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Science News Archive 2022 - Page 326


Page 326 of 448

Shedding new light on controlling material properties

Researchers at Kyoto University have discovered a scaling law that determines high-order harmonic generation in the perovskite material Ca2RuO4. The phenomenon, which was first observed in atomic gas systems, has been found to be highly dependent on temperature and gap energy.

SourceKyoto University·JournalPhysical Review Letters·TypeExperimental study·DateApr 5, 2022

People with epilepsy live shorter lives

A Danish cohort study reveals people with epilepsy die significantly earlier than the general population, with excess mortality pronounced among those with mental disorders. The study's findings have important implications for healthcare professionals and highlight the need for targeted preventive efforts to reduce mortality.

SourceAarhus University·JournalBrain·TypeRandomized controlled/clinical trial·DateApr 5, 2022

Houston Methodist researchers identify an immunotherapy target to combat glioblastomas

Glioblastomas, the deadliest brain cancer, have evaded immune cells by promoting immunosuppressive myeloid cells. Researchers identified S100A4 as a key molecule that can selectively target these immune suppressive cells. This discovery paves the way for new therapeutic strategies to restore antitumor action in glioblastoma patients.

SourceHouston Methodist·JournalNature Communications·TypeExperimental study·DateApr 5, 2022

Towards sustainable, self-powered energy devices with coconuts

Researchers have developed high-performance energy storage and harvesting devices using coconut husk biowaste, achieving 16-fold higher voltage generation and 12-fold higher current generation compared to conventional devices. The devices also show potential for monitoring human breathing patterns in real-time.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalSustainable Materials and Technologies·TypeExperimental study·DateApr 5, 2022

Primary care medical home found to be more effective than usual care in treating patients with serious mental illness

A new study by UCLA researchers found that a specialized primary care medical home improved the care and treatment of patients with serious mental illness, resulting in better mental health-related quality of life. The patient-centered medical home model provided comprehensive, coordinated care among patients and their clinicians, lead...

SourceUniversity of California - Los Angeles Health Sciences·JournalJournal of General Internal Medicine·TypeRandomized controlled/clinical trial·DateApr 5, 2022

Rational neural network advances machine-human discovery

A novel 'rational' neural network reveals underlying mathematical equations through Green's functions, enabling humans to understand machine-generated findings. This breakthrough in partial differential equation learning holds promise for advancing scientific exploration of weather systems, climate change, and more.

SourceCornell University·JournalScientific Reports·DateApr 5, 2022

New metric more accurately evaluates physician performance

A new approach for measuring physician adherence to best practices has been developed, taking into consideration patient characteristics and physician training background. The study found that pulmonary and critical care medicine training was associated with higher recognition of ARDS, a form of lung failure.

SourceNorthwestern University·JournalBMC Medical Research Methodology·TypeData/statistical analysis·DateApr 5, 2022

Research discovery a pearl of hope for imperiled oyster reefs

A 15-year study by University of Virginia researchers shows that restored oyster reefs can match natural reef populations in about six years and continue to thrive thereafter. The study's findings suggest that restoration can catalyze rapid recovery of imperiled coastal habitats and help reverse decades of degradation.

SourceUniversity of Virginia·JournalConservation Letters·TypeExperimental study·DateApr 5, 2022

NTU Singapore scientists develop a recyclable pollen-based paper for repeated printing and ‘unprinting’

Researchers at Nanyang Technological University in Singapore have developed a sustainable, pollen-based 'paper' that can be printed on and reused multiple times. The paper's non-toxic properties make it an attractive alternative to conventional wood-based paper, which has a significant environmental impact.

SourceNanyang Technological University·JournalAdvanced Materials·DateApr 5, 2022

Bees win in survival wars

Researchers found that social bee parasites and their host species have similar rates of evolution, contrary to predictions. This unexpected finding suggests that smaller population sizes may not hinder a parasite's ability to adapt and survive.

SourceFlinders University·JournalEcology and Evolution·TypeObservational study·DateApr 5, 2022

Dental anomalies among childhood cancer survivors differ according to type of anticancer treatment received

A study found that childhood cancer survivors who received combined chemotherapy and radiotherapy have a higher risk of dental developmental anomalies. The first signs of dental disturbances can appear within one or two years after treatment. Researchers identified specific treatments and age factors associated with increased DDA risk.

SourceThe Hebrew University of Jerusalem·JournalScientific Reports·TypeData/statistical analysis·DateApr 5, 2022

Treated plastic waste good at grabbing carbon dioxide

Researchers at Rice University have developed a method to turn treated plastic waste into an effective carbon dioxide sorbent, capable of removing CO2 from flue gas streams. The process involves heating plastic waste in the presence of potassium acetate, producing particles with nanometer-scale pores that trap CO2 molecules.

