Most linguists have defined African-American Vernacular English (AAVE) as a regular and systematic form of vernacular language which contains distinctive grammatical and phonological features. AAVE is considered a social dialect or a non-standard variety of American English, which is spoken by the majority of African Americans. This article explores variability of the selected AAVE features in the interviews with ten African-American public figures, ranging from Hip Hop artists and blues musicians (Redman, Chuck D, Prodigy, MC Lyte, B.B. King) (...) to talk show hosts (Oprah Winfrey), from Hollywood actresses (Queen Latifah,Whoopi Goldberg) to former government officials (Colin Powell) and residents of the White House (Michelle Obama). The selected features of AAVE treated in this study include the absence of copula, the third person singular –s absence, the possessive –s absence, the plural –s absence, and the generalization of is and was to plural and second person pronouns.We consider the influence of social parameters (i.e., gender, age, social status, ethnicity, and affiliation with Hip Hop culture) on the degree of speech formality within a frame of interspeaker variation by examining the correlation between the frequencies of AAVE features and social factors of individual interviewees. The frequencies of individual AAVE variants are calculated into percentages which represent the levels of vernacular usage of each interviewee. Our results are then compared with the outcomes of previous sociolinguistic findings on external factors that have been reported to affect the degree of linguistic formality in a spoken discourse. (shrink)

An analysis of current biomedical research misconduct policy that proposes a new approach emphasizing the context of misconduct and improved oversight. Federal regulations that govern research misconduct in biomedicine have not been able to prevent an ongoing series of high-profile cases of fabricating, falsifying, or plagiarizing scientific research. In this book, Barbara Redman looks critically at current research misconduct policy and proposes a new approach that emphasizes institutional context and improved oversight. Current policy attempts to control risk at the (...) individual level. But Redman argues that a fair and effective policy must reflect the context in which the behavior in question is embedded. As journalists who covered many research misconduct cases observed, the roots of fraud “lie in the barrel, not in the bad apples that occasionally roll into view.” Drawing on literature in related fields—including moral psychology, the policy sciences, the organizational sciences, and law—as well as analyses of misconduct cases, Redman considers research misconduct from various perspectives. She also examines in detail a series of clinical research cases in which repeated misconduct went undetected and finds laxity of oversight, little attention to harm done, and inadequate correction of the scientific record. Study questions enhance the book's value for graduate and professional courses in research ethics. Redman argues that the goals of any research misconduct policy should be to protect scientific capital (knowledge, scientists, institutions, norms of science), support fair competition, contain harms to end users and to the public trust, and enable science to meet its societal obligations. (shrink)

Economists and other social scientists in this century have often supported economic arguments by referring to positions taken by philosophers of science. This important new book looks at the reliability of this practice and, in the process, provides economists, social scientists, and historians with the necessary background to discuss methodological matters with authority. Redman first presents an accurate, critical, yet neutral survey of the modern philosophy of science from the Vienna Circle to the present, focusing particularly on logical positivism, (...) sociological explanations of science (Polanyi, Fleck, Kuhn), the Popper family, and the history of science. She then deals with economic methodology in the twentieth century, looking at a wide range of methodological positions, especially those supported by positions from the philosophy of science. She considers the myth of the feasibility of falsification in economics and, within the context of its significance for economics, discusses the interpretation of Kuhn's philosophy of science as consensus and the danger such a view represents to science. Appendices review the history of the is-ought dispute and list economists whose first works deal with methodological topics. Comprehensive, readable, and accessible to those with little background knowledge, Redman's book will appeal to a wide range of social scientists and philosophers of science. (shrink)

A comprehensive bibliography of economic methodological works since 1860, this volume includes 2,244 entries divided into two primary sections. The first section covers works on economic methodology while Part Two deals with works on the philosophy of science. Many of the entries are annotated, including the classics in economic methodology, almost all of the books, and general works in the philosophy of science section. All other sections include an introduction to the topic and the articles collected under that heading.

