Students struggle with the concept of functions and the notation associated with it in various mathematical contexts. This thesis investigates student understanding of function notation through their generalization of single variable functions to multivariable functions in a variety of situations. Semi-structured student interviews were conducted and analyzed through a framework...
: ______________________________________________________
Eric Weber
Students struggle with the concept of functions and the notation associated with it
Some evidence suggests a connection between outdoor recreation participation and
stronger environmental worldviews. This study finds little evidence supporting
participation in outdoor recreation activities and stronger environmental worldviews and
some evidence supporting a weak connection between appreciative outdoor recreation
and stronger environmental worldviews. Additionally, the study documents greater
participation in...
This research explores how an agriculture-based community in the Crooked River Watershed of Central Oregon responds to a series of water resource and environmental challenges, some associated with projected climate change, amid increasing pressure to change management practices to better accommodate environmental needs. A key part of this research assesses...
Mycobacterium abscessus (MAB) is an opportunistic pathogen responsible for infections in immunocompromised or immunosuppressed patients. Even with long-term treatment with multiple antibiotics, MAB pulmonary infections have high rates of treatment failure. Within the host, MAB is phagocytosed by key innate immune cells macrophages. The TLR2 and TLR4 are two critical...
Low-Income urban African American (LIU-AA) youth are at high risk for HIV/STIs and adolescent pregnancy. Sexual health websites (SHWs) offer an inexpensive, easy-to-disseminate, and potentially highly-accessible method of improving sexual health knowledge, awareness, and help-seeking. The present study examined engagement regarding sexual health websites for at-risk, LIU-AA youth. We conducted...
_____________________________________________________________________
M. M. Dolcini, Committee Member, representing College of Public Health and
Human Sciences
Immature T cells, known as thymocytes, undergo development through successive stages in the thymus and the periphery to become functional mature T cells. These stages are regulated by sequence specific transcription factors (SSTFs). Two such SSTFs, BCL11B and TCF-1, are both known master regulators of thymopoiesis, which is also known...
Host-selective toxins (HSTs) secreted by the pathogenic isolate of Pyrenophora tritici-repentis, BFP, are major pathogenicity factors in tan spot disease of wheat. Along with characterized HSTs such as Ptr ToxA (ToxA), BFP secretes at least two more uncharacterized toxic components. In an attempt to identify these additional components, 12 candidate...
Microplastics (<5mm) are a ubiquitous environmental pollutant that have the potential to cause significant harm in many fish species. Therefore, understanding the quantities at which they are being consumed by living organisms is crucial for characterizing risk. There are currently gaps in the microplastic literature regarding microplastic data from finfish...
Previous research on WWII veterans in their 70’s and 80’s has shown that positive and negative appraisals of military service mediate between combat exposure and PTSD symptoms in late life. This thesis extends this research in two ways, first by determining how these variables relate to functional health in later...
This investigation expands on earlier methods of using surface polarization reflection (SPR) to characterize the first few monolayers of a surface. Past research measured intensities of light reflecting off an SiO₂ optical flat inside a vacuum. Pressure of applied gas was changed to view a change in reflection. In an...
Food insecurity is a growing public health concern in Oregon. Those that are food insecure often develop strategies, such as reducing the size of meals, cutting out fruits, vegetables and meats or skipping meals entirely, to make food last. One group that is disproportionately affected by food insecurity is families....
Interest in organizational culture has grown enormously over the last twenty years and much
effort has gone into investigating the relationship between organizational culture and
performance. Because most research to date has focused on large organizations, we chose to
investigate the culture in a community bank undergoing a cultural transformation....
Pantoea vagans C9-1 (C9-1) is a biological control agent sprayed onto apple and pear trees during bloom for suppression of fire blight, a devastating bacterial disease caused by Erwinia amylovora. Prior bioinformatics studies of C9-1 focused on predicted phenotypes associated with the three native megaplasmids, pPag1, pPag2, and pPag3, and...
Growth models developed by Pennsylvania State University (Penn State) extension
services for Holstein and Jersey heifer height and weight were evaluated using OSU dairy
herd heifer data. The purpose of this study was to determine the ability of the models to
predict heights and weights of heifers in the OSU...
Various flavonoid-rich plant extracts have shown efficacy in the treatment of diabetes. Although it is often assumed that dietary flavonoids exert biological antioxidant effects, it is possible that the observed effects work in carbohydrate metabolism. In this study we evaluated the effect of catechins and catechin containing extracts on α-amylase...
