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Science News Archive May 2021 - Page 10


Page 10 of 47

Vitamin B6 deficiency enhances the noradrenergic system, leading to behavioral deficits

A study found that Vitamin B6 deficiency is associated with social deficits, cognitive impairment, and hyperactivated noradrenergic systems in mice. Supplementing the brain with Vitamin B6 improved these abnormalities, suggesting a potential therapeutic strategy for schizophrenia patients with Vitamin B6 deficiency.

SourceTokyo Metropolitan Institute of Medical Science·JournalTranslational Psychiatry·DateMay 25, 2021

UBCO researchers examine how pandemics impact the homeless

A team of UBC Okanagan researchers investigated the impact of pandemics on homeless populations, revealing a mortality rate five to 10 times higher compared to the general population. The study identified six key themes that affect the homeless, including education and outreach, screening and contact tracing, and treatment adherence.

SourceUniversity of British Columbia Okanagan campus·JournalHealth & Social Care in the Community·DateMay 25, 2021

Study shows how fungi and bacteria can activate genes associated with head and neck cancer

Researchers discovered that metabolites from fungi and bacteria biofilms can modulate gene expression associated with tumor growth and survival. The study found that these microorganisms can endanger homeostasis in normal and neoplastic oral epithelial cells, impairing cell viability and survival.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalFrontiers in Cellular and Infection Microbiology·DateMay 25, 2021

New international research provides tips for entrepreneurs to beat the grind

A new study suggests that engaging in recovery can help entrepreneurs reduce the negative impact of stress and improve well-being outcomes. The study proposes three recovery-intervention categories: Respite, Reappraisal, and Regimen, which recommend taking breaks, reframing thoughts on stress, and adding structure to recovery.

SourceUniversity of Central Florida·JournalEntrepreneurship Theory and Practice·DateMay 25, 2021

Tuning the intermediate reaction barriers by a CuPd catalyst for CO2 electroreduction to C2 products

Researchers designed a Cu-Pd bimetallic electrocatalyst that lowers the energy barrier of C2 product generation, resulting in a 50.3% C2 Faradaic efficiency. The catalyst exploits the benefits of both Cu (low energy barrier) and Pd (ultrafast kinetics), addressing CO2 conversion limitations.

Whale carcasses help answer mysteries of elusive species

Researchers analyzed stable isotope analysis of skin, muscle, and bone tissue to study Sowerby's beaked whale spatial ecology. The results show that the species exhibits both short- and long-term habitat fidelity, with at least two subpopulations in the eastern and western Atlantic.

SourceFrontiers·JournalFrontiers in Conservation Science·DateMay 25, 2021

New study shines light on hazards of Earth's largest volcano

Researchers found that a large earthquake could set off the eruption of Hawaii's Mauna Loa volcano by relieving stress from magma influx, generating additional pressure and buoyancy. The study also identified movements along near-horizontal faults under the flanks as essential features of long-term volcano growth.

Autonomous cortisol secretion associated with 2- to 3-fold increase in mortality risk

A retrospective cohort study found that autonomous cortisol secretion is associated with a 2- to 3-fold increased risk of death and cardiovascular disease in patients with adrenal incidentalomas. Researchers recommend treating known cardiovascular risk factors and incorporating findings into treatment decisions, including surgery.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateMay 24, 2021

Sterilizing skeeters

Researchers at UC Santa Barbara have created sterile male mosquitoes using CRISPER/Cas9, a technique that could suppress Aedes aegypti populations. The study found that the mutant males produced no sperm but still suppressed female fertility, making them effective in controlling mosquito populations.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateMay 24, 2021

Keeping it rolling

Scientists at Osaka University employ machine learning algorithms to assess the remaining useful life of mechanical rolling bearings, which may lead to industrial cost savings and fewer discarded parts. The new method improves prediction accuracy by about 32%.

SourceOsaka University·JournalIEEE Access·DateMay 24, 2021

Researchers identify facilitators for rehabilitation care for people with spatial neglect

A recent qualitative study identified facilitators for rehabilitation care of individuals with spatial neglect, including the importance of family support, interdisciplinary collaboration, and continuous treatment. Experts also highlighted the need for therapists to engage patients and their families in therapy to improve outcomes.

SourceKessler Foundation·JournalArchives of Rehabilitation Research and Clinical Translation·DateMay 24, 2021

Fat around the heart linked to increased risk of heart failure

Researchers found that excess pericardial fat increases the risk of heart failure, even after adjusting for established risk factors. High pericardial fat volume was associated with a double increase in risk for women and a 50% increase for men, according to the study published in the Journal of the American College of Cardiology.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of the American College of Cardiology·DateMay 24, 2021

Using waste heat to power an environmentally sustainable future

Dr Martin White's research proposes a two-phase expansion system that can generate up to 28% more power than conventional single-phase systems. The study aims to enhance the performance of Organic Rankine Cycle (ORC) systems for waste heat recovery, reducing environmental footprint in industries such as iron and steel, food, and drink.

SourceCity St George’s, University of London·JournalApplied Thermal Engineering·DateMay 24, 2021

New fishing tech may pose risks to fisheries, says study co-authored by UMass researcher

A new study co-authored by UMass researcher Andy Danylchuk warns that advances in recreational fishing technology can have significant impacts on fish ecosystems. The study emphasizes the need for resource management agencies to share their experiences and for scientists to intensively study the effects of technological innovations.

SourceUniversity of Massachusetts Amherst·JournalReviews in Fish Biology and Fisheries·DateMay 24, 2021