131,758 research outputs found
A Statue of Queen Anne and an Indian at St. Paul's: North American 'Indians' and British Modernity
No full textHow did 18th century British myths and fantasies about Indigenous people in the Americas inform and shape the growth of its financialized empire? In this episode of the Counterspeculations audio tour, originally recorded at the base of the statue of Queen Anne which stands in front of St. Paul's Cathedral, Robbie Richardson presents on "North American Indians and 'British' Modernity.
Truth, purification and power: Foucault's genealogy of purity and impurity in and after The Will to Know lectures
No full textFoucault’s 1970–71 lectures at the Collège de France, The Will to Know, highlight the significance of themes of purity and impurity in Western thought. Reflecting on these themes coincided with the emergence of Foucault’s theory of power. This article presents the first analysis of Foucault’s investigation of purity and impurity in The Will to Know lectures, identifying the distinctive theory Foucault offers of purity as a discursive apparatus addressing correspondence between the subject and the truth through the image of relative integrity or mixture. It then traces Foucault’s subsequent reflections on these themes in his later writings on disciplinary power. The implications of Foucault’s position are considered; the article will close by putting Foucault’s ideas in dialogue with those of Kristeva, and in considering the role that purity and impurity may play in resistance
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Analysis and manipulation of the structure of odor plumes from a Piezo-electric release system and measurements of upwind flight of male Almond moths, Cadra cautella, to pheromone plumes
No full textWe investigated the plume structure of a piezo-electric sprayer system, set up to release ethanol in a wind tunnel, using a fast response mini-photoionizaton detector. We recorded the plume structure of four different piezo-sprayer configurations: the sprayer alone; with a 1.6-mm steel mesh shield; with a 3.2-mm steel mesh shield; and with a 5 cm circular upwind baffle. We measured a 12?×?12-mm core at the center of the plume, and both a horizontal and vertical cross-section of the plume, all at 100-, 200-, and 400-mm downwind of the odor source. Significant differences in plume structure were found among all configurations in terms of conditional relative mean concentration, intermittency, ratio of peak concentration to conditional mean concentration, and cross-sectional area of the plume. We then measured the flight responses of the almond moth, Cadra cautella, to odor plumes generated with the sprayer alone, and with the upwind baffle piezo-sprayer configuration, releasing a 13:1 ratio of (9Z,12E)-tetradecadienyl acetate and (Z)-9-tetradecenyl acetate diluted in ethanol at release rates of 1, 10, 100, and 1,000 pg/min. For each configuration, differences in pheromone release rate resulted in significant differences in the proportions of moths performing oriented flight and landing behaviors. Additionally, there were apparent differences in the moths’ behaviors between the two sprayer configurations, although this requires confirmation with further experiments. This study provides evidence that both pheromone concentration and plume structure affect moth orientation behavior and demonstrates that care is needed when setting up experiments that use a piezo-electric release system to ensure the optimal conditions for behavioral observations. <br/
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Analysis of the courtship behavior of the Navel Orangeworm, Amyelois transitella (Walker) (Lepidoptera: Pyralidae), with a commentary on methods for the analysis of sequences of behavioral transitions
No full textThe courtship behavior of the navel orangeworm, Amyelois transitella, was examined in a wind tunnel. Sixty nine courtship sequences were analyzed and successful sequences divided into two categories: rapid courtship sequences, which involved few breaks in contact, short or no periods of male/female chasing and lasted <10 s between initial contact and mating; and prolonged courtship sequences, which involved many breaks in contact, extended periods of male/female chasing and lasted >10 s. Fifty six (81%) courtships were successful (50.7% rapid courtship and 30.4% prolonged courtship); the remaining 13 (18.8%) sequences were failed courtships. Of failed courtships, 9 (13.0%) were due to males losing contact with females during courtship chases and 4 (5.8%) due to females flying away immediately after male contact. Of all courtship sequences involving a break in contact during a chase, 38.5% resulted in an unsuccessful mating attempt. These findings contrast with previous studies of the courtship behavior of the navel orangeworm, potentially indicating that the type of bioassay used to study courtship may have a large effect on the behavioral sequences displayed. We evaluate several diagnostic techniques for the analysis of sequences of behavioral transitions.<br/
"Open the Gates Mek We Repatriate": Caribbean slavery, constructivism, and hermeneutic tensions
No full textThis is a post-peer-review, pre-copy edit version of an article published in International Theory. The definitive publisher-authenticated version: Shilliam, Robbie. "“Open the Gates Mek We Repatriate”: Caribbean slavery, constructivism, and hermeneutic tensions." International Theory 6.02 (2014): 349-372 is available online at: http://dx.doi.org/10.1017/S1752971914000165© 2015, Cambridge University Press
Ritual: What It Is, How It Works, and Why (2022): By Robbie Davis-Floyd and Charles D. Laughlin
No full textReview of
ROBBIE DAVIS-FLOYD AND CHARLES D. LAUGHLIN,2022, Ritual: What It Is, How It Works, and Why, New York: Berghahn Books, 322 pp., ISBN 978-1-80073-528-6
1ROBBIE DAVIS-FLOYD AND CHARLES D. LAUGHLIN,2022, Ritual: What It Is, How It Works, and Why, New York: Berghahn Books, 322 pp., ISBN 978-1-80073-528-
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Observations on the flight paths of the day-flying moth Virbia lamae during periods of mate location: do males have a strategy for contacting the pheromone plume?
No full text1.?To maximize the probability of rapid contact with a female’s pheromone plume, the trajectories of male foraging flights might be expected to be directed with respect to wind flow and also to be energetically efficient.2.?Flights directed either upwind, downwind, or crosswind have been proposed as optimal strategies for rapid and/or energetically efficient plume contact. Other possible strategies are random and Lévy walks, which have trajectories and turn frequencies that are not dictated by the direction of wind flow.3.?The planar flight paths of males of the day-active moth Virbia lamae were recorded during the customary time of its sexual activity.4.?We found no directional preference in these foraging flights with respect to the direction of contemporaneous wind flow, but, because crosswind encompasses twice the possible orientations of either upwind or downwind, a random orientation is in effect a de facto crosswind strategy.5.?A crosswind preference should be favoured when the plume extends farther downwind than crosswind, and this strategy is realized by V. lamae males by a random orientation of their trajectories with respect to current wind direction.<br/
The 2010 UK Home Office ‘Sexualisation of Young People’ Review: a discursive policy analysis
No full textThis paper offers a discursive policy analysis of the 2010 UK Home Office Sexualisation of Young People Review, authored by Linda Papadopoulos (2010a). It will scrutinise the narrative presented by the text of the danger posed by cultural representations to healthy development, and trace the way that the text links this danger to catastrophic outcomes: child sexual abuse, exploitation and trafficking. Examining this narrative, the article will propose that the UK Review deploys spatial metaphors to naturalise a gendered account of childhood, sexuality and danger, evoking the creeping influence of a corrupting culture on a girl's most private self. The article will also demonstrate that this spatial narrative underpins the epistemological structure of the text – its separation of the primary from the secondary, the real from the artificial
Robbie Smith at Pelican Shoal Shallow Site, 25 Feet, October 29, 1997, D
No full textDiver Robbie Smith marks a quadrant at the Pelican Shoal Shallow Site, 25 feet, on October 29, 1997. Coral, sand, and vegetation are visible.https://digitalcommons.usf.edu/ogden23_images/1105/thumbnail.jp
MeSH term explosion and author rank improve expert recommendations
No full textInformation overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank
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