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Recent technologies have extended opportunities for online dance learning by overcoming the limitations of space and time. However, dance teachers report that student-teacher interaction is more likely to be challenging in a distant and asynchronous learning environment than in a conventional dance class, such as a dance studio. To address this issue, we introduce DancingInside, an online dance learning system that encourages a beginner to learn dance by providing timely and sufficient feedback based on Teacher-AI cooperation. The proposed system incorporates an AI-based tutor agent (AI tutor, in short) that uses a 2D pose estimation approach to quantitatively estimate the similarity between a learner's and teacher's performance. We conducted a two-week user study with 11 students and 4 teachers. Our qualitative study results highlight that the AI tutor in DancingInside could support the reflection on a learner's practice and help the performance improvement with multimodal feedback resources. The interview results also reveal that the human teacher's role is essential in complementing the AI feedback. We discuss our design and suggest potential implications for future AI-supported cooperative dance learning systems.

Metaphorical language describing the COVID-19 pandemic as a war has been pervasive in public discourse (e.g. "the pandemic is a war," "the virus is an enemy," and "the vaccine is a weapon"). This study employs an online survey experiment (N = 551 U.S. adults) to examine the impact of war metaphors compared to non-metaphorical literal frames and fire metaphors (e.g. "the pandemic is a wildfire"). War metaphors exhibited little advantage over literal frames across a variety of desirable outcomes (i.e. the adoption of pro-health behaviors against COVID-19, perceived solidarity and collective responsibility to curb the pandemic, and intentions to discuss and share the health news with others). However, this study revealed some benefits of war metaphors over fire metaphors. Compared with fire metaphors, health news featuring war metaphors increased both positive emotions and perceived threats of COVID-19, which in turn promoted pro-health behaviors against COVID-19 and perceived solidarity to cope with the public health crisis. Moreover, positive emotions in response to war metaphors also indirectly encouraged the retransmission of science-based COVID-19 health news. This study thus showcased the benefits and limitations of war metaphors and revealed the mediating roles of perceived threats and positive emotions in explaining war metaphorical framing effects. Implications of using war and fire metaphors for communicating about public health crises are also discussed. [ABSTRACT FROM AUTHOR]

The proliferation of smartphones and the widespread use of camera modules necessitate complementary metal-oxide-semiconductor (CMOS) image sensors with high pixel density. The recent competitive race to miniaturize pixels has enabled commercial CMOS sensors with submicron pixels to reach sizes as small as 0.5 μ m. However, further downsizing towards subwavelength pixels faces fundamental challenges as the conventional focus-and-filter approach suffers from the diminishing focusing ability of conventional microlens arrays and optical efficiency constraints imposed by absorptive color filters. Nanophotonic color routers have emerged to overcome these challenges via efficient spatio-spectral splitting, thereby directing incident light into corresponding pixels. In particular, recent developments in free-form device optimization methods enable the design of highly efficient color routers by exploring a large combinatorial design space, which was previously considered to be intractable with conventional design methods. In this review, we comprehensively introduce a multitude of research achievements in the field of nanophotonic color routers for CMOS image sensors with a special emphasis on their design methodologies. [ABSTRACT FROM AUTHOR]

Introduction: As global health issues become more important, nursing education is undergoing change to reflect the changing global health environment and new knowledge. Nurses are required to be able to understand and interact with patients of diverse cultural backgrounds and characteristics and have relevant global health competencies. Objectives: The aims of this study were to determine the GHC status of nurses and to analyze the association between GHC and nurse characteristics. Methods: This study was a cross-sectional descriptive survey using a convenience sampling method. Data were collected from 473 nurses to collect information about participants' GHC and general characteristics, including gender, age, nursing experience (years), experience of caring for foreign patients, English communication skills, learning experience in global health, and global preparedness. Multiple regression analysis was used to determine the relationship between GHC and nurse characteristics. Results: The mean GHC score of nurses was 2.21 out of 4. "Nursing practice in globalization" was the most important global health competency, while "resource management in globalization" was the one that was most necessary. In addition, "Resource management in globalization" was the highest priority for global health competency. Global preparedness (β =.25, p <.001) and the perceived necessity of GHC in nursing practice (β =.28, p <.001) were statistically significant factors influencing the global health competency of nurses. Conclusion: Based on the relationship identified between GHC and the characteristics of nurses, it is essential to develop an education program for enhancing global preparedness and perception of the necessity of GHC. [ABSTRACT FROM AUTHOR]

AbstractThis study aimed to examine and compare factors influencing depressive symptoms from those influencing suicidal ideation in Korean adults aged 20–39 years. Data were collected from September 15 to 23, 2021 using an online survey company because of the limitations of face-to-face surveys during the coronavirus 2019 pandemic. Participants were also recruited from the Seoul Suicide Prevention Center. Suicidal ideation, depressive symptoms, and general health and demographic characteristics were determined based on existing standardized questionnaires. Multiple logistic regression analysis was used to determine associations with depressive symptoms and suicidal ideation. Based on data from 1014 participants, age, sex, alcohol consumption, sleep duration, and stress were associated with depressive symptoms. In contrast, income, subjective health status, and stress were found to influence suicidal ideation; the effect of income disappeared when adjusted for depression. Lower income, poor subjective health status, higher stress levels, and depression were associated with a higher risk of suicidal ideation. These findings suggest that depression and suicidal ideation have distinct influencing factors and that simply viewing depression as a risk factor for suicidal ideation may lead to other important factors being overlooked. [ABSTRACT FROM AUTHOR]

This study presents the utilization of 2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO) radical-immobilized metal–organic frameworks (MOFs) for the oxidative cyclization of aldehydes and aminophenols, leading to the heterogeneous synthesis of 2-substituted benzoxazole molecules. The TEMPO-immobilized MOFs are successfully employed in one-pot sequential aerobic oxidation and oxidative cyclization reactions that enable the synthesis of 2-phenyl benzoxazoles from readily available benzyl alcohols and ortho-aminophenol precursors. The modified MOFs exhibit exceptional reactivity towards benzoxazole synthesis, demonstrating a wide range of substrate compatibilities and efficient performance under simple reaction conditions. Through the implementation of a mixed-ligand approach, precise control over the molar fraction and density of TEMPO radicals is achieved. Among the synthesized catalysts with radical density control, UiO-68-(TEMPO)1.0, which features the complete immobilization of TEMPO, displays the highest catalytic efficiency in the oxidative cyclization process. This enhanced performance can be attributed to the dual involvement of TEMPO species in the proposed reaction mechanism for oxidative cyclization. Notably, the MOF-TEMPO catalyst can be recycled up to five times without any loss of catalytic activity or crystallinity. This research is significant because the sequential approach proposed in this study bridges the TEMPO-catalyzed aerobic oxidation of alcohols and TEMPO-catalyzed oxidative cyclization of aldehydes with aminophenols under the same TEMPO catalyst and O2 atmosphere. [ABSTRACT FROM AUTHOR]