Gentzen’s sequent calculi LK and LJ are landmark proof systems. They identify the structural rules of weakening and contraction as notable inference rules, and they allow for an elegant statement and proof of both cut elimination and consistency for classical and intuitionistic logics. Among the undesirable features of those sequent calculi is that their inferences rules are low-level and frequently permute over each other. As a result, large-scale structures within sequent calculus proofs are hard to identify. In this paper, we (...) present a different approach to designing a sequent calculus for classical logic. Starting with Gentzen’s LK proof system, we examine the proof search meaning of his inference rules and classify those rules as involving either don’t care nondeterminism or don’t know nondeterminism. Based on that classification, we design the focused proof system LKF in which inference rules belong to one of two phases of proof construction depending on which flavor of nondeterminism they involve. We then prove that the cut rule and the general form of the initial rule are admissible in LKF. Finally, by showing that the inference rules for LK are all admissible in LKF, we can give a relative completeness proof for LKF provability with respect to LK provability. We shall also apply these properties of the LKF proof system to establish other meta-theoretic properties of classical logic, including Herbrand’s theorem. (shrink)

Online science and engineering ethics (SEE) education can support appropriate goals for SEE and the highly interactive pedagogy that attains those goals. Recent work in moral psychology suggests pedagogical goals for SEE education that are surprisingly similar to goals enunciated by several panels in SEE. Classroom-based interactive study of SEE cases is a suitable method to achieve these goals. Well-designed cases, with appropriate goals and structure can be easily adapted to courses that have online components. It is less clear that (...) exclusively online methods can support the wide range of goals necessary to good moral pedagogy in SEE, though there seems no a priori reason to rule this out. Only careful, goal-based assessment of online case study SEE teaching can resolve this question. (shrink)

Silent gesture is not considered to be linguistic, on par with spoken and sign languages. It is claimed that silent gestures, unlike language, represent events holistically, without compositional structure. However, recent research has demonstrated that gesturers use consistent strategies when representing objects and events, and that there are behavioral and clinically relevant limits on what form a gesture may take to effect a particular meaning. This systematicity challenges a holistic interpretation of silent gesture, which predicts that there should be no (...) stable form‐meaning correspondence across event representations. Here, we demonstrate to the contrary that untrained gesturers systematically manipulate the form of their gestures when representing events with and without a theme (e.g., Someone popped the balloon vs. Someone walked), that is, transitive and intransitive events. We elicited silent gestures and annotated them for manual features active in coding transitivity distinctions in sign languages. We trained linear support vector machines to make item‐by‐item transitivity predictions based on these features. Prediction accuracy was good across the entire dataset, thus demonstrating that systematicity in silent gesture can be explained with recourse to subunits. We argue that handshape features are constructs co‐opted from cognitive systems subserving manual action production and comprehension for communicative purposes, which may integrate into the linguistic system of emerging sign languages. We further suggest that nonsigners tend to map event participants to each hand, a strategy found across genetically and geographically distinct sign languages, suggesting the strategy's cognitive foundation. (shrink)

The global production of radioactive wastes is expected to increase in the coming years as more countries have resorted to adopting nuclear power to decrease their reliance on fossil-fuel-generated energy. Discoveries of remediation methods that can remove radionuclides from radioactive wastes, including those discharged to the environment, are therefore vital to reduce risks-upon-exposure radionuclides posed to humans and wildlife. Among various remediation approaches available, microbe-mediated radionuclide remediation have limited reviews regarding their advances. This review provides an overview of the sources (...) and existing classification of radioactive wastes, followed by a brief introduction to existing radionuclide remediation (physical, chemical, and electrochemical) approaches. Microbe-mediated radionuclide remediation (bacterial, myco-, and phycoremediation) is then extensively discussed. Bacterial remediation involves biological processes like bioreduction, biosorption, and bioprecipitation. Bioreduction involves the reduction of water-soluble, mobile radionuclides to water-insoluble, immobile lower oxidation states by ferric iron-reducing, sulfate-reducing, and certain extremophilic bacteria, and in situ remediation has become possible by adding electron donors to contaminated waters to enrich indigenous iron- and sulfate-reducing bacteria populations. In biosorption, radionuclides are associated with functional groups on the microbial cell surface, followed by getting reduced to immobilized forms or precipitated intracellularly or extracellularly. Myco- and phycoremediation often involve processes like biosorption and bioaccumulation, where the former is influenced by pH and cell concentration. A Strengths, Weaknesses, Opportunities, and Threats (SWOT) analysis on microbial remediation is also performed. It is suggested that two research directions: genetic engineering of radiation-resistant microorganisms and co-application of microbe-mediated remediation with other remediation methods could potentially result in the discovery of in situ or ex situ microbe-involving radioactive waste remediation applications with high practicability. Finally, a comparison between the strengths and weaknesses of each approach is provided. (shrink)

