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Science News Archive March 2023 - Page 26


Page 26 of 44

"Denoising" a noisy ocean

Scripps Oceanography researchers developed a machine learning method to separate fish chorusing sounds from the overall ocean noise, enabling faster analysis and identification. The 'SoundScape Learning' technique can be applied to other soundscapes to learn more about animals like frogs, birds, and bats.

SourceUniversity of California - San Diego·JournalThe Journal of the Acoustical Society of America·TypeData/statistical analysis·DateMar 14, 2023

WVU lab’s game-changing high-performance semiconductor material could help slash heat emissions

A team led by Xueyan Song at West Virginia University has created an oxide ceramic material that solves a longstanding efficiency problem plaguing thermoelectric generators. The breakthrough achieved record-high performance, opening up new research directions to further increase performance and enabling large-scale waste heat recovery.

SourceWest Virginia University·JournalRenewable and Sustainable Energy Reviews·DateMar 14, 2023

Gene essential to making DNA appears to be a good target in minimizing pulmonary hypertension

Researchers discover that inhibiting a gene crucial for DNA production can significantly reduce destructive cell proliferation and disease progression in pulmonary hypertension. This finding presents a potential treatment target for the condition, which affects females aged 30-60 with limited treatment options.

SourceMedical College of Georgia at Augusta University·JournalEuropean Heart Journal·DateMar 14, 2023

Tech could help BC farmers reach customers, mitigate climate change impacts

Researchers at UBC Okanagan found that Chinese farmers use online marketing to connect with consumers, an approach not widely adopted in BC. The study suggests that targeted education, research, and public investments can improve the resilience of agricultural climate adaptation in both countries.

SourceUniversity of British Columbia Okanagan campus·JournalMitigation and Adaptation Strategies for Global Change·TypeObservational study·DateMar 14, 2023

Patient-friendly prescription labels improve medication adherence, study finds

A study by University of Georgia researchers found that revised prescription labels with explicit instructions can dramatically improve medication adherence to antihypertension medications, contraceptives, and asthma controllers. This improvement was seen in patients taking these medications, including those with asthma, hypertension, ...

SourceUniversity of Georgia·JournalJournal of the American Pharmacists Association·DateMar 14, 2023

COVID-19 pandemic has long-lasting effects on adolescent mental health and substance use

A new study found that the COVID-19 pandemic has had a long-lasting impact on adolescent mental health and substance use, with increased depressive symptoms and negative effects observed up to two years into the pandemic. Parental social support and adequate sleep duration were associated with better mental health outcomes.

SourceColumbia University's Mailman School of Public Health·JournalThe Lancet Child & Adolescent Health·DateMar 14, 2023

Ovarian development of yellow-spined bamboo locust sheds light on emergence and migratory nature of pest

Scientists have developed a model that estimates adult emergence periods and identifies migratory populations of the yellow-spined bamboo locust based on ovarian development. The study provides key information for predicting pest occurrences and highlights the importance of considering reproductive system development in sustainable pes...

SourceCABI·JournalFrontiers in Physiology·TypeExperimental study·DateMar 14, 2023

Carnegie Mellon University researchers develop soft robot that shifts from land to sea with ease

Researchers at Carnegie Mellon University have created soft robots that can transition from walking to swimming, crawling to rolling, or jumping. The robots use highly dynamic bistable soft actuators made of shape-memory alloy springs that react to electrical currents, allowing for varied locomotion and adaptability.

SourceCarnegie Mellon University·JournalAdvanced Materials Technologies·DateMar 14, 2023

Dark current modeling of thick perovskite X-ray detectors

Researchers developed a dark current model for thick perovskite X-ray detectors, finding that thermionic-emission and generation-recombination currents are key contributors. The study reveals the importance of suppressing generation-recombination current due to hetero-band mismatch and interface defects.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateMar 14, 2023

NIST develops new nondestructive method for assessing bioengineered artificial tissues

Researchers at NIST have developed a real-time technique to noninvasively count the number of live cells in a 3D artificial scaffold, meeting an unmet need in tissue engineering. The method uses optical coherence tomography and is label-free, reducing time and cost compared to earlier methods.

SourceNational Institute of Standards and Technology (NIST)·JournalJournal of Biomedical Materials Research Part A·DateMar 14, 2023

New, non-invasive imaging tool maps uterine contractions during labor

Researchers developed a non-invasive imaging tool to create real-time images of uterine contractions during labor. The electromyometrial imaging (EMMI) technique provides detailed information on contraction patterns, which can help improve labor management and clinical decision-making.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalNature Communications·TypeObservational study·DateMar 14, 2023

Research Brief: Restorative Justice diversion with Minneapolis youth

Researchers found that Minneapolis youth who participated in restorative justice diversion were less likely to experience re-arrest than those processed through the traditional juvenile justice system. The study demonstrates the positive impact of this approach and highlights its potential to reduce racial disparities.

