the Royal Astronomical Society·DateMay 27, 2021

NTU Singapore scientists turn aquaculture waste into new biomaterial for tissue repair

The researchers developed a biomaterial made from discarded bullfrog skin and fish scales that acts as a scaffold for bone-forming cells to multiply, leading to the formation of new bone. The biomaterial has shown low risk of triggering an inflammatory response and could be used to assist with bone growth around surgical implants.

SourceNanyang Technological University·JournalMaterials Science and Engineering C·DateMay 27, 2021

Soft drink ads target 'vulnerable'

A Flinders University study found participants with an automatic bias towards soft drinks were more responsive to TV ads than those without these tendencies. The researchers suggest targeting people who show cognitive vulnerabilities to reduce consumption of sugary drinks.

SourceFlinders University·JournalAppetite·DateMay 27, 2021

Starting local

A new study suggests that managing local environmental conditions can help coral reefs persevere in the face of climate change. Local factors like macroalgae presence and nutrient pollution exacerbate coral loss, but also offer opportunities for management to boost reef resilience.

High-capacity electrodes by valence engineering developed for desalination

Researchers from Hefei Institutes of Physical Science created three manganese oxides with different Mn valences for high-capacity capacitive desalination. The results showed that these electrodes displayed high salt adsorption capacity and corresponding high salt adsorption rates surpassing other carbon materials.

Icebergs push back

Researchers at CU Boulder discovered that a sudden change in slushy iceberg aggregates can trigger calving events up to an hour before they occur. The findings may help scientists predict future sea-level rise scenarios and understand the forces determining how much ice discharges into the ocean.

SourceUniversity of Colorado at Boulder·JournalNature Geoscience·DateMay 27, 2021

Sleep warning for older men

A study published in the Journal of Sleep Research found that disrupted slumber can be associated with cognitive dysfunction in middle-aged and older men. The research suggests that optimal attention and cognitive speed may be affected by poor sleep, particularly in day-to-day activities such as driving and physical activities.

SourceFlinders University·JournalJournal of Sleep Research·DateMay 27, 2021