This is the simple account of how and why you have been imagining yourself to be only a separate and limited being.

Down the rabbit hole -- Something to consider -- (W)hole in the all -- Now playing -- Collapsing polarities -- An allegory for our time -- Living as the void -- A cosmic conversation -- An awakening?

Is it possible to pay attention to that context? To exclude nothing from your awareness? Hillig explores that context and this possibility in this conversational little book.

This paper describes the major components of ImpactCS, a program to develop strategies and curriculum materials for integrating social and ethical considerations into the computer science curriculum. It presents, in particular, the content recommendations of a subcommittee of ImpactCS; and it illustrates the interdisciplinary nature of the field, drawing upon concepts from computer science, sociology, philosophy, psychology, history and economics.

It is a common assumption amongst theorists that the phenomenon of animal emotion supports the affect program theory of emotion. I argue that this assumption is mistaken by exploring two cases of animal emotion from studies in ethology: aggression in chimpanzees and fear in piping plovers. While the affect program theory fails to account for the cognitive complexity involved in each case, I do not argue for a cognitive theory of emotion. Instead, I suggest that paying attention to animal emotions (...) helps the emotion theorist avoid the dichotomy between the extreme versions of the affect program theory and cognitive theories. ‡My thanks to Bart Moffatt, Ben Schulz, Jessica Slind, Katie Plasiance, Ken Waters, Mark Borrello, Susan Hawthorne, and Toben Lafrancois for helpful comments on earlier drafts of this paper. †To contact the author, please write to: Department of Philosophy, University of Minnesota, Minneapolis, MN 55455; e-mail: [email protected]. (shrink)

The notion of representation has become ubiquitous throughout cognitive psychology, cognitive neuroscience and the cognitive sciences generally. This paper addresses the status of mental representations as entities that have been posited to explain cognition. I do so by examining similarities between mental representations and sense-data in both their characteristics and key arguments offered for each. I hope to show that more caution in the adoption and use of representations in explaining cognition is warranted. Moreover, by paying attention to problematic notions (...) of representations, a less problematic sense of representation might emerge. (shrink)

The philosophy of science can provide fruitful contributions to other areas of philosophy. In this paper, I argue that the application of work on the nature of theories helps to resolve a long-standing dispute on the philosophy of mind over mindreading. The Theory Theory and the Simulation Theory are two competing accounts of how it is that we explain and predict the actions and mental states of others. I discuss each view as well as some of their weaknesses. I suggest (...) that the difficulties each faces depend in part on the notion of theory supposed to be at issue. After introducing an alternative notion of theory, a model-based view, I try to show that the problems of both views are diminished and that a synthesis results. (shrink)

This paper attempts to clarify and justify the attribution of mental states to animals by focusing on two different conceptions of intentionality: instrumentalist and realist. I use each of these general views to interpret and discuss the behavior and cognitive states of piping plovers in order to provide a substantive way to frame the question of animal minds. I argue that attributing mental states to plovers is warranted for instrumentalists insofar as it is warranted for similar human behavior. For realists (...) about intentionality, the complexity, adaptability and flexibility of the plovers’ behavior, along with its ability to utilize the content of its representations and to satisfy the conditions of concept attribution, justifies attributing intentionality to plovers. Getting clearer on what is meant by animal minds, provides a better idea of what to look for in animal behavior. In many respects, investigating such phenomena is similar to investigations in other sciences. (shrink)

