717 research outputs found
Richard Dawkins in conversation with Robyn Williams
No full textDawkins and Williams discuss the intricacies, the fascinating patterns and the anomalies produced by the process of evolution on earth.
At the Melbourne Town Hall, presented by the Melbourne Writers Festival, outspoken and influential author and scientist Richard Dawkins speaks to Robyn Williams (ABC RN) about the ideas underpinning his new book, The Greatest Show on Earth. They discuss the intricacies, the fascinating patterns and the anomalies produced by the process of evolution on earth. Dawkins then takes further questions from the audience about the theory of evolution, genetic determinism, the climate change denial movement and the place of religion in the world of science. Melbourne, March 2010.
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Farm to Fork Quantitative Microbial Risk Assessment for Norovirus on Frozen Strawberries
No full textFoodborne illness outbreaks have been increasingly linked to the consumption of fresh and frozen berries that were contaminated with pathogenic viruses, such as human norovirus (NoV). Contamination of berries is assumed to take place at harvest by the use of contaminated water for pesticide dilution, irrigation water source or by shedding berry pickers in the field. A quantitative microbial risk assessment simulation model was built to replicate the largest known NoV outbreak which sickened about 11,000 people over a 3-week period. The outbreak occurred in Germany in 2012 when contaminated frozen strawberries were served at nearly 400 schools and daycare centers. The risk model explicitly assumed that all contamination would arise from NoV contamination of surface water used for pesticide dilution. Input data was collected from the published literature, observational studies and assumptions. The model starts with contamination of the berries in the field, and proceeds through transportation to processing facility, washing, sanitizing, freezing, frozen transport to cargo ship, transport view of cargo ship, transport to distribution center, frozen storage at the distribution center, transport to the catering facility, food service preparation and consumption, dose response, and predicted illnesses. A total of 21 scenarios were chosen to evaluate the impact of model parameters on the number of illness associated with NoV contamination of berries. Scenarios evaluated include the initial level of NoV in surface water, the effect of seasonality on the prevalence of NoV in surface water, the strength of the pesticide used, the volume of water used to dilute the pesticide, temperature during transportation to processing facility, washing and sanitizing conditions at processing facility and preparation (heat-treatment) of berries prior to consumption. Scenarios were compared via the Factor Sensitivity technique where the logarithm of the ratio of mean illnesses was used to compare different assumptions. The input that had the greatest effect on increasing in the number of illnesses was a high NoV concentration in the water (8 log Genome Copies/L) when compared to the baseline scenario with resulting mean illnesses of 7,964 illnesses and ~2 illnesses, respectively. This assumption about the concentration of virus in the pesticide makeup water was the only variable capable of producing an outbreak similar to that observed in Germany in 2012. Heat-treatment of the berries, use of a pesticide with strong antiviral effect, and assumption about the virus concentration in the pesticide make-up water had the largest impact on decreasing illnesses.Peer reviewe
Re-appraisal of the stratigraphy and determination of new U-Pb dates for the Sterkfontein hominin site, South Africa
No full textSterkfontein Caves is the single richest early hominin site in the world with deposits yielding one or more species of Australopithecus and possible early Homo, as well as an extensive faunal collection. The inability to date the southern African cave sites accurately or precisely has hindered attempts to integrate the hominin fossil evidence into pan-African scenarios about human evolutionary history, and especially hominin biogeography. We have used U-Pb and U-Th techniques to date sheets of calcium carbonate flowstone inter-bedded between the fossiliferous sediments. For the first time, absolute age ranges can be assigned to the fossil-bearing deposits: Member 2 is between 2.8 ± 0.28 and 2.6 ± 0.30 Ma and Member 4 between 2.65 ± 0.30 and 2.01 ± 0.05 Ma. The age of 2.01 ± 0.05 Ma for the top of Member 4 constrains the last appearance of Australopithecus africanus to 2 Ma. In the Silberberg Grotto we have reproduced the U-Pb age of ∼2.2 Ma of for the flowstones associated with StW573. We believe that these deposits, including the fossil and the flowstones, accumulated rapidly around 2.2 Ma. The stratigraphy of the site is complex as sediments are exposed both in the underground chambers and at surface. We present a new interpretation of the stratigraphy based on surface mapping, boreholes logs and U-Pb ages. Every effort was made to retain the Member system, however, only Members 2 and 4 are recognized in the boreholes. We propose that the deposits formally known as Member 3 are in fact the distal equivalents of Member 4. The sediments of Members 2 and 4 consisted of cone-like deposits and probably never filled up the cave. The U-Th ages show that there are substantial deposits younger than 400 ka in the underground cave, underlying the older deposits, highlighting again that these cave fills are not simple layer-cakes
