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Science News Archive October 2020 - Page 22


Page 22 of 47

An ultrasonic projector for medicine

Researchers have developed a chip-based technology that generates high-resolution sound profiles with intense sound pressure. This allows for more effective and easier ultrasound therapy, potentially benefiting patients with cancer, brain conditions, and other diseases. The technology also enables the creation of organoid models for dr...

SourceMax-Planck-Gesellschaft·JournalNature Communications·DateOct 19, 2020

New evidence found of the ritual significance of a classic Maya sweat bath in Guatemala

Archaeologists discovered a rare and unusual collection of artifacts at a Classic Maya sweat bath in Guatemala, suggesting the structure was embodied by an amphibian goddess. The offering included human remains, juvenile animals, and stone tools, indicating the community's attempt to appease the goddess for survival.

SourceSmithsonian Tropical Research Institute·JournalCambridge Archaeological Journal·DateOct 19, 2020

Detecting early-stage failure in electric power conversion devices

A study published in IEEE Transactions on Power Electronics detects the earliest stages of failure in silicon carbide power electronics through real-time acoustic monitoring. The researchers found that increasing acoustic emission signals correspond to progressive damage to aluminum ribbons, allowing for early warning of device failure.

SourceOsaka University·JournalIEEE Transactions on Power Electronics·DateOct 19, 2020

Mystery over decline in sea turtle sightings

Researchers have found a decline in sea turtle sightings off the coasts of the UK and Ireland over the past few decades. The study suggests that factors such as climate change, prey availability, and environmental disasters may be influencing this trend.

SourceUniversity of Exeter·JournalJournal of the Marine Biological Association of the United Kingdom·DateOct 18, 2020

Unique adaptations allow owls to rule the night

Researchers found genes involved in sensory perception showed accelerated evolution, including those for light perception, dim-light vision, and retina development. The study also identified 32 genes related to DNA packaging and chromosome condensation, which may enable owls to channel light more efficiently.

New study highlights the role of risk communication in coping with COVID-19

A new study by psychologists at Zhengzhou Normal University found that effective risk communication mitigates emotional contagion and anxiety, while inconsistent findings suggest a reciprocal correlation between anxiety and risk communication. The study analyzed data from January to February 2020 and showed that prevention activities w...

SourceZhengzhou Normal University·JournalFrontiers in Public Health·DateOct 16, 2020

Surrey is leading the way in perovskite tandem solar cells

The University of Surrey has made significant advancements in perovskite tandem solar cells, achieving higher power conversion efficiencies through adjustments to thickness and the development of more effective protective layers. This progress holds promise for accelerating commercialization and promoting a shift towards green energy.

SourceUniversity of Surrey·JournalChemical Reviews·DateOct 16, 2020

Trees prefer the big city life

A study found that trees in larger cities are healthier and more productive than those in less dense areas, with red maples being the most productive in urban environments. The research highlights the importance of planting the right tree species in cities to support ecological resilience.

SourceUniversity of Delaware·JournalPLOS ONE·DateOct 16, 2020

Suicide prevention in COVID-19 era

A new study emphasizes the importance of suicide prevention in the COVID-19 era, highlighting both pandemic-specific and prepandemic risk factors. The authors stress the need for a multifaceted approach to address these risks, leveraging political will and federal investments to support vulnerable populations.

SourceJAMA Network·JournalJAMA Psychiatry·DateOct 16, 2020