An experimental framework for investigation of the effects of Micro Pin Fin Arrays (MPFA) on the fuel oxidation efficiency of catalytic combustion is presented in this thesis. Complete combustion of the fuel is essential for operation at maximum efficiency and high standards of environmental cleanliness desired in existing microscale combustion...
With cannabis use increasing globally, it is important to understand its acute and chronic impacts on human physiology and behavior. It is proposed that cannabis use is linked to impairments in emotion processing, and brain regions that underlie these processes. The purpose of this review paper is to provide the...
Tightness-looseness (TL) is a cultural construct that measures the level of social norms present in a community, and the level of scrutiny of deviance from these norms. This construct offers a unique foundation for investigating how norms influence behavioral processes. Research in TL is relatively young, creating a frontier of...
Various flavonoid-rich plant extracts have shown efficacy in the treatment of diabetes. Although it is often assumed that dietary flavonoids exert biological antioxidant effects, it is possible that the observed effects work in carbohydrate metabolism. In this study we evaluated the effect of catechins and catechin containing extracts on α-amylase...
The Viennese waltz is widely recognized as one of the most ubiquitous genres in classical piano literature. Despite the common characteristics that most of these waltzes share ---light, melodious themes, three-four meter, and varied tempos --- there is a large distinction between its earlier and later forms. Curiosity about its...
Perdeutero-spiropentane (C₅D₈) has been synthesized and infrared and Raman spectra are reported for the first time. Wavenumber assignments are made for most of the fundamental vibrational modes. Gas phase infrared spectra were recorded at a resolution (0.002 cm⁻¹) sufficient to resolve individual rovibrational lines and show evidence of strong Coriolis...
This study was conducted to assess whether healthy adults compared with those with Metabolic Syndrome (MetS) have different mean oxidative-reductive potentials. Static oxidation-reduction potentials and capacity oxidation reduction potentials (sORP and cORP, respectively) were measured in plasma samples. The RedoxSYS® measures sORP in millivolts (mV), which is proportional to the...
Single nucleotide polymorphisms (SNPs) can be used as markers to infer population genetic structure. For Mycoplasma cynos, a pathogen associated with infectious respiratory disease among canines and other animals, SNPs may help to elucidate ecological and evolutionary relationships among the strains that reside in the upper respiratory tract of canines...
Optical trapping is a tool used throughout a wide variety of disciplines rang- ing from precisely probing and manipulating sub-micron organisms in biol- ogy to analyzing fundamental charge transfer in colloidal physics. This thesis presents research involving optical tweezer force measurements of polystyrene and silica microspheres. In addition, preliminary work...
Objective: Cell phone use while driving (CPUWD) is an increasingly predominant form of distracted driving. Given the widespread prevalence of CPUWD, it is important for researchers to identify who is more likely to engage in this risky behavior. Prior research has focused largely on adolescent and young adult populations, and...
Amphiphilic gold nanoparticle surfactants can self-assemble at oil-water interfaces to form stable Pickering emulsions. These nanoparticle surfactants have previously been synthesized by functionalizing gold nanoparticles with thiol terminated polyethylene glycol (PEG-thiol), and subsequently with an alkane-thiol. It is necessary to improve the bio-compatibility of the nanoparticles if they are to...
Five solvents were used to resolubilize the fungal pigments of Chlorociboria aeruginosa and Scytalidium cuboideum, two common fungi used in the spalting of wood pieces. These solvents were tested as a replacement for dichloromethane in the pigment application process, via analysis of their ability to increase internal color coverage inside...
The spalting fungus Scytalidium cuboideum secretes a red pigment that produces naphthoquinonic crystals that are a photonic material candidate. The molecule can pack together in different configurations resulting in amazingly different optical properties. I developed a procedure (slowly evaporating the solvent) to preferentially grow two of these configurations, which have...
Transects were run at five locations in the Benton County area searching for
samples of Chlorociboria spp. on dead wood, with fifteen total samples found. Of
these samples, eight samples had the wood species identified, with the majority found
on Acer macrophyllum and one on Salix spp. The density of...
This paper is an assignment for my Ichthyology class at Oregon State University. I was tasked with creating a new fish species that is scientifically possible and telling a fictional story of its discovery.
Fishes are the most abundant vertebrates and new species are being described
every month. One new species has been living right under our noses and has actually
evolved to live with our trash. Students at Oregon State University were conducting a
trash cleanup on the Mary’s River in Corvallis, when...
