I Just Want To Be Me, Authentically : Identity Shifting Among Racially and Ethnically Diverse Young Adults

Identity shifting represents a common but complex social, behavioral, and cognitive phenomenon. However, some forms of identity shifting originate in response to structural, institutional, and interpersonal marginalization enacted on lower status groups, such as people of color in the United States. The current study investigated ways young adults from diverse ethnic/racial groups discussed shifting to fit in with White Americans (a dominant group) in the United States and their own ethnic/racial group (a minoritized group) and elucidated self-reported motivations for shifting. Participants consisted of 764 young adults (ages = 18–23) recruited from two large public universities in the Southeast and Southwest regions of the United States. The majority of participants identified as Black/African American (41%), Asian/Asian American (27%), or Hispanic/Latinx (22%). Analysis of participants’ qualitative responses identified six types of shifts and two motivations for shifting. The shifts included: behavioral, linguistic, cognitive, physical, food, and affect. Motivations for shifting focused on avoiding risks and obtaining rewards. The discussion offers interpretation of the results and recommendations for future research on identity shifting

Crosswind Kite Control - A Benchmark Problem for Advanced Control and Dynamic Optimization

This article presents a kite control and optimization problem intended as a benchmark problem for advanced control and optimization. We provide an entry point to this exciting renewable energy system for researchers in control and optimization methods looking for a realistic test bench, and/or a useful application case for their theory. The benchmark problem in this paper can be studied in simulation, and a complete Simulink model is provided to facilitate this. The simulated scenario, which reproduces many of the challenges presented by a real system, is based on experimental studies from the literature, industrial data and the first author’s own experience in experimental kite control. In par- ticular, an experimentally validated wind turbulence model is included, which subjects the kite to realistic disturbances. The benchmark problem is that of controlling a kite such that the average line tension is maximized. Two different models are provided: A more comprehensive one is used to simulate the ’plant’, while a simpler ’model’ is used to design and implement control and optimization strategies. This way, uncertainty is present in the form of plant-model mismatch. The outputs of the plant are corrupted by measurement noise. The maximum achievable average line tension for the plant is calculated, which should facilitate the performance comparison of different algorithms. A simple control strategy is implemented on the plant and found to be quite suboptimal, even if the free parameters of the algorithm are well tuned. An open question is whether or not more advanced control algorithms could do better

Waging peace: militarising pacifism in Central Africa and the problem of geography, 1962

Despite the discipline having undergone a ‘peace turn’ in recent years, the history of the peace movement itself remains curiously under explored by geographers. This paper retraces the World Peace Brigade and its collaboration with the Northern Rhodesian independence movement in 1962. I argue that the Brigade offers geographers important insights into how ideas of peace have been circulated, adapted and even resisted. The paper suggests that geography poses a distinct conceptual problem for peace movements, which must simultaneously operate beyond conventional forms of territorial politics while remaining sufficiently flexible in the political arena for their strength and relevance. In Central Africa this meant the Brigade developed two, ultimately incompatible, conceptions of peace: an internationalist one that stressed world community, and a local one that adapted pacifism for nationalist movements. I suggest this case study has two implications for peace research in geography. First, it encourages us to remain attentive to the big stories of peace and, specifically, the way in which the peace movement has been a historically important conduit for a range of internationalist ideas. Second, the histories of waging peace (peace armies, civil disobedience, etc.) allow us to critically interrogate the co-constitutive geographies of violence and nonviolence while retaining peace as a distinct category around which to promote political engagement

Dynamic mechanical thermal analysis of aqueous sugar solutions containing fructose, glucose, sucrose, maltose and lactose

The glass transition of glucose, fructose, lactose, maltose and sucrose solutions at maximum cryo-concentration was studied by Dynamic Mechanical Thermal Analysis (DMTA), using the disc bending technique. The glass transition temperatures were determined from the peaks in the loss modulus E′′, which corresponds theoretically to the resonance point (Maxwell model) for several input frequencies. The frequency dependence was well described by both an Arrhenius-type model and by the WLF (Williams, Landel and Ferry) equation, yielding glass transition temperatures for an average molecular vibration time of 100 s, which were similar to published midpoint temperatures determined by DSC scans. Some sugar mixtures were studied, yielding results that were well described by the Gordon–Taylor equation, using literature data. The frequency dependence of the viscoelastic ratio was also well approximated by an Arrhenius-type equation, with activation energies similar to those of the glass transition temperature and corresponded well to published values of the endset of glass transition

The Lunacy Commission.

