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Science News Archive 2022 - Page 272


Page 272 of 448

Accelerating the pace of machine learning

A new distributed learning technique, GD-SEC, reduces communication requirements in wireless architecture, improving efficiency and reducing computational cost. The method employs data compression to transmit only meaningful, usable data, enhancing the impact of machine learning while minimizing its limitations.

SourceLehigh University·JournalIEEE Journal of Selected Topics in Signal Processing·DateMay 18, 2022

Important genetic origin of our senses identified

A study by researchers at the University of Innsbruck discovered that the Cranial Sensory Ganglia in vertebrates shares a common genetic origin with Bipolar Tail Neurons found in tunicates. This finding suggests that Hmx, a gene conserved across evolution, played a crucial role in the formation of highly specialized sensory organs.

SourceUniversity of Innsbruck·JournalNature·TypeExperimental study·DateMay 18, 2022

Loops for micro-organisms

A UFZ research team has developed a new method called 'mass transfer with a loop' to stabilize microbial communities in bioreactors. This approach prevents the loss of crucial microorganisms, which are essential for various biotechnological processes, by synchronizing their composition and functions.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 17, 2022

Clinical study shows postbiotic urolithin a improves muscle strength and exercise performance in middle aged adults

A new clinical study published in Cell Reports Medicine found that daily intake of postbiotic Urolithin A improved muscle strength by 12% in middle-aged adults. The supplement supported the cells' ability to renew their powerplants, the mitochondria, during the aging process.

SourceEcole Polytechnique Fédérale de Lausanne·JournalCell Reports Medicine·TypeRandomized controlled/clinical trial·DateMay 17, 2022

How social media posts could affect credit scores

Alternative credit scoring systems present challenges not covered by existing regulations, leaving many Americans unable to access the credit system. These systems can be opaque and ripe for abusive lending practices, making it difficult for consumers to contest erroneous information.

SourceUniversity of Georgia·JournalAmerican Business Law Journal·DateMay 17, 2022

Reliable diagnostics at the tip of your finger

Researchers developed a biosensor using nanostructured and nanoporous surfaces to detect biomarkers in clinical samples, overcoming technical challenges of small sample amounts. The new technology can provide quick and accurate diagnoses for diseases like prostate cancer without needing dilution or preprocessing steps.

SourceInstitute for Basic Science·JournalAdvanced Materials·TypeExperimental study·DateMay 17, 2022

New tool developed by WVU researchers makes it easier to identify pregnant patients with eating disorders

A new screening tool has been developed to identify pregnant women at risk of eating disorders, allowing for early intervention and treatment. The Prenatal Eating Behaviors Screening (PEBS) tool, created by WVU researchers, uses a 12-question screener to assess symptoms and emotions associated with eating disorders.

SourceWest Virginia University·JournalArchives of Women s Mental Health·DateMay 17, 2022

Student expenditures decrease at some colleges that receive promise scholarship funds

A recent study found that two-year colleges receiving promise scholarship funds decreased their spending on instruction by 3.3% and student services by up to 15%. However, four-year colleges received no significant change in spending on student-related expenditures, while experiencing a 14.5% increase in non-student-related public serv...

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalEducational Policy·TypeData/statistical analysis·DateMay 17, 2022

The war in Ukraine impacts patients with mental disorders

A new study from Aarhus University and Aarhus University Hospital – Psychiatry has found that Danish patients with mental disorders experienced a worsening of symptoms in connection with the invasion of Ukraine. The study analyzed over 500,000 clinical notes from psychiatric hospitals in Denmark and identified a sharp increase in clini...

SourceAarhus University·JournalActa Psychiatrica Scandinavica·TypeMeta-analysis·DateMay 17, 2022

New ALS ‘drug’ is more effective than existing ones

Research on experimental drug NU-9 invents by Northwestern University scientists reveals it is more effective than existing FDA-approved drugs for ALS treatment. NU-9 also repairs the axons of diseased upper motor neurons in ALS mouse model, offering a potential new approach to treating the devastating disease.

SourceNorthwestern University·JournalScientific Reports·TypeExperimental study·DateMay 17, 2022

Scientists use machine learning models to help identify long COVID patients

Researchers developed XGBoost machine learning models using de-identified EHR data from the National COVID Cohort Collaborative to identify potential long-COVID patients. The models achieved high accuracy, identifying key features such as post-COVID respiratory symptoms and pre-existing risk factors for acute COVID severity.

SourceUniversity of North Carolina Health Care·JournalThe Lancet Digital Health·TypeData/statistical analysis·DateMay 17, 2022

3D-printed acoustic holograms against Alzheimer's or Parkinson's

Researchers at Universitat Politècnica de València have developed 3D-printed acoustic holograms that can open the blood-brain barrier, allowing for precise administration of therapeutic drugs to treat Alzheimer's and Parkinson's diseases. The technology enables controlled focusing of ultrasonic beams on specific brain structures.

SourceUniversitat Politècnica de València·JournalIEEE Transactions on Biomedical Engineering·TypeExperimental study·DateMay 17, 2022

Photoluminescence, a simple and ubiquitous technique, is far more capable than one might have thought

Researchers develop an all-optical approach using photoluminescence to analyze radiative and nonradiative recombination processes in semiconductors. By combining Raman spectroscopy with PL data, they can extract quantitative information on carrier recombination dynamics, including defect density and capture cross-sections.

Dwarf planet Ceres was formed in coldest zone of Solar System and thrust into Asteroid Belt

Researchers propose that Ceres was formed outside the Frost Line, where ammonia ice is abundant, and then pulled into the Asteroid Belt by gravitational instability. Computer simulations support this hypothesis, showing that giant planet formation led to a turbulent environment that scattered objects into stable orbits.

Caribbean coral reefs need our help

Global warming is expected to destabilize Caribbean coral populations, leading to bleaching and extinction. Coral reefs support the seafood industry, coastal communities, and tourism, with a net economic value estimated in tens of billions of dollars.

SourceLouisiana State University·JournalCoral Reefs·TypeData/statistical analysis·DateMay 17, 2022

Changes in COVID-19 mortality rates by age, race, ethnicity

A recent study found that COVID-19 mortality rates in the United States were significantly higher among younger adults and minority groups compared to older adults and white populations. The research also revealed disparities in mortality rates by sex, with women experiencing lower mortality rates than men.

SourceJAMA Network·JournalJAMA Network Open·DateMay 17, 2022

Alternative to open heart surgery just as effective for patients with common heart condition

A new study has shown that Transcatheter Aortic Valve Implantation (TAVI) is just as effective as conventional open-heart surgery in treating severe symptomatic aortic stenosis. The procedure offers a safer and faster recovery for patients, with improved symptoms, functional capacity, and quality of life at 6 weeks.

SourceUniversity of Leicester·JournalJournal of the American Medical Association·TypeRandomized controlled/clinical trial·DateMay 17, 2022