In order to support first-year women in engineering, a program was designed to help their transition to college and promote connection with other women. The program focused on three main areas based in research: mentor matching with mentee input, regular formal meetings in small mentoring groups, and the formation of...
Increased dependence on fossil fuels and concerns of anthropogenic climate change have led to increased interest in alternative energy sources. Liquid fuels derived from renewable raw materials have gained attention in recent years due to their similarity to petroleum-based fuels. Biofuels derived through hydrodeoxygenation have been found to be one...
The strained carbon ring, bicyclo[1.1.1]pentane, was synthesized by a reaction between
1-(phenylsulfanyl)bicyclo[1.1.1]pentane, prepared from propellane, and Raney nickel.
Infrared spectra were recorded at a resolution of 0.0015 cm-1, a resolution significantly
better than previous measurements, 0.06 cm-1. A single fundamental band was analyzed
to determine the ground state and excited...
Blueberry stem galls in Pacific Northwest are often attributed to Agrobacterium tumefaciens. The disease also is associated with indole-3-acetic-acid (IAA) producing bacteria, as described on cranberry stem gall. Lack of studies makes it difficult to conclude whether these two types of bacteria could be the causal agent of stem gall...
Lead zirconate titanate (PZT) is well known to exhibit some of the strongest piezoelectric responses, explaining why it is at the heart of piezoelectric-based microelectromechanical systems (MEMS) research. The use of pulsed laser deposition (PLD) to synthesize PZT offers many advantages over alternative deposition techniques, mainly regarding its ability to...
A deep neural network was developed and trained to identify the sounds of pomacentrids (damselfishes) in the National Park of American Samoa. Four years of continuous, passive acoustic data were recorded by a single stationary hydrophone. Deep neural networks enable the full utilization of such large datasets by automating laborious...
The purpose of this project is to characterize mixing effects of the Beta 2 tool that is under development by the Hewlett Packard Pinot team. By optimization of a stage oscillation process, the undesirable effects of a locally high concentrated drug elution within a well plate can be alleviated. This...
As conventional energy sources begin to deplete, the need for alternative, renewable
energy becomes more necessary. Dimethyl ether (DME) fuel cells are a promising
energy source that could fulfill these demands. Compared to well-known fuel cell
fuels, such as methanol, DME has a low toxicity and high energy density.
Experimental...
The Bcl-2 family of proteins regulate cell survival and are targets for cancer therapy. This protein family has also been implicated in chemotherapeutic resistance, the cause of approximately 90% of treatment failure in advanced cancer. We analyzed the expression and the role of the Bcl-2 proteins in chemotherapy resistant breast...
Infestations of container nursery beds by Phytophthora spp. can be persistent and costly. One method of disinfestation that does not require the use of chemicals is soil solarization, which captures energy from the sun to heat soil and thermally inactivate target pathogens. In laboratory temperature gradient experiments, I investigated the...
A great deal of research has been focused on the microbiomes of terrestrial angiosperms (flowering plants), but much less research has been performed on the microbiomes of aquatic angiosperms (Turner et al. 2013). Eelgrass beds are extremely productive ecosystems that provide habitat for many marine organisms, such as fish, shellfish,...
Nanoparticles (NPs) are generally defined as particles <100 nanometers (nm) in size in one dimension. Despite increasing industrial usage of TiO2 NPs in sunscreens, cosmetics, and water remediation little is known of their environmental behavior. The primary goal of this research was to develop a rapid method for determining the...
Collegiate Athletics is glorified in the United States; particularly at the NCAA Division I level. Through the lens of a sport-loving spectator, talented, scholarship athletes live the good life of suiting up in university colors, competing before their fans, and, when they’re taking a break from annihilating the competition, reveling...
Quantum yield is an important, characteristic quantity to be measured for fluorescent compounds. Here, a comparative method between fluorescent compounds in solution is applied to measure unknown quantum yields. An absorption spectrometer was used to measure the absorbances of two different fluorescent quantum yield standards. The integrated fluorescence intensities were...
Purpose: The purpose of this study is to determine the feasibility for an infant with Down syndrome to use a modified ride-on car that encourages the physical skills of pulling from sit-to-stand and standing with assistance. Method: An 8 month old boy, Child B, was video recorded during the 11...
Zinc is an important micronutrient involved in many cellular processes, including those part of immune function; however, about 15% of the US population is at risk for marginal zinc deficiency. This can lead to immune system complications including the generation of inflammatory cytokines. Aging is another factor that worsens the...
