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"Goodman, David"
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Vitelline Warbler (Setophaga vitellina) songs, calls, and habitat preferences: novel acoustic descriptions of a range-restricted Caribbean songbird
The Vitelline Warbler ( Setophaga vitellina ) is an understudied species endemic to a few small islands in the western Caribbean. Little is known beyond its phylogenetic relationship to other New World warblers. We used island-wide surveys and bioacoustic recordings to investigate the distribution, vocalizations, and ecology of S. vitellina across a significant portion of the species’ range on Little Cayman Island. We recorded 417 songs from 91 individuals and analyzed the length, frequency, and shape of various song components. We observed and characterized high variation in the composition and character of songs within the Little Cayman population. We also describe the call of the species and use sound files from across the species’ range to compare vocalizations between islands. Vitelline Warbler abundance is highest in dry forest and dry scrub habitats, suggesting that these habitats are most important for the species. Elaboration of the vocalizations of understudied species like the Vitelline Warbler has the potential to further our understanding of avian evolution and behavior. As much still remains to be learned from this species, action must be taken to protect its critical habitats, especially dry forests, among other conservation measures.
Journal Article
Insulin-producing organoids engineered from islet and amniotic epithelial cells to treat diabetes
Maintaining long-term euglycemia after intraportal islet transplantation is hampered by the considerable islet loss in the peri-transplant period attributed to inflammation, ischemia and poor angiogenesis. Here, we show that viable and functional islet organoids can be successfully generated from dissociated islet cells (ICs) and human amniotic epithelial cells (hAECs). Incorporation of hAECs into islet organoids markedly enhances engraftment, viability and graft function in a mouse type 1 diabetes model. Our results demonstrate that the integration of hAECs into islet cell organoids has great potential in the development of cell-based therapies for type 1 diabetes. Engineering of functional mini-organs using this strategy will allow the exploration of more favorable implantation sites, and can be expanded to unlimited (stem-cell-derived or xenogeneic) sources of insulin-producing cells.
Islet transplantation is a feasible approach to treat type I diabetes, however inflammation and poor vascularisation impair long-term engraftment. Here the authors show that incorporating human amniotic epithelial cells into islet organoids improves engraftment and function of organoids, through enhanced revascularisation.
Journal Article
Alternative Food Networks
Farmers' markets, veggie boxes, local foods, organic products and Fair Trade goods - how have these once novel, \"alternative\" foods, and the people and networks supporting them, become increasingly familiar features of everyday consumption? Are the visions of \"alternative worlds\" built on ethics of sustainability, social justice, animal welfare and the aesthetic values of local food cultures and traditional crafts still credible now that these foods crowd supermarket shelves and other \"mainstream\" shopping outlets?
This timely book provides a critical review of the growth of alternative food networks and their struggle to defend their ethical and aesthetic values against the standardizing pressures of the corporate mainstream with its \"placeless and nameless\" global supply networks. It explores how these alternative movements are \"making a difference\" and their possible role as fears of global climate change and food insecurity intensify. It assesses the different experiences of these networks in three major arenas of food activism and politics: Britain and Western Europe, the United States, and the global Fair Trade economy. This comparative perspective runs throughout the book to fully explore the progressive erosion of the interface between alternative and mainstream food provisioning. As the era of \"cheap food\" draws to a close, analysis of the limitations of market-based social change and the future of alternative food economies and localist food politics place this book at the cutting-edge of the field.
The book is thoroughly informed by contemporary social theory and interdisciplinary social scientific scholarship, formulates an integrative social practice framework to understand alternative food production-consumption, and offers a unique geographical reach in its case studies.
eBook
Middle class China : identity and behaviour
A general expectation has developed that China's middle class will generate not only social but also political change. This expectation often overlooks the reality that there is no single Chinese middle class with a common identity or will to action. This timely volume examines the behaviour and identity of the different elements of China's middle class entrepreneurs, managers, and professionals in order to understand their centrality to the wider processes of social and political change in China. The expert contributors seek to identify the social space occupied by the Chinese middle class rather than identifying social backgrounds and attitudes. In so doing they explore socio-political issues, the development of a consumer society, relationships between gender and class in the workplace, home-ownership and the appearance of gated communities, and the political interaction between the Party-state and the entrepreneurial middle classes and their impact on the new institutional economics. Providing a more nuanced understanding of the structure of the middle class in China and identifying dynamic elements in their behaviour, this unique book will prove a fascinating and thought provoking read for academics, students and researchers with an interest in Asian studies and public policy.
Book
Trends in neonatal intensive care unit admissions by race/ethnicity in the United States, 2008–2018
To examine temporal trends of NICU admissions in the U.S. by race/ethnicity, we conducted a retrospective cohort analysis using natality files provided by the National Center for Health Statistics at the U.S. Centers for Disease Control and Prevention. A total of 38,011,843 births in 2008–2018 were included. Crude and risk-adjusted NICU admission rates, overall and stratified by birth weight group, were compared between white, black, and Hispanic infants. Crude NICU admission rates increased from 6.62% (95% CI 6.59–6.65) to 9.07% (95% CI 9.04–9.10) between 2008 and 2018. The largest percentage increase was observed among Hispanic infants (51.4%) compared to white (29.1%) and black (32.4%) infants. Overall risk-adjusted rates differed little by race/ethnicity, but birth weight-stratified analysis revealed that racial/ethnic differences diminished in the very low birth weight (< 1500 g) and moderately low birth weight (1500–2499 g) groups. Overall NICU admission rates increased by 37% from 2008 to 2018, and the increasing trends were observed among all racial and ethnic groups. Diminished racial/ethnic differences in NICU admission rates in very low birth weight infants may reflect improved access to timely appropriate NICU care among high-risk infants through increasing health care coverage coupled with growing NICU supply.
Journal Article
The tangram puzzle book
\"The Tangram is one of the most ancient puzzles in the world, focused on deciphering silhouettes composed with the seven pieces. This book presents a collection of totally different types of puzzles. The puzzles we present here use the pieces as building blocks only, and present many versatile challenges, from all types of recreational mathematics fields. For example, here you will find symmetry puzzles, cover-up puzzles and even a Poker-related puzzle. In several puzzles we will use not all seven pieces but a subset of them, and there are also puzzles for which you will need to join all pieces from two Tangram sets. From the moment we changed the rules (using the seven pieces to decipher silhouettes) we felt that the sky is the limit! There is something magical and enchanting in those seven pieces that enabled us to find many puzzles and challenges! Almost all the puzzles presented are new, unique and original. Some are based on classic puzzles, as well as more modern ones, modified and presented with using the set of Tangram pieces\"-- Provided by publisher.
Book
A wall or a road? A remote sensing-based investigation of fortifications on Rome's eastern frontier
During a pioneering aerial survey of the Near East in the 1920s, Father Antoine Poidebard recorded hundreds of fortified military buildings that traced the eastern frontier of the Roman Empire. Based on their distribution, Poidebard proposed that these forts represented a line of defence against incursions from the east. Utilising declassified images from the CORONA and HEXAGON spy satellite programmes, the authors report on the identification of a further 396 forts widely distributed across the northern Fertile Crescent. The addition of these forts questions Poidebard's defensive frontier thesis and suggests instead that the structures played a role in facilitating the movement of people and goods across the Syrian steppe.
Journal Article