University of Puget Sound

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    Budding Nationalism in the Black Garden; Nagorno Karabakh and the Role of Conflict in Developing Azerbaijani National Identity

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    Azerbaijan\u27s war with Armenia in late 2020, was dubbed the Patriotic War by Azerbaijani President Ilham Aliyev and his supporters. Emphasizing the nature of conflict with Armenia as the greatest possible expression of Azerbaijani nationalism, the Aliyev cabinet has utilized the conflict to generate popular support for the authoritarian government. This paper delves into the history of Azerbaijan to flesh out the roots of the conflict and better understand how Azerbaijanis understand their own national identity

    Weather Patterns and Lunar Cycles Shape the Soundscape of an Estuarine Ecosystem

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    Acoustic indices are an emerging tool for the remote assessment of habitat health. Our research focused dually on an understudied habitat type and disruptive geophonic phenomenon. We collected environmental data and designed a novel acoustic index to (1) identify rain from sound recordings and (2) better understand the drivers of acoustic variability in a tidal river estuary. Our findings suggest biophony (animal generated sounds) is tied to environmental, lunar, and tidal cycles, as well as time of day

    Generating a novel fly line to quantify cellular oxidative stress on developing Drosophila melanogaster

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    The redox condition of the cell, the ratio of reactive oxygen species to reducing agents present, can indicate the likelihood of oncogenesis. There are several genetic pathways present, such as the Nrf2 pathway in humans, which moderate the level of reactive oxygen species (ROS) within the cell. The Nrf2 pathway is an orthologue to the cncC pathway in Drosophila melanogaster, making Drosophila an ideal model organism to study redox pathways in the cell. Previous work has shown that cncC alterations can alter oncogene levels in Drosophila, however it hasn’t been shown that this manipulation truly alters ROS levels within the cell. To solve this, a fly line was created which could indicate and quantify ROS levels via fluorescence microscopy. This was done through use of the UAS-GAL4 system; a system which allows for the introduction and expression of desired genes within the Drosophila melanogaster genome. For this desired purpose, both the UAS-GAL4 indicator and ROS GFP reporter need to be on the same chromosome, so recombination was necessary for the success of this introduction. Through several rounds of genetic crosses, a fly line was established with a UAS-GAL4 indicator and a ROS GFP reporter on the same chromosome within the selected flies. Recombination occurred in 26% of 250 offspring. This recombination will allow quantification of ROS in developing wings, guts, and testes via GFP fluorescence

    The Effect of Cold Water On The Mammalian Dive Reflex

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    This study was conducted to better understand how cold water affects the mammalian dive reflex (MDR). Seven subjects volunteered to be immersed up to their shoulders in cold (17-20oC) and thermoneutral (37oC) water. Subjects performed 5 min of seated rest in air prior to water immersion and then 5 min of seated rest immersed in water, followed by five 40s apneas while immersed in water. Heart rate (HR) was collected during all phases. Exhaled O2 and CO2 were also collected at the end of each apnea as a marker of the drive to breathe. Cold water immersion lowered HR vs. thermoneutral water (Fig. 1, p=0.019), but did not significantly strengthen the fall in HR during apnea (Fig. 2). There were no significant differences in exhaled O2 and CO2 (Fig. 3). These results suggest that the MDR is strengthened by immersion in cold water, but not further augmented by apnea

    The Trail, 2022-04-15

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    https://soundideas.pugetsound.edu/thetrail_all/4075/thumbnail.jp

    Balancing Populations of Electoral Districts

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    Striped plateau lizards (Sceloporus virgatus) do not adjust foraging position or boldness in response to the plant odorant 2-E-hexenal

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    Striped plateau lizards (Sceloporus virgatus) have been shown to respond in captivity to the green leaf volatile 2-E-hexenal, which is released by plants in response to insect herbivory. While in some other systems green leaf volatiles serve as a prey-detection mechanism for insectivores, we found that S. virgatus did not alter its position or boldness in response to 2-E-hexenal in the field

    Nuclear Fine-Tuning and the Illusion of Teleology

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    Recent existential-risk thinkers have noted that the analysis of the fine-tuning argument for God’s existence, and the analysis of certain forms of existential risk, employ similar types of reasoning. This paper argues that insofar as the “many worlds objection” undermines the inference to God’s existence from universal fine tuning, then a similar many worlds objection undermines the inference that historic risk of global nuclear catastrophe has been low from the lack of such a catastrophe having occurred in our world. A version of the fine-tuning argument applied to nuclear risk, The Nuclear Fine-Tuning Argument, utilizes the set of nuclear close calls to show that 1) conventional explanations fail to adequately explain how we have survived thus far and 2) the existence of many worlds provides an adequate explanation. This is because, if there are many worlds, observers are disproportionately more likely to reflect upon a world that hasn’t had a global nuclear catastrophe than upon one that has had a global nuclear catastrophe. This selection bias results from the catastrophic nature of such an event. This argument extends generally to all global catastrophic risks that both A) have been historic threats and B) would result in a significantly lower global population

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