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Science News Archive May 2023 - Page 36


Page 36 of 40

Offering genetic testing at the point of care may increase uptake

A new study suggests combining digital cancer risk assessment with point-of-care genetic testing can help overcome clinical workflow challenges that prevent at-risk patients from accessing genetic testing. The approach more than doubled the average uptake of genetic testing, showing promise for cancer prevention and detection.

SourceBoston University School of Public Health·JournalGenetics in Medicine·TypeObservational study·DateMay 3, 2023

Traces from the past

A team of researchers has developed a non-destructive method to extract DNA from bones and teeth, allowing for direct attribution of cultural objects to specific individuals. The breakthrough enabled the recovery of ancient human DNA from a 20,000-year-old pendant, providing insights into Paleolithic societies.

Discovery suggests route to safer pain medications

Researchers at Washington University School of Medicine have identified a potential mechanism behind hallucinations triggered by kappa opioid receptors, aiming to develop painkillers without these side effects. Targeting specific binding sites on the kappa receptor may relieve pain without inducing euphoria and addiction.

SourceWashU Medicine·JournalNature·TypeObservational study·DateMay 3, 2023

Disparities in telehealth utilization among Medicare beneficiaries

A new study reveals racial and rural disparities in telehealth utilization among Medicare beneficiaries in Arkansas. The association between chronic conditions and telehealth use was strongest among White and rural individuals, while urban and non-Hispanic Black or African American beneficiaries showed weaker associations.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalTelemedicine and e-Health·TypeCase study·DateMay 3, 2023

Electric vehicles may mostly decrease pollution in richer, whiter neighborhoods, with less benefit for disadvantaged communities, per analysis of California's Clean Vehicle Rebate Project

A recent analysis of California's Clean Vehicle Rebate Project reveals that electric vehicles primarily reduce air pollution in affluent, white neighborhoods. However, the benefits of cleaner transportation are largely absent from disadvantaged communities, highlighting concerns about environmental justice.

SourcePLOS·JournalPLOS Climate·DateMay 3, 2023

HKU Mechanical Engineering team develops electroconductive hydrogel for biomedical applications

A research team from HKU has developed a new type of electroconductive hydrogels with outstanding mechanical strength and manufacturability, enabling various bioelectronic devices. The material shows high electrical conductivity and mechanical strength, making it suitable for applications such as neural prosthetics and cardiac patches.

SourceThe University of Hong Kong·JournalNature Communications·TypeExperimental study·DateMay 3, 2023

Study finds fluorescent guide can help detect tumor left behind after breast cancer surgery

A clinical trial of 406 patients found that a fluorescent agent allowed surgeons to identify and remove residual tumor tissue with favorable results. The technique showed promising results in detecting tumor tissue missed by standard lumpectomy procedures, potentially avoiding second surgeries for positive margins.

SourceMass General Brigham·JournalNEJM Evidence·TypeRandomized controlled/clinical trial·DateMay 3, 2023

XFELs show the final milliseconds of oxygen formation

Researchers have visualized the crucial final step of oxygen formation in Photosystem II, a protein complex that powers photosynthesis. The study provides new insights into the interaction between the protein environment and the Mn/Ca cluster, shedding light on the mechanism behind water-splitting and oxygen production.

SourceUppsala University·JournalNature·TypeExperimental study·DateMay 3, 2023

Stinging tree injects promise of pain relief

Researchers at University of Queensland have identified a novel pain pathway triggered by the Gympie-Gympie tree's toxins, which could lead to non-opioid pain relief. The gympietide toxin interacts with nerves after injection through fine needle-like hairs on the leaves and requires a partner protein called TMEM233 to function.

SourceUniversity of Queensland·JournalNature Communications·TypeExperimental study·DateMay 3, 2023

Can internet usage help protect against dementia?

Researchers found that regular internet users had approximately half the risk of dementia compared to non-users, regardless of factors such as education and age. The study suggests that online engagement may help develop cognitive reserve, which can compensate for brain aging.

SourceWiley·JournalJournal of the American Geriatrics Society·DateMay 3, 2023

Journal of Dental Research to publish special issue on aging and oral health

The Journal of Dental Research (JDR) has published a special issue on aging and oral health, featuring research on biological mechanisms underlying age-related conditions such as cognitive decline. The issue aims to improve oral health care in older populations, promoting general health and well-being.

Integrating STEM majors won’t end gender segregation at work

A new study by Cornell University sociologists suggests that increasing women's representation in STEM majors will reduce gender disparities in STEM occupations. However, the findings also indicate that labor market factors and policies play a significant role in perpetuating gender segregation. Integrating academic majors can help chi...

SourceCornell University·JournalDemography·DateMay 3, 2023

Bloodstream infections in preemies may originate from their gut microbiomes

A study published in Science Translational Medicine suggests that preterm infants' gut microbiomes play a role in the development of dangerous bacterial bloodstream infections. The researchers found that the most common bacteria causing these infections are also commonly found in the gut, and that antibiotics can disrupt the balance of...

