2,138 research outputs found

    Scientists Have Been Out for Some Time Now: A Response to Sonia Shah

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    Sonia Shah\u27s categorization of the scientific community as having been by and large. impassively unmoved [by human rights], churning out their papers, applying for grants and debating esoterica at their private professional meetings is grossly inaccurate on at least two accounts

    Acute effects of whole body vibration exercises with various frequencies and amplitudes on arterial stiffness in males

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    The purposes of the study were: 1) To examine the acute effects of dynamic whole body vibration (WBV) training on small and large arterial stiffness; 2) To examine the effects of different frequency and amplitude protocols in heart rate (HR), systolic and diastolic blood pressure, mean arterial pressure (MAP), cardiac output (CO), and stroke volume (SV); 3) Identify the best WBV protocol to decrease acutely arterial stiffness

    True-self and the uses and gratifications of Instagram among college-aged females

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    With more than 300 million daily users, Instagram has rapidly become one of the most widely used social networking apps worldwide. This study investigates relationships between motivations for using Instagram, whether users are portraying their true-selves and how their usage affects life satisfaction and well-being. A quantitative survey was used to collect data from 200 students at the University of Nevada at Las Vegas students. Participants were asked to provide answers regarding their habits for using Instagram, whether their online portrayal of self reflected their true self and determine overall life satisfaction. The motives studied in this research include: interpersonal communication, entertainment, information seeking, diversion and identity (Sheldon and Bryant 2015; Ting 2014; Papacharissi and Mendelson 2011; Sundar and Limperos 2013). The research question asked if there was a relationship between gender and usage of Instagram, results indicated there was less than one percent difference in usage among gender. Results support the hypothesis that there was a significant, positive relationship between the presentation of true self and life satisfaction. Other notable findings include the merging of two uses and gratification factors to become identity and social affinity; negative relationships between true-self and escape motive; and a negative relationship between the escape motive and life satisfaction

    My O\u27Keefe

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    Protecting Human Rights in Conflict

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    The Just War Theory of Jus in Bello is the international community’s attempt to ensure respect for human rights and human welfare during armed conflicts. The principle of proportionality and the obligation to distinguish between combatants and civilians in attacks are two related notions that are fundamental to the protection of human rights during conflict. The principle of proportionality limits the amount of violence and destruction that is morally permissible. By contrast, the principle of discrimination (or distinction) discriminates between legitimate targets, such as soldiers and weapons depots, and illegitimate targets, specifically noncombatants such as civilian populations and their property

    Peace Without Justice, or Justice Without Peace?

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    Peace without justice is an illusion. The use of the International Criminal Court (ICC) to investigate and prosecute human rights violations not only provides restorative justice for those harmed by the wrongdoing but also retributive justice towards the perpetrators. Restorative justice seeks to help heal the wounds of the victims and community by acknowledging and witnessing the pain and suffering of the victim. Retributive justice seeks to punish the offenders. The hope is that retribution will deter or prevent future acts of violence by holding perpetrators accountable for the violations of human rights, genocide, war crimes, and crimes against humanity. Many people believe that the path to justice is through criminal prosecution of the offenders. McDonell succinctly summarizes the relationship between restorative and retributive justice when he describes the victim’s viewpoint as follows: “if peace comes, and I know the person who killed my brother, raped my sister, killed my mother, how can I live with this person?” Seeking justice by ending the impunity for crimes and seeking redress for the victims is the only way to build a stable long-lasting peace. Such justice allows for social reconciliation, restoration and perhaps forgiveness

    The Investigatory Stop of Motor Vehicles in New Mexico

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    Nocturnal Processing Of Nitrogen Oxide Pollution At High Latitudes: Off-Axis Cavity Ring-Down Spectroscopy Method Development And Field Measurement Results

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    Thesis (Ph.D.) University of Alaska Fairbanks, 2008Nitrogen oxides, or NOx, play a central role in ozone and nitric acid (HNO3) pollution in the troposphere. Reactions of nitrate radical (NO3) and dinitrogen pentoxide (N2O 5) result in the removal of NOx and ozone from the nighttime atmosphere. In this thesis, we describe the configuration, operation, and performance of an off-axis cavity ring-down spectroscopy (oa-CRDS) field instrument designed for measuring NO3 and N2O5. Furthermore, we report results of an N2O5 instrument intercomparison conducted using an atmospheric simulation chamber in Julich, Germany. The results of the intercomparison demonstrate that the oa-CRDS instrument is an excellent tool for measuring NO3 and N2O 5. Also reported in this thesis are the results of two field campaigns aimed at characterizing NOx removal from the nocturnal pollution plume arising from Fairbanks, AK. The results from the field campaigns suggest ice is responsible for catalyzing N2O5 heterogeneous hydrolysis in cold, high-latitude plumes. When air masses are sub-saturated with respect to ice, the data show longer lifetimes (∼20 minutes) and elevated N2O5 levels while ice-saturated air masses show shorter lifetimes (∼6 minutes) and suppressed N2O 5 levels. Lastly, we present vertical profiles of N2O 5 measured above the seasonal snow pack. The results of the profiling studies suggest that N2O5 can be removed by heterogeneous hydrolysis on ice in the snow pack. Our findings indicate that catalysis on ice surfaces is largely responsible for nocturnal processing of N2O 5 leading to nitric acid production and loss of NOx in high latitude plumes

    Membrane traffic research: Challenges for the next decade

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    The study of membrane traffic is now a well-established area of research, and one that has resulted in several Nobel prizes including ones awarded to Albert Claude, George Palade, and Christian DeDuve in 1974, Michael Brown and Joseph Goldstein in 1985, Gunter Blobel in 1999, and most recently James Rothman, Randy Schekman, and Thomas SĂĽdhof in 2013. As a result of their studies and other research, we now have fundamental insights into the organization and routes of transport between the cells' membranous organelles. Moreover, we have defined the basic "cellular machinery" that governs protein and lipid synthesis, that ensures selective recognition of proteins and lipids, and that promotes vesicle fission, transport, and fusion. In addition, we have a large number of insights into the regulatory molecules that control these processes including the Rab GTPases and their effectors. While the challenges for the future are many, this essay is focused on areas of investigation that we see as moving forward at a rapid pace, which speak to how membrane traffic contributes to overall cell and tissue function, and which are likely to provide important avenues of funding for both established and new investigators. These challenges include how membrane traffic is regulated in response to metabolic needs, how molecules are transferred between organelles, how membrane traffic is regulated and functions during processes such as development, and how membrane traffic is used by highly differentiated cells to perform specialized cell functions
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