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Violent Inaction: The Necropolitical Experience of Refugees In Europe

A significant outcome of the global crisis for refugees has been the abandonment of refugees to survive in makeshift camps inside the EU. This paper details how state authorities have prevented refugees from surviving with formal provision, leading directly to thousands having to live in hazardous spaces such as the informal camp in Calais, the site of this study. We then explore the violent consequences of this abandonment. By bringing together thus far poorly integrated literatures on bio/necropolitics (Foucault 1997, Mbembe 2003) and structural violence (Galtung 1969), we trace the connections between deliberate political indifference towards refugees and the physiological violence they suffer. In framing the management of refugees as a series of violent inactions, we demonstrate how the biopolitics of migrant control has given way to necropolitical brutality. Advancing geographies of migration, the paper argues that political inaction, as well as action, can be used as a means of control

7/7: A reflexive re-evaluation of journalistic practice

The suicide bombings of 7 July 2005 remain the most serious terror attacks in the United Kingdom to date in the so-called ‘war on terror’. Much has been published on the war on terror but few journalists have reflected on their practice post 9/11 and none on their domestic coverage of the 7/7 attacks. This article is written by a journalist who covered the London bombings for a UK national newspaper and more recently is a practitioner-academic. Using academic texts focusing on the domestic reporting of the war on terror as stimuli for scholarly reflection, this article reviews the author’s own coverage using reflexive practice and content analysis. This article places 7/7 in the continuum of reporting subsequent to 11 September 2001 (9/11) and issues discussed. Some 63 authored articles were considered from the period. Scholarly texts have proposed a range of concepts to analyse coverage from including political ritual, trauma, national wound and hegemony. This article concludes by noting that while many academic texts see coverage of terrorism as an elite discourse, dominated by political economy drivers and responding to events in a homogeneous reactivity, in practice, news organisations can have complex responses and journalists, agency in their coverage of major terrorism events

Dopamine D3 receptor dysfunction prevents anti-nociceptive effects of morphine in the spinal cord

Abstract Dopamine (DA) modulates spinal reflexes, including nociceptive reflexes, in part via the D3 receptor subtype. We have previously shown that mice lacking the functional D3 receptor (D3KO) exhibit decreased paw withdrawal latencies from painful thermal stimuli. Altering the DA system in the CNS, including D1 and D3 receptor systems, reduces the ability of opioids to provide analgesia. Here, we tested if the increased pain sensitivity in D3KO might result from a modified μ-opioid receptor (MOR) function at the spinal cord level. As D1 and D3 receptor subtypes have competing cellular effects and can form heterodimers, we tested if the changes in MOR function may be mediated in D3KO through the functionally intact D1 receptor system. We assessed thermal paw withdrawal latencies in D3KO and wild type (WT) mice before and after systemic treatment with morphine, determined MOR and phosphorylated MOR (p-MOR) protein expression levels in lumbar spinal cords, and tested the functional effects of DA and MOR receptor agonists in the isolated spinal cord. In vivo, a single morphine administration (2 mg/kg) increased withdrawal latencies in WT but not D3KO, and these differential effects were mimicked in vitro, where morphine modulated spinal reflex amplitudes (SRAs) in WT but not D3KO. Total MOR protein expression levels were similar between WT and D3KO, but the ratio of pMOR/total MOR was higher in D3KO. Blocking D3 receptors in the isolated WT cord precluded morphine's inhibitory effects observed under control conditions. Lastly, we observed an increase in D1 receptor protein expression in the lumbar spinal cord of D3KO. Our data suggest that the D3 receptor modulates the MOR system in the spinal cord, and that a dysfunction of the D3 receptor can induce a morphine-resistant state. We propose that the D3KO mouse may serve as a model to study the onset of morphine resistance at the spinal cord level, the primary processing site of the nociceptive pathway