SourceWashU Medicine·JournalScience Translational Medicine·TypeObservational study·DateMay 3, 2023

Researchers decode neural mechanism for alternating memory formation and retrieval in humans

A study published in Current Biology reveals that the hippocampus uses a specific neural mechanism to alternate between forming new memories and retrieving existing ones. The researchers found that gamma oscillations are coupled to theta waves, with different frequencies associated with encoding and retrieval processes.

SourceUniversity of Barcelona·JournalCurrent Biology·TypeExperimental study·DateMay 3, 2023

Why do Champagne bubbles rise the way they do? Scientists’ new discovery is worthy of a toast

Researchers from Brown University and the University of Toulouse found that surfactants make Champagne bubble chains stable. The experiments showed that larger bubbles and surfactants help reduce tensions between liquid and gas, creating a smooth rise. This discovery has implications for understanding bubbly flows in fluid mechanics.

SourceBrown University·JournalPhysical Review Fluids·TypeExperimental study·DateMay 3, 2023

Precursor of breast cancer or not?

Researchers developed a method to predict DCIS progression to invasive breast cancer using mice with human DCIS cells. The study found molecular similarities between humans and mice, including the presence of HER2 protein increasing breast cancer risk.

SourceNetherlands Cancer Institute·JournalCancer Cell·TypeExperimental study·DateMay 3, 2023

“Concerning” anxiety levels among women in farming linked with isolation, financial worries and workload

A recent study found concerning levels of anxiety among female farmers in England and Wales, with factors including financial pressures, workload, and isolation contributing to moderate to severe anxiety. The research also highlights the need for greater support and social connections to improve mental health in this group.

SourceUniversity of Exeter·JournalJournal of Agromedicine·DateMay 3, 2023

Frenchman mountain dolostone: 500 million-year-old grand canyon rock layer finally gets a name

A team of researchers from UNLV has named a previously unexplored 500 million-year-old Grand Canyon formation, the Frenchman Mountain Dolostone. The new formation was identified through scientific detective work and is now understood to have been deposited over an interval of 7.3 million years during the Cambrian Period.

SourceUniversity of Nevada, Las Vegas·JournalGeosphere·TypeObservational study·DateMay 3, 2023

More woodlands will not impact tourism

A new study has found that increasing woodland cover in UK uplands will not deter tourists from visiting. The research, conducted by Aarhus University, involved over 500 tourists and showed that most would still visit even with 75% or 100% forest cover. However, the majority preferred a view from the mountain top.

SourceAarhus University·JournalLandscape and Urban Planning·TypeCase study·DateMay 3, 2023

Sodium content at common NYC chain restaurants did not decrease one year after enforcement of sodium warning labels, suggesting additional time and similar action from other jurisdictions is necessary to reduce the sodium content of menu items

A recent study published in PLOS ONE found that sodium content at common NYC chain restaurants did not decrease one year after the enforcement of sodium warning labels. The study suggests that additional time and similar action from other jurisdictions are necessary to reduce the sodium content of menu items.

SourcePLOS·JournalPLOS ONE·DateMay 3, 2023

Virtual consulting can significantly cut carbon footprint in health care, new study suggests

A new systematic literature review reveals that virtual consulting can reduce carbon emissions in healthcare by minimizing patient travel time. The review found significant reductions in carbon emissions through the adoption of telemedicine appointments and video-based visits, which will continue to mitigate climate change as health sy...

SourceJMIR Publications·JournalJournal of Medical Internet Research·TypeSystematic review·DateMay 3, 2023

May issues of American Psychiatric Association journals cover new treatments, assessing crisis lines, suicide prevention, and more

The latest May issues of American Psychiatric Association journals focus on new treatments for conditions like trichotillomania, social anxiety disorder, and opioid use disorder. Additionally, a special issue of Focus journal explores suicide preventive interventions and knowledge.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateMay 3, 2023

Researchers detect and classify multiple objects without images

A new technique called image-free single-pixel object detection (SPOD) can detect the location, size, and category of multiple objects without acquiring images. SPOD uses a small optimized structured light pattern to quickly scan the scene and extract features, achieving an accuracy of over 80%.

SourceOptica·JournalOptics Letters·DateMay 3, 2023

Venous thromboembolism associated with COVID-19: therapeutic management and long-term outcomes outlined

A new study by Arianna Anticoagulation Foundation suggests that patients with COVID-19-associated venous thromboembolism may not require prolonged anticoagulant therapy, with a limited duration of 3-6 months being adequate for most patients. The START2-COVID-VTE observational study found low rates of thrombotic recurrences in both groups.

SourceFondazione Arianna Anticoagulazione·JournalResearch and Practice in Thrombosis and Haemostasis·TypeObservational study·DateMay 3, 2023