157 research outputs found

    The effects of the Many Global Cultures program upon students' global citizenship

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    Thesis (Ed.D.)--Boston UniversityThis dissertation utilizes qualitative and quantitative methods to examine the effects of one school's global education program on particular students' sense of global citizenship. The researcher interviewed, observed, and surveyed students in the Many Global Cultures Program (MGC) as well as those on the Many Global Cultures Waitlist. Morais and Ogden's "Global Citizenship Scale" (2010) was used for the pre and post surveys offered at the beginning and end of the academic year. Ordinary Least Squares Regression analyses revealed that students participating in the MGC program demonstrated statistically significant shifts over the school year in the measures of"global knowledge," global political voice," and glocal civic activism." Demographic controls such as gender and grade point average did predict students' shifts on some measures. Gender was a significant predictor of students' shifts in "global justice and disparities" as well as "global altruism and empathy." Also, gender and grade point average were demographic controls that were both significant predictors of a student's shift in "global interconnectedness and personal responsibility." Key qualitative findings include a difference in the way participants in the MGC program and students on the MGC Waitlist defined global citizenship as well as the unique sense of "community" students in the MGC program experienced. Many participants in the global education class tended to define global citizenship with terms such as "action" and "responsibility," while students on the MGC Waitlist often defined global citizenship as having knowledge about world events. Participants in the Many Global Cultures program also often referenced a feeling of community in their classrooms as a result of the multi-leveled structure of the classes. The dissertation concludes with implications and recommendations for future researchers, future educators, policy makers, and school administrators based on the literature presented in Chapter 1 and the findings from the interviews, observations, and surveys conducted in the study

    John Porter Photograph Collection

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    The collection contains 41 images and photographs dating from the late 1890s to the early 1900s belonging to the late Reverend John Porter (1856-1929). John Porter was a well known figure in Baltimore\u27s African Methodist Episcopal (AME) Church and the father of prominent African American art historian James A. Porter (1905-1970). The AME Church features prominently in the collection images with the vast majority of the images depicting either churches or ministers. The collection also contains portraits of other identified and unidentified men, women, and children

    Threads of memory: Reviving the ornament of a dead child at the Neolithic village of Ba'ja (Jordan)

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    In 2018, a well-constructed cist-type grave was discovered at Ba'ja, a Neolithic village (7,400-6,800 BCE) in Southern Jordan. Underneath multiple grave layers, an 8-year-old child was buried in a fetal position. Over 2,500 beads were found on the chest and neck, along with a double perforated stone pendant and a delicately engraved mother-of-pearl ring discovered among the concentration of beads. The first was found behind the neck, and the second on the chest. The meticulous documentation of the bead distribution indicated that the assemblage was a composite ornament that had gradually collapsed, partly due to the burying position. Our aim was to challenge time degradation and to reimagine the initial composition in order to best explore the significance of this symbolic category of material culture, not as mere group of beads, but as an ornamental creation with further aesthetic, artisanal and socioeconomic implications. The reconstruction results exceeded our expectations as it revealed an imposing multi-row necklace of complex structure and attractive design. Through multiple lines of evidence, we suggest that the necklace was created at Ba'ja, although significant parts of beads were made from exotic shells and stones, including fossil amber, an unprecedented material never attested before for this period. The retrieval of such an ornament from life and its attribution to a young dead child highlights the significant social status of this individual. Beyond the symbolic functions related to identity, the necklace is believed to have played a key role in performing the inhumation rituals, understood as a public event gathering families, relatives, and people from other villages. In this sense, the necklace is not seen as belonging completely to the realm of death but rather to the world of the living, materializing a collective memory and shared moments of emotions and social cohesion.ArchaeologyHub.CSIC 2022 Internal Research Grant (HA) https://archaeologyhub.csic.es/ - H2020 Marie Sklodowska-Curie Actions, grant number 846097 (HA) https://cordis.europa.eu/project/id/846097 - German Research Foundation (BO 1599/14-1; BO 1599/16-1) (MB, HGG) https://www.dfg.de/en/ - Franz-and Eva Rutzen Stiftung Foundation (MB) https://www.deutsches-stiftungszentrum.de/stiftungen/franz-und-eva-rutzen-stiftung - Junta de AndalucĂ­a (ConsejerĂ­a de EconomĂ­a, Conocimiento, Empresas y Universidad), under contract P20_01080 (CPO) https://www.juntadeandalucia.es/organismos/universidadinvestigacioneinnovacion.htm

    Ultrasound-Responsive Cavitation Nuclei for Therapy and Drug Delivery

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    Therapeutic ultrasound strategies that harness the mechanical activity of cavitation nuclei for beneficial tissue bio-effects are actively under development. The mechanical oscillations of circulating microbubbles, the most widely investigated cavitation nuclei, which may also encapsulate or shield a therapeutic agent in the bloodstream, trigger and promote localized uptake. Oscillating microbubbles can create stresses either on nearby tissue or in surrounding fluid to enhance drug penetration and efficacy in the brain, spinal cord, vasculature, immune system, biofilm or tumors. This review summarizes recent investigations that have elucidated interactions of ultrasound and cavitation nuclei with cells, the treatment of tumors, immunotherapy, the blood–brain and blood–spinal cord barriers, sonothrombolysis, cardiovascular drug delivery and sonobactericide. In particular, an overview of salient ultrasound features, drug delivery vehicles, therapeutic transport routes and pre-clinical and clinical studies is provided. Successful implementation of ultrasound and cavitation nuclei-mediated drug delivery has the potential to change the way drugs are administered systemically, resulting in more effective therapeutics and less-invasive treatments
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