We've all heard the expression "laughter is the best medicine." Over the years, scientific evidence has corroborated the therapeutic value of laughter, which has been shown to lower BP and heart rate, improve lung capacity, improve memory and alertness, reduce pain, aid digestion, and lower levels of stress hormones.But during a hectic workday, as we witness the worries and sufferings of others, we often forget to laugh. Indeed, we wonder if it's even appropriate. How could we laugh in such troubled times? This true story from Chicken Soup for the Nurse's Soul, Second Dose, reminds us that laughter is good for the patient's soul too.
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http://dx.doi.org/10.1097/01.NURSE.0000334657.35821.47 | DOI Listing |
During early development, embryos coordinate the growth of different tissues to ensure that they reach the correct proportions. A new paper in Development shows that tissue scaling occurs in the tail of the post-gastrulation zebrafish embryo. The study suggests that this scaling is underpinned by multi-tissue tectonics, a mechanism whereby the deformation of one growing tissue can impact the dynamics of a neighbouring tissue.
View Article and Find Full Text PDFBiol Rev Camb Philos Soc
December 2024
Wyoming Cooperative Fish and Wildlife Research Unit, Department of Zoology and Physiology, University of Wyoming, 1000 E University Ave, Laramie, Wyoming, 82071, USA.
Although decades of research have deepened our understanding of the proximate triggers and ultimate drivers of migrations for a range of taxa, how populations establish migrations remains a mystery. However, recent studies have begun to illuminate the interplay between genetically inherited and learned migrations, opening the door to the evaluation of how migration may be learned, established, and maintained. Nevertheless, for migratory species where the role of learning is evident, we lack a comprehensive framework for understanding how populations learn specific routes and refine migratory movements over time (i.
View Article and Find Full Text PDFAnimals (Basel)
November 2024
Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture and Rural Affairs of China, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China.
The Chinese sturgeon () is an ancient, complex autooctoploid fish species that is currently facing conservation challenges throughout its distribution. To comprehensively characterize the expression profiles of genes and their associated biological functions across different tissues, we performed a transcriptome-scale gene expression analysis, focusing on housekeeping genes (HKGs), tissue-specific genes (TSGs), and co-expressed gene modules in various tissues. We collected eleven tissues to establish a transcriptomic repository, including data from Pacific Biosciences isoform sequencing (PacBio Iso-seq) and RNA sequencing (RNA-seq), and then obtained 25,434 full-length transcripts, with lengths from 307 to 9515 bp and an N50 of 3195 bp.
View Article and Find Full Text PDFEcology
December 2024
Institute for Marine & Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia.
Am Psychol
November 2024
Department of Psychology, University of Minnesota, Twin Cities.
Although current approaches to the study of resilience acknowledge the role of context, rarely do those conceptualizations attend to societal systems and structures that include hierarchies of power and privilege-namely systems of racism, colonialism, patriarchy, and capitalism-nor do they articulate how these structural realities are embedded within individual experiences. We offer critiques of the current literature from this structural lens, using the concept of master narratives to articulate the incomplete and, at times, damaging story that the discipline of psychology has told about resilience. We then provide three models that center history, systems, and structures of society that can be employed in the study of resilience.
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