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Science News Archive 2021 - Page 362


Page 362 of 510

Glass injection molding

A team of researchers at the University of Freiburg has developed a process for injecting glass into molds, allowing for high-throughput production of transparent glass components. This new technology combines polymer and glass processing, enabling quick and cost-effective replacement of complex polymer structures with glass.

SourceUniversity of Freiburg·JournalScience·DateApr 9, 2021

Frontline health workers across US faced unique stressors during COVID

A recent study by the University of California - San Francisco found that nearly one-fifth of emergency department staff were at elevated risk for post-traumatic stress disorder (PTSD) due to COVID-19. Regular testing for COVID-19 helped reduce stress among emergency personnel, particularly those with previous positive antibody results.

SourceUniversity of California - San Francisco·JournalAnnals of Emergency Medicine·DateApr 9, 2021

Dismantling white supremacy in public health

A new analysis suggests that public health institutions must address white supremacy to achieve true equity. Researchers propose strategies for dismantling white supremacy, including tracking exposure to police brutality and educating policymakers on its impact.

SourceLehigh University·JournalAmerican Journal of Public Health·DateApr 9, 2021

Fostered flamingos just as friendly

Researchers found that fostered flamingo chicks formed stable social ties and behaved like parent-reared birds after rejoining their species. The study provides valuable insights into the success of fostering for conservation breeding programs.

SourceUniversity of Exeter·JournalJournal of Zoological and Botanical Gardens·DateApr 8, 2021

'Pain is always a perception': Physical therapy can help prevent, treat opioid use disorder

A new model in physical therapy education aims to address opioid use disorder by incorporating topics such as women's health, pediatric care, and sports therapy. By understanding the complex interplay between physical activity, pain perception, and addiction, physical therapists can provide holistic care to patients across the lifespan.

SourceWest Virginia University·JournalPhysical Therapy·DateApr 8, 2021

Supportive partners protect relationship quality in people with depression or stress

A new study by UMass Amherst researchers found that couples where one partner is responsive and supportive can maintain better relationship quality despite the other's depression or external stress. The study involved over 200 newlywed couples and found that responsiveness was associated with improved relationship outcomes.

SourceUniversity of Massachusetts Amherst·JournalSocial Psychological and Personality Science·DateApr 8, 2021

A song of ice and fiber

Sandia National Laboratories has successfully analyzed the first seafloor dataset from under Arctic sea ice using a new underwater technique. The team detected natural and human-caused activities, including ice quakes and transportation activities, while also monitoring for climate signals and marine life.

Unique method to fabricate freeform structures of thermoplastics in microparticulate gels

Researchers at Singapore University of Technology and Design have developed a unique method to fabricate freeform structures of thermoplastics in microparticulate gels. This innovation uses immersion precipitation of polymer inks in microparticulate gels, enabling the creation of mechanically strong components without support materials.

SourceSingapore University of Technology and Design·JournalACS Applied Polymer Materials·DateApr 8, 2021

Higher rates of chronic pain in women linked to genetics

A new study published in PLOS Genetics has found that genetic differences may contribute to higher rates of chronic pain in women. The study analyzed genetic variants associated with chronic pain in 209,093 women and 178,556 men, revealing sex-specific differences in gene activity.

SourcePLOS·JournalPLOS Genetics·DateApr 8, 2021

Accelerated cellular aging associated with mortality seen in depressed individuals

A study found that cells from people with major depressive disorder (MDD) have accelerated DNA methylation clocks, indicating an increased risk of mortality. The researchers discovered that these changes persisted even after accounting for lifestyle factors, suggesting a potential biological mechanism underlying the condition.

SourceWalter Reed Army Institute of Research·JournalTranslational Psychiatry·DateApr 8, 2021

Association of symptoms of PTSD with posttraumatic psychological growth among US veterans during COVID-19 pandemic

A national survey of US veterans found that those with symptoms of posttraumatic stress disorder (PTSD) experienced positive psychological changes, including personal growth and appreciation for life, during the COVID-19 pandemic. The study suggests a complex relationship between PTSD symptoms and posttraumatic psychological growth.

SourceJAMA Network·JournalJAMA Network Open·DateApr 8, 2021

Graphene: Everything under control

A team of scientists from Bielefeld and Berlin successfully controlled graphene's nonlinearity by applying modest electrical voltages, enabling efficient processing of high-frequency signals. This breakthrough paves the way for using graphene in THz frequency converters, mixers, and modulators.

SourceBielefeld University·JournalScience Advances·DateApr 8, 2021

New test to study language development in youth with Down syndrome

A new test, expressive language sampling (ELS), has been validated as a reliable tool to measure communication development in youth with Down syndrome. The study found that ELS measures were generally valid and reliable across ages and IQ levels, demonstrating strong validity for vocabulary, syntax, and speech intelligibility variables.

SourceUniversity of California - Davis Health·JournalJournal of Neurodevelopmental Disorders·DateApr 8, 2021

Altering traumatic memories

Texas A&M researchers have developed a method to indirectly retrieve and weaken fear memories, which could lead to more effective therapy for treating trauma. By reactivating traumatic memories through conditioning procedures, scientists can make them vulnerable to disruption.

SourceTexas A&M University·JournalNature Neuroscience·DateApr 8, 2021

The fastest one wins

A team at the Indian Institute of Science developed a catalytic version of the Fischer indole synthesis that primarily produces one enantiomer. The reaction involves a dynamic kinetic resolution mechanism with a chiral catalyst, resulting in moderate yields and good to excellent enantiomeric selectivity.

SourceWiley·JournalAngewandte Chemie International Edition·DateApr 8, 2021