PurposeThe purpose of this paper is to present a four component model of ethical behavior that integrates literature in moral psychology, computing ethics, and virtue ethics as informed by research on moral exemplars in computing. This is part 2 of a two part contribution, part 1 having appeared in Vol. 6 No. 3.Design/methodology/approachThis psychologically based and philosophically informed model argues that moral action is grounded in relatively stable personality characteristics, guided by integration of morality into the self‐system, shaped by the (...) context of the surrounding moral ecology, and facilitated by morally relevant skills and knowledge.FindingsThe model seeks to explain the daily successful (and unsuccessful) performance of moral action by computing professionals and to provide groundwork for a pedagogy that emphasizes ethically effective performance.Practical implicationsThe model has significant implications for how ethical action to computer professionals and other design professionals might be taught. It also makes recommendations about what need to be measured to construct a complete picture of sustained ethical action in a profession.Originality/valueMost accepted models of ethical behavior are unidimensional, emphasizing either principled reasoning or a simplistic model of integrity/character. This model brings together a variety of disparate literatures in the light of its emphasis on sustained moral action in the profession. It thereby provides researchers and educators with a picture of what is needed to construct a complete understanding of moral action in the profession. (shrink)

Chuck Chakrapani ABSTRACT: Stoic Minimalism may be described as ‘just enough Stoicism.’ Just enough for what? Just enough to lead the good life. Just enough to cope with the stress of modern life. Just enough to not be rattled by the constant changes that characterize the times we live in. Just enough to be resilient ….

The accumulation of potentially toxic elements (PTEs) has raised public awareness due to harmful contamination to both human and marine creatures. This study was designed to determine the concentration of copper (Cu), zinc (Zn), cadmium (Cd), and nickel (Ni) in the intestine, kidney, muscle, gill, and liver tissues of local commercial edible fish, fourfinger threadfin (Eleutheronema tetradactylum), and black pomfret (Parastromateus niger) collected from Morib (M) and Kuala Selangor (KS). Among the studied PTEs, Cu and Zn were essential elements to (...) regulate body metabolism with certain dosages required while Cd and Ni were considered as non-essential elements that posed chronic and carcinogenic risk. The concentration of PTEs in fish tissue samples was analyzed using flame atomic absorption spectrometry (F-AAS). By comparing the concentration of PTEs in fish tissues as a bioindicator, the environmental risk of Morib was more serious than Kuala Selangor because both fish species collected from Morib resulted in a higher PTEs concentration. For an average 62 kg adult with a fish ingestion rate (FIR) of 0.16 kg/person/day in Malaysia, the estimated weekly intake (EWI) of Cd from the consumption of E. tetradactylum (M: 0.0135 mg/kg; KS: 0.0134 mg/kg) and P. niger (M: 0.0140 mg/kg; KS: 0.0132 mg/kg) had exceeded the provisional tolerable weekly intake (Cd: 0.007 mg/kg) established by the Joint FAO/WHO Expert Committee on Food Additives (JECFA) and oral reference dose (ORD) values of Cd (0.001 mg/kg/day) as provided by the United States Environmental Protection Agency (USEPA) regional screening level, thus it posed chronic risks for daily basis consumption. Besides, the value of the carcinogenic risk of Cd (0.7−3 to 0.8−3) and Ni (0.5−3 to 0.6−3) were in between the acceptable range (10−6 to 10−4) of the health index that indicates a relatively low possibility cancer occurrence to the consumers in both Morib and Kuala Selangor. This study recommended FIR to be 0.80 kg/person/day to reduce the possibility of posing chronic and carcinogenic risks while at the same time obtaining the essential nutrients from the fish. (shrink)

