A systematic review and meta-analysis found single and repeated intravenous ketamine infusions to be efficacious in reducing suicidal and depressive symptoms in acute major depressive episodes. Longer-term outcomes remain unclear.
SourceJAMA Network·JournalJAMA Psychiatry·DateMay 6, 2026
Researchers have published a comprehensive review on the latest advances in regulating Bi-based catalysts for photoelectrocatalytic CO2 reduction, providing guidance for high-performance catalyst design. The study aims to promote the development of efficient CO2 reduction technologies with enhanced activity and selectivity.
SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateOct 20, 2025
Aranet4 Home CO2 Monitor
Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.
Scientists developed a novel catalyst system that can generate hydrogen from methane at lower temperatures while minimizing carbon buildup. The breakthrough achieved high methane conversion rates and demonstrated remarkable stability, pointing to cheaper and greener production methods for clean transportation and industrial processes.
SourceBiochar Editorial Office, Shenyang Agricultural University·TypeExperimental study·DateOct 14, 2025
Researchers aim to characterize theory structure using symmetry, but find it doesn't capture enough information for a thorough comparison of complexity. They explore alternative approaches to measuring structural complexity, but ultimately conclude that symmetry-based methods may be limited.
SourceUniversity of California - Santa Barbara·JournalSynthese·DateJun 13, 2023
Researchers analyzed 119 articles from the Lit Covid database to understand how researchers use ethnoracial categories in biomedical studies. The study found that many articles used terms 'race' or 'ethnicity' without clear definitions, leading to confusion and misinterpretation of research findings.
SourceInterdisciplinary Centre for Ethics, Jagiellonian University in Kraków·JournalMedicine Health Care and Philosophy·TypeSystematic review·DateDec 8, 2022
AmScope B120C-5M Compound Microscope
AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.
A study of rural communities in the US found that people using both methamphetamine and opioids had the highest risk of nonfatal overdose. The study suggests that addressing methamphetamine use alongside opioid use is crucial for reducing overdose rates in these communities.
SourceJAMA Network·JournalJAMA Network Open·DateAug 15, 2022
A recent study reassesses nuclear safety by prioritizing both objective and subjective risks, aiming to reduce psychological and physical trauma. The guidelines advocate for improved system resilience and shift towards systems-thinking in risk assessment.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateAug 19, 2019
This article emphasizes the importance of addressing social determinants of health inequities. It highlights the limitations of reductionism in medicine and suggests that a systems biology approach could be valuable for clinical medicine, focusing on the holistic characteristics of a problem rather than its component parts.