"Exploring Our Sexualities" - Noted Author and Activist Robyn Ochs to Present Workshop and Interactive Presentation at U of M Crookston on Wednesday, April 22, 2009
No full textTollefson, Elizabeth. (2009). "Exploring Our Sexualities" - Noted Author and Activist Robyn Ochs to Present Workshop and Interactive Presentation at U of M Crookston on Wednesday, April 22, 2009. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/222053
A case study of the design, implementation, and formative evaluation of a team development program for a women's swimming and diving team in a NCAA division I university setting
No full textThis dissertation reflects a case study of the process of the design, implementation and formative evaluation of a team development program conducted with a swimming and diving team consisting of twenty-three women at a NCAA Division I university during the 2008-2009 academic year. The dissertation was undertaken to contribute to the knowledge base about how team development programs can be designed and implemented in athletic settings. As a foundation for the dissertation, the participant observer role was used in conjunction with Maher's (2000) Program Planning and Evaluation (PP&E) Framework and Maher's (2004) Student-Athlete Pyramid of Development. Relying on these approaches as procedural and technical guidance, a framework of knowledge, skills and abilities was formulated and then put into an evaluable programmatic form to assist the student-athletes on the team with interpersonal communication, within the team context. This dissertation explores how the PP&E Framework can be coupled with some of the levels of the Student-Athlete Pyramid of Development along with knowledge about team development from business, military, and sport to assist an athletic team in learning to communicate constructively. Formative evaluation data is provided from participating team members and the coaching staff about the actual and potential value of this kind of program. Finally, conclusions and recommendations are offered for the possible design and implementation of similar team development programs in athletic, business, and other contexts.Psy.DIncludes bibliographical references (p. 119-126)by Robyn L. OdegaardIncludes abstrac
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Woman as Object
No full textThis paper discusses the creation process of thirteen works by the author addressing women's issues using mannequins of actual women as a metaphor. Robyn Beirman Jamison discusses interviewing and photographing the women, creating the works, and the imagery of objectification of women by society
Musical score, "Haste Love," for voice and piano. Words by Minnie Gilmore, music by Alfred G. Robyn. Balmer and Weber Music House Company, c. 1892
No full textPatrick Gilmore's daughter, Minnie L. Gilmore, was an author in her own right. Her published works include "Songs from the Wings," "Pipes from the Prairieland," "A Son of Esau," and "The Woman Who Stood Between." One of her verses, from "Songs from the Wings," is entitled "To my father--Patrick Sarsfield Gilmore": "Though he is dead, I still may do/ Him honor, by a life akin/ To that pure life my childhood knew,/ His fatherheart within./ And for the true musician's place,/ You claimed a throne beside the priest;/ Since both, you said, redeemed the base,/ And blessed both great and least." In this song, her verse was set to music by Alfred George Robyn (1860-1935) a composer of light opera and founder of the Marion English Opera Company in New York. Balmer and Weber Music House Company, [c.] 1892
Reseñas
No full textObra ressenyada: Robyn S. METCALFE, Meat, Commerce and the City: The London food market, 1800-1850. Londres: Pickering & Chatto Publishers, 2012
Reseñas
No full textObra ressenyada: Robyn S. METCALFE, Meat, Commerce and the City: The London food market, 1800-1850. Londres: Pickering & Chatto Publishers, 2012
Combining Scholarship, Teaching, and Learning: A Qualitative Study
No full textAbstract
Date Presented 3/31/2017
This session will reveal results of student participation in the Centralized Service Learning Model (CSLM), a course design framework that facilitates creative and active learning opportunities in the community through service. Results support the effectiveness of the CSLM as a viable teaching model to influence student learning.
Primary Author and Speaker: Lauren Milton
Additional Authors and Speakers: Robyn Otty</jats:p
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