This article reflects on the relevance and applicability of the Belmont Report nearly four decades after its original publication. In an exploration of criticisms that have been raised in response to the report and of significant changes that have occurred within the context of biomedical research, five primary themes arise. These themes include the increasingly vague boundary between research and practice, unique harms to communities that are not addressed by the principle of respect for persons, and how growing complexity and (...) commodification in research have shed light on the importance of transparency. The repercussions of Belmont's emphasis on the protection of vulnerable populations is also explored, as is the relationship between the report's ethical principles and their applications. It is concluded that while the Belmont Report was an impressive response to the ethical issues of its day, the field of research ethics involving human subjects may have outgrown it. (shrink)

PurposeThe purpose of this paper is to present a four component model of ethical behavior (PRIMES) that integrates literature in moral psychology, computing ethics, and virtue ethics as informed by research on moral exemplars in computing. This is part 1 of a two‐part contribution.Design/methodology/approachThis psychologically based and philosophically informed model argues that moral action is: grounded in relatively stable PeRsonality characteristics (PR); guided by integration of morality into the self‐system; shaped by the context of the surrounding moral ecology; and facilitated (...) by morally relevant skills and knowledge (S).FindingsThe model seeks to explain the daily successful (and unsuccessful) performance of moral action by computing professionals and to provide groundwork for a pedagogy that emphasizes ethically effective performance.Practical implicationsThe model has significant implications for how ethical action might be taught to computer professionals and other design professionals. It also makes recommendations about what is needed to measure to construct a complete picture of sustained ethical action in a profession.Originality/valueMost accepted models of ethical behavior are unidimensional, emphasizing either principled reasoning or a simplistic model of integrity/character. This model brings together a variety of disparate literatures in the light of its emphasis on sustained moral action in the profession. It thereby provides researchers and educators with a picture of what is needed to construct a complete understanding of moral action in the profession. (shrink)

Si on analyse les stratégies publicitaires de la plateforme Netflix il devient possible de mieux comprendre le modèle de spectateur que celles-ci façonnent. En étudiant la comparaison avec la chaine câblée HBO mais aussi le matériel de la campagne promotionnelle TV Got Better, nous observons les promesses que Netflix adresse à son public potentiel (plénitude, participation, prestige et personnalisation) ainsi que son encouragement des pratiques de visionnement « en rafale ».

A recent National Academy report on research integrity noted that policies are not evidence-based, with no formal entity responsible to attend to this deficit. Here we describe four areas of research misconduct regulations governing Public Health Service funded research that are empirically and/or ethically questionable. Policies for human subject protection, RM and conflict of interest are not harmonized, making it extremely difficult to deal with complex cases which often contain allegations in all of these areas. Second, detection of RM has (...) depended entirely on whistleblowers in spite of evidence of significant under-reporting. Third, the scientific record is far from cleansed of the effects of falsified/fabricated work through current mechanisms of retraction. Finally, lack of fairness in the regulations may reflect lack of a Belmont Report-like document to guide ethics of RM policy. These issues are likely common in other countries. RM regulations should be harmonized with related regulations and their effectiveness tracked, open access to data for independent replication and improved statistical tests are an essential supplement to whistleblowers, correction of the scientific record will require a major effort, and further ethical analysis and guidance are as important as is empirical study for the improvement of RM regulations. Further consideration should be given to assigning current regulations for human subjects protection, RM and conflict of interest to a single authority and to the further development of a Belmont-like report of essential principles, for RM. (shrink)

Evolutionary explanations of psychological phenomena have become widespread. This paper examines a recent attempt by Nichols and Grantham (2000) to circumvent the problem of epiphenomenalism in establishing the selective status of consciousness. Nichols and Grantham (2000) argue that a case can be made for the view that consciousness is an adaptation based on its complexity. I set out this argument and argue that it fails to establish that phenomenal consciousness is a complex system. It is suggested that the goal of (...) establishing consciousness as an adaptation may be better served by rejecting the distinction between access consciousness and phenomenal consciousness. (shrink)

Although Newman felt that the conferral of the cardinalate lifted the cloud of suspicion forever, soon after his death his reputation came under another cloud: Modernism. This essay shows how Modernist concerns about the philosophical grounding of faith, Biblical interpretation, and the nature of dogmatic statements as presented by Pierre Batiffol and Marcel Hébert counter-pointed Newman’s idea of the development of doctrine.