This review investigated the cognitive effects of intergenerational trauma. Through a literature review, 622 articles across two databases were examined using bibliography and literature review software to analyze such effects. Six articles were identified and discussed as well as their implications for future research. The supporting articles demonstrated clear cognitive...
Metal-organic frameworks (MOFs) have emerged as promising candidates in novel cancer therapies due to their unique properties, including high surface area, tunable crystal size, and exposed metal ion active sites for catalysis. The MOF NH2-MIL-88B has shown potential use in cancer theranostics. Its open metal active sites catalyze the reduction...
In recent years, non-coding DNA has received much attention within the scientific
community. This attention has not only illuminated the mystery behind functionally
important regions like the centromere, but has also brought to light additional important
questions regarding centromere mechanisms, inheritance, and cellular recognition by the
kinetochore, a protein complex...
Reproductive physiology of South American camelids is unique, especially in comparison to other domestic animals. For example, mating occurs in a recumbent position over a period of approximately 30 minutes. Males are dribble ejaculators, and the camelid ejaculate is highly viscous making it nearly impossible to work with in vitro....
Using X-ray computed tomography (CT) scanning to characterize the physical characteristics of soil and sediment cores allows scientists to observe and analyze stratigraphy without destroying the integrity of different layers. Microbiologists often work with geologists to characterize the microbial communities in such cores; however, X-rays are known to be destructive...
This paper seeks to assess the merits of “Vote With Your Dollar” (VWYD) strategies for consumer and investor activism as a model for changing corporate behavior. A novel framework was constructed to group VWYD strategies and campaigns under shared attributes. To assess one such group, the boycott, the research gathered...
Deep-sea chemosynthetic ecosystems remain a frontier in marine science. Essential to their role in the ocean ecosystem are endosymbiotic bacteria which support larger megafauna, including the widespread symbiont-bearing Vesicomyid clams. The diversity and characteristics of these symbionts in these clams is only just beginning to be understood with technological advances...
In industry, there is considerable interest in finding sustainable, renewable materials for use in electronic devices. Pigments derived from spalting fungi are of particular interest due to their longevity in diverse environmental conditions. The focus of my project was to characterizethe properties of a novel, fungi-derived pigment, and to discover...
Wildfires are increasing in frequency. One area of research interest centers on the pollutants within wildfire smoke, including but not limited to particulate matter and polycyclic aromatic hydrocarbons. These chemicals are associated with exacerbation of respiratory, cardiovascular, dermatological, reproductive, oncological, gastrointestinal, and infectious conditions. As wildfires becoming increasingly prevalent, it...
The State of Oregon possesses a tumultuous relationship with the Earned Income Tax Credit (EITC) and currently experiences one of the lowest participation rates in the country despite attempting several policy reforms. The State of Washington has exhibited a comparatively similar relationship. However, it has adopted a distinctive policy supplementation...
Decades of experimental work has illustrated the high degree to which the partitioning of most elements is dependent on phase composition, temperature and pressure. In order to quantitatively describe clinopyroxene partitioning it is required to derive expressions using theoretical constraints calibrated with experimental data.
The experimental database available for such...
This thesis investigates the effect of participating in political activism on mental health. Participants (N = 187, 72% female, N = 135, 77% female) from an Oregon university were randomly assigned to one of three or four conditions (depending on the study) in which they participated in activism related to...
Although it is the first drug approved for usage to treat amyotrophic lateral sclerosis (ALS), riluzole’s mechanism of action is unknown and its therapeutic quality is hampered by its relatively short window of effectiveness. P2X7 is a purine receptor found in astrocytes and other cells, which increases calcium concentrations within...
The WWC family consists of three proteins‐ KIBRA/WWC1, WWC2, and WWC3. The three proteins share a similar primary structure and interact with a common set of proteins. Each paralog contains two WW domains which recognize proline‐rich sequences of the type PPxY (P is proline, Y is tyrosine, x is any...
The goal of this research project is to better understand the impacts and
difficulties of offering gender-focused social programs through micro-lending banks.
Previous research has demonstrated not only the importance of micro-lending, and the
benefits of lending to women, but also the value of offering social programs specifically
designed to...
Real transportation fuels contain a wide range of hydrocarbon species, and this complexity poses challenges for modeling. Surrogates with a simpler blend of hydrocarbon reference fuels can approximate the physical and chemical characteristics of real fuels and enable practical simulation of the reacting flows that occur in engines and combustors....
With a growing demand for renewable sources of freshwater around the world, stormwater offers a potential solution. However, various pollutants can be present within stormwater, such as antibiotic-resistant bacteria, that present a danger to human health if stormwater is used for agricultural purposes. Biochar has the capability to remove bacteria...