SourceRice University·JournalACS Nano·TypeExperimental study·DateApr 5, 2022

Fitness needs the right timing

The study found that cryptochromes are conserved across various green organisms, influencing cell structures responsible for photosynthesis. The researchers discovered that a specific cryptochrome can actually lead to increased growth despite appearing darker green due to denser packed cell membranes.

SourceFriedrich-Schiller-Universitaet Jena·JournalPLANT PHYSIOLOGY·DateApr 5, 2022

Global team of scientists determine ‘fingerprint’ for how much heat, drought is too much for forests

A global team of scientists has identified a consistent pattern of hotter-drought conditions leading to forest mortality events. The study reveals that limiting Earth's warming will determine the survivability of many forests, with higher temperatures projected to double tree-killing droughts.

SourceUniversity of Florida·JournalNature Communications·TypeData/statistical analysis·DateApr 5, 2022

Vitamin K shows evidence of brain benefits in rats

A new study found that vitamin K2 supplementation improved spatial memory, learning ability, and reduced evidence of cognitive impairment, depression, and anxiety in rats. The researchers suggest that vitamin K may help preserve cognitive functions by affecting biological pathways involving inflammation and antioxidant activity.

How to track a shark

A massive dataset reveals complex ecological relationships between sharks and game fish, offering a clearer understanding of their interactions. The study's innovative use of acoustic telemetry and machine learning helps inform fisheries management strategies to protect both species.

SourceUniversity of Massachusetts Amherst·JournalEcological Applications·DateApr 5, 2022

Researchers discover bacteria capable of killing fungus that causes yield-reducing disease in sugarcane

Researchers have discovered three strains of Pseudomonas bacteria that can inhibit and even kill the fungus responsible for pineapple sett rot, a disease that affects sugarcane yields. The study found that these bacteria produce volatile organic compounds that downregulate genes essential to fungal growth, leading to cell death.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalEnvironmental Microbiology·DateApr 5, 2022

Researchers at the GIST identify new medicines using interpretable deep learning predictions

A new deep learning-based model called Highlights on Target Sequences (HoTS) predicts binding between drugs and target molecules, providing interpretable results. The model can predict target proteins' binding regions and interactions with drugs without a 3D complex.

SourceGIST (Gwangju Institute of Science and Technology)·JournalJournal of Cheminformatics·TypeComputational simulation/modeling·DateApr 5, 2022

Solar cell keeps working long after sun sets

Researchers developed a photovoltaic cell that harnesses energy from temperature differences between the cell and surrounding air, generating 50 milliwatts per square meter at night. The device avoids need for batteries and can be incorporated into existing solar cells, making it suitable for remote locations with limited resources.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateApr 5, 2022

Decoding the molecular clock that controls neurogenesis in the visual center of Drosophila

In a study published in Nature Communications, researchers uncovered the molecular players involved and how timing is controlled for creating neural diversity. Single-cell RNA sequencing technology revealed a temporal patterning gene network in Drosophila medulla neuroblasts, including nine new transcription factors.

Late-onset alcohol abuse can be a presenting symptom of dementia, researchers find

Research finds that late-onset alcohol abuse may be a presenting symptom of dementia, particularly in patients with frontotemporal dementia. The study identified that up to 7% of patients with frontotemporal dementia started abusing alcohol late in life, and 5% did so as the first symptom of the disease.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Alzheimer’s Disease·TypeData/statistical analysis·DateApr 5, 2022

New UCI-led study lays foundation for establishing base editing as a one-time, durable treatment for inherited retinal degeneration

A new UCI-led study indicates base editing has tremendous potential to treat inherited retinal degeneration, particularly in Leber congenital amaurosis (LCA) patients. The treatment rescued cone photoreceptors on a long-term basis, suggesting a one-time, durable treatment for LCA patients.

SourceUniversity of California - Irvine·JournalNature Communications·DateApr 5, 2022

New link between greenhouse gasses and sea level rise

A new study provides evidence that long-term warming of the Amundsen Sea, a key contributor to global sea level rise, is linked to rising greenhouse gases. The research suggests that ocean temperatures in the region have been rising since before records began and are expected to continue if greenhouse gas emissions increase.

SourceBritish Antarctic Survey·JournalGeophysical Research Letters·DateApr 5, 2022

‘Robot scientist’ Eve finds that less than one third of scientific results are reproducible

A study using AI-powered robot scientist Eve analyzed over 12,000 research papers on breast cancer cell biology and found that less than one third of the results were reproducible. The researchers found that significant evidence for repeatability was found in 43 papers, while 22 papers showed replicable results under different conditions.

SourceUniversity of Cambridge·JournalJournal of The Royal Society Interface·DateApr 5, 2022