The purpose of this article is to report what can be learned about nurses’ ethical conflicts by the systematic analysis of methodologically similar studies. Five studies were identified and analysed for: (1) the character of ethical conflicts experienced; (2) similarities and differences in how the conflicts were experienced and how they were resolved; and (3) ethical conflict themes underlying four specialty areas of nursing practice (diabetes education, paediatric nurse practitioner, rehabilitation and nephrology). The predominant character of the ethical conflicts was (...) disagreement with the quality of medical care given to patients. A significant number of ethical conflicts were experienced as ‘moral distress’, the resolution of which was variable, depending on the specialty area of practice. Ethical conflict themes underlying the specialty areas included: differences in the definition of adequacy of care among professionals, the institution and society; differences in the philosophical orientations of nurses, physicians and other health professionals involved in patient care; a lack of respect for the knowledge and expertise of nurses in specialty practice; and difficulty in carrying out the nurse’s advocacy role for patients. (shrink)

Over the years, ethylene-diamine-tetra-acetate (EDTA) has been widely used for many purposes. However, there are inadequate phytoassessment studies conducted using EDTA in Vetiver grass. Hence, this study evaluates the phytoassessment (growth performance, accumulation trends, and proficiency of metal uptake) of Vetiver grass, Vetiveria zizanioides (Linn.) Nash in both single and mixed heavy metal (Cd, Pb, Cu, and Zn)—disodium EDTA-enhanced contaminated soil. The plant growth, metal accumulation, and overall efficiency of metal uptake by different plant parts (lower root, upper root, lower (...) tiller, and upper tiller) were thoroughly examined. The relative growth performance, metal tolerance, and phytoassessment of heavy metal in roots and tillers of Vetiver grass were examined. Metals in plants were measured using the flame atomic absorption spectrometry (F-AAS) after acid digestion. The root-tiller (R/T) ratio, biological concentration factor (BCF), biological accumulation coefficient (BAC), tolerance index (TI), translocation factor (TF), and metal uptake efficacy were used to estimate the potential of metal accumulation and translocation in Vetiver grass. All accumulation of heavy metals were significantly higher (p < 0.05) in both lower and upper roots and tillers of Vetiver grass for Cd + Pb + Cu + Zn + EDTA treatments as compared with the control. The single Zn + EDTA treatment accumulated the highest overall total amount of Zn (8068 ± 407 mg/kg) while the highest accumulation for Cu (1977 ± 293 mg/kg) and Pb (1096 ± 75 mg/kg) were recorded in the mixed Cd + Pb + Cu + Zn + EDTA treatment, respectively. Generally, the overall heavy metal accumulation trends of Vetiver grass were in the order of Zn >>> Cu > Pb >> Cd for all treatments. Furthermore, both upper roots and tillers of Vetiver grass recorded high tendency of accumulation for appreciably greater amounts of all heavy metals, regardless of single and/or mixed metal treatments. Thus, Vetiver grass can be recommended as a potential phytoextractor for all types of heavy metals, whereby its tillers will act as the sink for heavy metal accumulation in the presence of EDTA for all treatments. (shrink)

We present a compact sequent calculus LKU for classical logic organized around the concept of polarization. Focused sequent calculi for classical, intuitionistic, and multiplicative–additive linear logics are derived as fragments of the host system by varying the sensitivity of specialized structural rules to polarity information. We identify a general set of criteria under which cut-elimination holds in such fragments. From cut-elimination we derive a unified proof of the completeness of focusing. Furthermore, each sublogic can interact with other fragments through cut. (...) We examine certain circumstances, for example, in which a classical lemma can be used in an intuitionistic proof while preserving intuitionistic provability. We also examine the possibility of defining classical–linear hybrid logics. (shrink)