This study applied a virtual rendition of the Morris water maze, which is commonly used for assessing spatial memory in rodents, to an examination of age-related differences in spatial learning among 42 younger (18-30 years) and older (>60 years) male human participants. Virtual Morris water maze performance was measured by...
Behavioral studies have observed facial recognition bypass attentional limitations when performed with non-facial recognition tasks (e.g., a digit task). Awh et al. (2004) proposed this was due to multi-channel processing, where non-facial objects utilize a feature-based channel leaving the configural-based channel available for facial processing. We tested this hypothesis using...
As nanoparticle (NP) research and development expands, the significance of NP biodistribution effects on toxicity increases. A reliable method for measuring NP biodistribution is critical. Hyperspectral Imaging (HSI) is capable of accurately quantitating NP biodistribution within embryonic zebrafish with incredibly high precision. Before HSI processing, the embryo must be sectioned...
The widespread use of engineered nanoparticles (ENPs) in industrial applications and consumer products makes their release to the environment inevitable. Understanding the aggregation behavior of ENPs is crucial to understanding their fate, transport and toxicology in aquatic systems. This study investigated the comparability of experimentally-determined and model-estimated attachment efficiencies for...
Ubiquitous fine particulate matter (PM2.5) exposures significantly impact global public health, yet little is known about the mechanisms causing these known adverse health effects. Oxidative stress due to PM2.5 associated chemical constituents, such as polycyclic aromatic hydrocarbons (PAHs), is a proposed possible mechanism for PM2.5 mediated health effects. Variations in...
In the United States, 58.7% of the spinal cord injuries that occur each year result in some degree of tetraplegia, this leads to reduced control of upper limb muscle. One surgery that can restore some upper limb function is a brachioradialis (BR) to flexor pollicis longus (FPL) tendon transfer surgery,...
Psychedelics and entheogens began as religious sacraments. They were apotheosized for their mind-expanding powers and were thought to open realms to the world of the Gods. It was not until the first psychedelic compound was discovered in a laboratory setting a mere hundred years ago that they entered into formal...
The advancement of the US energy grid is a necessary task to undertake as renewable energies like wind and solar power become more and more prevalent in our energy sector. However, due to uncontrollable factors such as wind speed and cloud cover, the intermittence of these energy sources continues to...
Hydrophobic titanium dioxide (TiO2) nanoparticles (NPs) are prevalent in industry and manufacturing. They are known for their white pigmentation, are found in sunscreens, paints, cosmetics, and are frequently used in wastewater treatment. Understanding the physicochemical properties of TiO2 P-25 NPs, such as hydrophobicity, are essential when determining their fate, transport,...
Over the last two centuries, Pilsner beer has become a symbol of Czech national identity. Originating in the Western Czech town of Plzeň, the unique color and flavor spread globally, with new styles further branching off the Central European stem. It is with great pride that the Czech people are...
Intertidal herbivores, such as isopods, help regulate and contribute to nutrient cycling and organic carbon flow through the trophic levels in estuaries and coastal ecosystems. Though much is known about the microbiomes of macrophyte leaves that serve as the primary food source for isopods, and (to a lesser extent) the...
Female dairy cattle are particularly prone to infertility/subfertility with pregnancy rates ranging as low as 27% to a high 40%. On average it takes more than one breeding/insemination event for dairy cattle to become pregnant. This results in a loss of the number of calves a female would have per...
The aerospace industry uses chemical kinetic models when designing propulsion systems to acquire specific details about the rate of chemical reactions, heat release, and combustion stability. These models, however, are too large and stiff to be useful as they can take weeks to run computations on. The pyMARS python package...
Unpublished female authors of American short fiction face many prejudices in fiction publishing, submission, and reviewing. These prejudices stem from the writer’s position in a gender-unequal society. Feminist fiction provides dimensional, diverse female characters in relationships where previous fiction had offered only stereotypes whose role was to support and reflect...
Variability in the terrigenous (land-derived) fraction of marine sediments,
including pollen and rock fragments, reflects the effects of regional climate change on
continentally derived runoff, ice extent, vegetation and ocean circulation. The transport of
this continental material to the seafloor must be understood in order to interpret the
terrigenous sediment...
To assess the conversion and embedment of yttrium nitrate to yttrium oxide using selective laser melting, a thermodynamic approach for laser power and scan speed predictions on surface temperature, recoil pressure, and resulting track morphology window are employed. Inkjet printing is used to deposit the liquid film of yttrium nitrate...
