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This article describes the origin of the rodent bait station, a globally distributed system for controlling rats, currently creating a secondary ecological crisis affecting wildlife who eat rats that have eaten the poison. I argue that this system is tied to settler colonial places like California and that banning poison will not address the crisis. It details the history of this box as a scientific ecological solution to rat control, created by Charles Elton and his research group during WWII. I pair this account with an account of contemporary science into the ecological crisis of rodenticides.
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Arsenic contamination in groundwater is a severe global problem, most notably in Southeast Asia where millions suffer from acute and chronic arsenic poisoning. Removing arsenic from groundwater in impoverished rural or urban areas without electricity and with no manufacturing infrastructure remains a significant challenge. Magnetite nanocrystals have proven to be useful in arsenic remediation and could feasibly be synthesized by a thermal decomposition method that employs refluxing of FeOOH and oleic acid in 1-octadecene in a laboratory setup. To reduce the initial cost of production, $US 2600/kg, and make this nanomaterial widely available, we suggest that inexpensive and accessible "everyday" chemicals be used. Here we show that it is possible to create functional and high-quality nanocrystals using methods appropriate for manufacturing in diverse and minimal infrastructure, even those without electricity. We suggest that the transfer of this knowledge is best achieved using an open source concept.
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Arsênio/química , Óxido Ferroso-Férrico/química , Nanopartículas Metálicas/química , Poluentes Químicos da Água/química , Purificação da Água/métodos , Água/química , Arsênio/análise , Nanotecnologia , Poluentes Químicos da Água/análise , Abastecimento de ÁguaRESUMO
This paper explores the case of using robots to simulate evolution, in particular the case of Hamilton's Law. The uses of robots raises several questions that this paper seeks to address. The first concerns the role of the robots in biological research: do they simulate something (life, evolution, sociality) or do they participate in something? The second question concerns the physicality of the robots: what difference does embodiment make to the role of the robot in these experiments. Thirdly, how do life, embodiment and social behavior relate in contemporary biology and why is it possible for robots to illuminate this relation? These questions are provoked by a strange similarity that has not been noted before: between the problem of simulation in philosophy of science, and Deleuze's reading of Plato on the relationship of ideas, copies and simulacra.
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Evolução Biológica , Robótica , Comportamento Social , HumanosRESUMO
BACKGROUND: This article provides a framework for disentangling the concept of participation, with emphasis on participation in genomic medicine. We have derived seven 'dimensions' of participation that are most frequently invoked in the extensive, heterogeneous literature on participation. To exemplify these dimensions, we use material from a database of 102 contemporary cases of participation, and focus here on cases specific to science and medicine. We describe the stakes of public participation in biomedical research, with a focus on genomic medicine and lay out the seven dimensions. DISCUSSION: We single out five cases of participation that have particular relevance to the field of genomic medicine, we apply the seven dimensions to show how we can differentiate among forms of participation within this domain. SUMMARY: We conclude with some provocations to researchers and some recommendations for taking variation in participation more seriously.
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Using long-term anthropological observations at the Center for Biological and Environmental Nanotechnology in Houston, Texas, the article demonstrates in detail the creation of new objects, new venues and new modes of veridiction which have reoriented the disciplines of materials chemistry and nanotoxicology. Beginning with the confusion surrounding the meaning of 'implications' and 'applications' the article explores the creation of new venues (CBEN and its offshoot the International Council on Nanotechnology); it then demonstrates how the demands for a responsible, safe or ethical science were translated into new research and experiment in and through these venues. Finally it shows how 'safety by design' emerged as a way to go beyond implications and applications, even as it introduced a whole new array of controversies concerning its viability, validity and legitimacy.