Most phyto-remediation studies have been conducted merely on a single type of contaminant element without consideration of the influence of other co-existent contaminants. In this study, Vetiveria zizanioides (Linn.) Nash was evaluated in both single and mixed heavy metal (Cd, Pb, Cu and Zn) spiked contaminated soil. The plant growth, metal accumulation and overall efficiency of metal uptake by different plant parts (lower root, upper root, lower tiller and upper tiller) were investigated in detail. The relative growth performance, metal tolerance (...) and phyto-assessment of heavy metal in roots and tillers of Vetiver grass were assessed. Metals in plants were measured using the flame atomic absorption spectrometry (F-AAS) after acid digestion. The root-tiller (R/T) ratio, tolerance index (TI), translocation factor (TF), biological concentration factor (BCF), biological accumulation coefficient (BAC) and metal uptake efficacy were estimated to examine the ability of metal accumulation and translocation in Vetiver grass. No significant difference (p > 0.05) of plant height was observed among all single and mixed heavy metal spiked soils compared with the control. However, significantly higher (p < 0.05) heavy metal (Cd, Pb, Cu and Zn) accumulations were found in roots, tillers and overall total accumulation of the individual spiked metal as compared with other treatments. Vetiver grass grown in the mixed Cd + Pb + Cu + Zn spiked soils accumulated the highest Zn (3322 ± 21.6 mg/kg) followed by Cu (430 ± 11.4 mg/kg), Pb (197 ± 13.5 mg/kg) and Cd (100 ± 0.7 mg/kg). Vetiver grass grown in mixed Cd + Pb, Cu + Zn and Cd + Pb + Cu + Zn spiked soils accumulated higher heavy metal concentrations than from the single spiked soil with the following order of metals: Zn > > Cu > Pb > Cd. Moreover, lower roots and lower tillers of Vetiver grass revealed a strong tendency for greater uptake and accumulation of all four heavy metals in both single and/or mixed spiked contaminated soils. -/- . (shrink)

Every field of practice has the responsibility to evaluate its outcomes and to test its theories. Evidence of the underdevelopment of measurement instruments in bioethics suggests that attending to strengthening existing instruments and developing new ones will facilitate the interpretation of accumulating bodies of research as well as the making of clinical judgements. A review of 65 instruments reported in the published literature showed 10 with even a minimal level of psychometric data. Two newly developed instruments provide examples of the (...) full use of psychometric and ethical theory. Bioethicists use a wide range of methods for knowledge development and verification; each method should meet stringent standards of quality. (shrink)

In this paper, we consider how dignity is discursively constructed in the context of work dominated by physicality and dirt. Based on semi-structured interviews with garbage workers, our analysis considers how the deprivations they experience are cast through discourses intended to construct their individual and collective worth. We consider the manner in which dignity maybe denied to such workers through popular repudiations of individuality and status. We demonstrate how this positioning arises from contact with physical dirt, and associations with socially (...) dirty work based on ascriptions of servility, abuse and ambivalence. We go on to consider how garbage workers respond to this positioning through discourses of ‘everyday heroism’. Heroism is evoked through three inter-related narratives that speaks to a particular type of masculinity. The first takes the form of a classic process of reframing and recalibration through which workers not only renegotiate their public position and status, but also point to the inherent value to be had in working with dirt as part of that which we identify as a process of ‘affirmation’. The second narrative arises from the imposition of favourable social and occupational comparisons that effectively elevate garbage collectors’ social position. The third discourse—and previously unobserved in respect of garbage work—centres on paternalistic practices of care. Combined, these discourses disrupt the generally held view that dirty work is antithetical to heroism and wounds dignity. (shrink)

The central dogma of female reproductive biology has long held that oogenesis ceases prior to birth in mammals. During the first half of the last century, there was much debate about whether this was the case or whether oogenesis continued in the postnatal ovary. A report in 1951 effectively put an end to this debate and laid the foundation for the dogma. A new paper by Johnson et al. (2004)1 resurrects the debate over whether postnatal oogenesis occurs in the mammalian (...) ovary. If confirmed, this would have tremendous impact on issues related to female fertility and reproductive longevity. BioEssays 26:829–832, 2004. © 2004 Wiley Periodicals, Inc. (shrink)