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"An award-winning scientist and science educator takes readers on a tour of the world of shark research and conservation, explaining how to protect the world's most misunderstood animals and why we should do so"--
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An argument that social, political, and economic systems maintain power by discarding certain people, places, and things. Discard studies is an emerging field that looks at waste and wasting broadly construed. Rather than focusing on waste and trash as the primary objects of study, discard studies looks at wider systems of waste and wasting to explore how some materials, practices, regions, and people are valued or devalued, becoming dominant or disposable. In this book, Max Liboiron and Josh Lepawsky argue that social, political, and economic systems maintain power by discarding certain people, places, and things. They show how the theories and methods of discard studies can be applied in a...
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Jack Tar to Union Jack examines the intersection between empire, navy, and manhood in British society from 1870 to 1918. Through analysis of sources that include courts-martial cases, sailors’ own writings, and the HMS Pinafore, Conley charts new depictions of naval manhood during the Age of Empire, a period which witnessed the radical transformation of the navy, the intensification of imperial competition, the democratisation of British society, and the advent of mass culture. Jack Tar to Union Jack argues that popular representations of naval men increasingly reflected and informed imperial masculine ideals in Victorian and Edwardian Britain. Conley shows how the British Bluejacket as both patriotic defender and dutiful husband and father stood in sharp contrast to the stereotypic image of the brave but bawdy tar of the Georgian navy. This book will be essential reading for students of British imperial history, naval and military history, and gender studies.
This thesis addresses the question of how a highly energetic eddy field could be generated in the interior of the ocean away from the swift boundary currents. The energy radiation due to the temporal growth of non-trapped (radiating) disturbances in such a boundary current is thought to be one of the main sources for the described variability. The problem of stability of an energetic current, such as the Gulf Stream, is formulated. The study then focuses on the ability of the current to support radiating instabilities capable of significant penetration into the far-field and their development with time. The conventional model of the Gulf Stream as a zonal current is extended to allow the jet...
The possibility of contaminant related endocrine disruption in common terns from Bird Island, Massachusetts was suggested by the presence of ovarian cortical tissue (ovotestes) in male tern embryos. Our objectives were to document the presence of ovotestes in common terns from Bird Island and Nauset, a reference site, and to examine the relationship between environmental contaminants and ovotestes development. Total PCBs and bioassay-derived dioxin equivalents were significantly higher in Bird Island tern embryo yolk sacs than those from Nauset, but were highly variable at both sites. The percentage of male tern embryos with ovotestes at Bird Island (78%) and Nauset (60%) was high and not significantly different.