SourceUniversity of Minnesota Medical School·JournalCrime & Delinquency·TypeExperimental study·DateMar 14, 2023

Observations open door to improved luminous efficiency of organic LEDs

A research team at Osaka Metropolitan University has developed a technique to directly observe changes in the electronic state of light-emitting electrochemical cells (LECs) during electroluminescence. This breakthrough enables improvements in luminous efficiency, paving the way for more efficient and reliable OLEDs and LECs.

SourceOsaka Metropolitan University·JournalNature Communications·TypeExperimental study·DateMar 14, 2023

Growing mushrooms alongside trees could feed millions and mitigate effects of climate change, research finds

A new study by University of Stirling scientists found that growing edible mushrooms alongside trees can produce a valuable food source for millions of people while capturing carbon. The approach incentivizes tree planting and reduces the need for deforestation to make way for crops, mitigating the impact of climate change.

SourceUniversity of Stirling·JournalProceedings of the National Academy of Sciences·DateMar 14, 2023

The new normal already? Examining changing probability of a summer-like fall

A recent study confirmed that a record-high temperature recorded in October 2021 would have been extremely unlikely to occur without the influence of global warming. The team quantified how often such heatwaves may occur during future fall seasons under different greenhouse gas emission scenarios.

SourcePohang University of Science & Technology (POSTECH)·JournalBulletin of the American Meteorological Society·DateMar 14, 2023

Climate change alters a human-raptor relationship

A recent study reveals that climate change has led to an increase in Bald Eagle populations, which are now forming a relationship with dairy farmers in northwestern Washington State. In exchange for the eagles' services such as carcass removal and pest-deterrence, dairy farmers reap benefits from the eagles' presence.

SourceCornell University·JournalEcosphere·TypeCase study·DateMar 14, 2023

Learning behavior differs between OCD and problem gambling

Research reveals that individuals with OCD exhibit lower-than-normal learning rates when rewards are less than expected, while those with problem gambling display boosted learning from high rewards and blunted learning from low rewards. This study highlights the benefits of using neurocomputational approaches to understand psychiatric ...

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateMar 14, 2023

Receptor ‘blasting’ visualised

Researchers from Universität Leipzig have developed a molecular sensor system to detect when and where adhesion GPCRs break apart, activating receptors and transmitting biochemical signals. The breakthrough could lead to the development of drugs targeting these receptors for treating various diseases.

SourceUniversität Leipzig·JournalNature·TypeExperimental study·DateMar 14, 2023

Team of sister scientists identifies a possible genetic culprit for uterine corpus endometrial cancer

A team of scientists has identified Myo5b as a potential genetic driver of uterine corpus endometrial cancer (UCEC), a fourth deadliest cancer in women. Elevated levels of Myo5B were found in UCEC samples, suggesting its role in transporting nutrient-absorbing transporters to the surface of cancer cells.

SourceMedical University of South Carolina·JournalPLOS ONE·TypeData/statistical analysis·DateMar 14, 2023

Casting light on counterfeit products through nano-optical technology

Researchers developed a novel 3D printed nano optical security label with 33 possible combinations, utilizing higher dimensional structured light and incoherent white light illumination. This technology has the potential to revolutionize anti-counterfeiting methods and provide a powerful platform for advanced information security.

SourceSingapore University of Technology and Design·JournalNature Nanotechnology·DateMar 14, 2023

Lasers and chemistry reveal how ancient pottery was made — and how an empire functioned

Researchers analyzed ancient Wari pottery to understand how the empire spread its aesthetic. They found that potters across the empire created their own ceramics, decorated in traditional Wari style, with distinct chemical signatures from different regions. This bottom-up approach highlights local agency and economies' importance.

SourceField Museum·JournalJournal of Archaeological Science·DateMar 14, 2023

A common metabolite may help treat autoimmune diseases

Researchers at Hokkaido University discovered itaconate's modulatory effect on T helper and T regulatory cells, potentially leading to new treatments for autoimmune diseases. The study found that itaconate inhibits Th17 cell differentiation and promotes Treg cell development, reducing disease symptoms in mice models.

SourceHokkaido University·JournalNature Communications·TypeExperimental study·DateMar 14, 2023