In conversations about social change, community-based coalitions can be identified
as one of the driving factors in multi-level changes. Coalitions can be defined as
groups of people, organizations, countries, etc. united for a common goal. Coalitions
initially form to complete a common purpose, but also to build lasting connections for...
Polycyclic aromatic hydrocarbons (PAHs), including benzo[a]pyrene (B[a]P), are environmental pollutants linked to increased disease susceptibilities. Alpha-Tocopherol (αT) supplementation decreases B[a]P-DNA adducts in smokers, particularly women; but the mechanism is unknown. To test the hypothesis that αT protection from B[a]P exposure is gender-dependent, male and female rats received 7 daily subcutaneous...
Sea turtles are endangered species that can be censused with aerial surveys, but the number of turtles in an area must be extrapolated to include animals that are submerged. Twenty-one satellite tags were attached to juvenile loggerhead sea turtles (Caretta caretta) in North Carolina. I analyzed surfacing and dive behavior...
Sea turtles are endangered species that can be censused with aerial surveys, but the number of turtles in an area must be extrapolated to include animals that are submerged. Twenty-one satellite tags were attached to juvenile loggerhead sea turtles (Caretta caretta) in North Carolina. I analyzed surfacing and dive behavior...
This paper critically examines the notion of citizenship and how its construction has evolved over time. As the world becomes increasingly more globalized and connected, it becomes even more important to consider forms of citizenship that are transnational and move beyond the traditional borders of the nation-state. This is especially...
Hatchability of broiler eggs has not increased over the last twenty years. Increasing hatchability with in ovo technology may be possible through feeding metabolic modulators to the developing embryo. Exogenous fatty acids and antioxidants provided during incubation may enhance polyunsaturated fatty acid, lipid, and antioxidant status of the chicken embryo....
Understanding how particles behave in detectors is a critical part of analyzing data from neutrino experiments. There are methods in place to track charged particles in scintillator material, but neutral particles such as neutrons are more difficult to characterize. The purpose of this project was to assess and calibrate methods...
The computer game industry continues to progress toward realistic-looking character motion. However, even in state-of-the-art games, the use of motion capture data in character animation may result in errors such as “foot slipping,” where the feet do not match up with the floor properly during translation. Various algorithms have been...
Most software systems today do not support cognitive diversity. Further, because of differences in problem-solving styles that cluster by gender, software that poorly supports cognitive diversity can also embed gender biases. To help software professionals fix gender bias “bugs” related to people’s problem-solving styles for information processing and learning of...
Landfill leachate is a complex wastewater that contains high levels of ammonium (often over 250 ppm) and trace heavy metals (usually under 0.2 ppm). Microalgae have been shown to inexpensively and effectively treat wastewaters containing high loads of organics and nutrients, as well as adsorb metal ions. This thesis focuses...
Vibrio cholerae, a Gram-negative bacterium, is the etiological agent of cholera. V.
cholerae shuttles between the human host and the aquatic reservoir, where it associates
with marine organisms such as copepods and vertebrate fish. The bacteria use the Type II
Secretion System (T2SS) to release proteins that facilitate V. cholerae...
The purpose of this essay is to explore the dynamics of social movements, and better understand why some populations succeed when others fail. This topic was motivated by travels across the United States and Europe. In these journeys, minority groups and their unequal treatment by society were a constant feature,...
Coral reefs are diverse ecosystems and serve many purposes including preventing erosion on coastlines and acting as a source of food, income, and culture. Acropora cervicornis, a staghorn coral, has faced a significant 80-89% decline in the Caribbean, attributed to a poorly-characterized epizootic, White Band Disease (WBD). Previous studies showed...
The proper way to order knowledge and find truth about the natural world in the eighteenth century lay in one’s ability to correctly learn and employ the quality of reason. While all had the right to seek reason, only a privileged few achieved its proper use, creating an intellectual elite...
One source of di culty for students in Thermodynamics courses is their unfamiliarity with partial derivatives and the associated mathematical procedures. At Oregon State University, a mechanical analogue of thermodynamic systems, called the Partial Derivative Machine (PDM), has been designed. The PDM represents an attempt to make the mathematics of...
The preceding empirical research examines the traditional and evolutionary research surrounding youth deviance. Deviance is routinely discussed as an adverse impact in a plethora of theories and it is imperative to further develop the knowledge of deviance as society progresses. In this report, the utilized sample group approximately (n=13583) was...