47325 research outputs found
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Unidentified Woman, Standing
Photograph: Portrait of an unidentified woman. Undated.https://digitalcommons.unf.edu/eartha_images/1561/thumbnail.jp
Woman and Child in Yard
Photograph: Unidentified woman and child sitting in grass. Undated.https://digitalcommons.unf.edu/eartha_images/1601/thumbnail.jp
Woman With Dog Sitting on Steps
Photograph: Unidentified woman sitting on porch steps holding a dog. Undated.https://digitalcommons.unf.edu/eartha_images/1627/thumbnail.jp
Three People on Porch
Photograph: Two unidentified women with unidentified man standing on porch of residential building. Undated.https://digitalcommons.unf.edu/eartha_images/1634/thumbnail.jp
A Valentine Greeting, Greeting Card
Card: Valentine\u27s Day card. Message inside: It\u27s nice to send a Valentine, Short but still sincere, To folks like you, whose friendship Is so pleasant through the year! signed Lovingly Antoinette . Undated.https://digitalcommons.unf.edu/eartha_images/1637/thumbnail.jp
Alligator Skull
Artist Statement
Alligator Skull was created through mimicking the shadows on the bones of a giant creature with the dots of my pen. Living in Florida, I have known these animals my entire life, and I have been mesmerized by them the whole time. To see one humbled into a skeleton form is so intriguing. They are apex predators that encompass fear in many, but they are just as mortal as the rest of us. They only kill to survive, but the power they possess over the waters has humans either petrified or entranced. This individual from the Alligator mississippiensis species was only in its youth before death overcame its being. It was stripped from the muscle that could kill by something so gentle as degradation.
I have always been an artist who has sought after realism. I want to encapsulate the exact beauty that I see on paper. I fought through this piece because the further you are from it, the more real it appears to be—as the dots blur together, yet a closer look reveals chaos. This is inevitable as it was created through the shadowing technique of stippling—an intriguing style made by strategically tapping a pen to paper at least hundreds of times. One tap seems to have done nothing, but a couple hundred brings back life to a skull.
I am majoring in biology, with a concentration in coastal environmental science, and minoring in painting, drawing, and printmaking at the University of North Florida. Studying these subjects for years has brought me to a point where I adore scientific illustration. Combining the meditation and skill of art with the knowledge and curiosity of science makes creating these pieces a fascinating experience. When fabricating this piece, I did not stop at finding an aesthetic image, as my usual approach would suggest; instead, I researched the functions of the different bones and the reasons for the specks on the bones. I truly love illustrating in this way. This piece was only a start
Lake Huron Microbial Mats: A Novel Anagnostidinema Species, A Cyanobacteria-Specific it\u27s Motif Slicer, & A Multi-Marker Community Analysis
A region of Lake Huron near Alpena, Michigan (U.S.A) includes karstic sinkholes with oxygen-poor, sulfur-rich ground water that contain vibrant microbial mats resembling life in early Earth’s shallow seas. We sought to document some of this unique ? diversity including the cyanobacteria, heterotrophic bacteria, and diatoms. Using culture-based investigations, we recovered strains of a novel cyanobacterium, Anagnostidinema visiae, and by employing a polyphasic approach we described this novel species from the Middle Island Sinkhole. In the processes of characterizing this novel species, the challenges of cyanobacterial systematics became evident. This led us to create a bioinformatics tool to help in the tedious and error prone method of ITS motif analysis for species level designation of cyanobacteria. We created a web- based application called the Cyanobacterial ITS Motifs Slicer (CIMS) which finds and separates the relevant motifs in cyanobacterial ITS regions. Finally, to describe the microbial diversity present in the region, we used both metabarcoding and culture-based techniques to explore the bacterial, cyanobacterial, and diatom communities. Our multi-marker metabarcoding approach allowed us to compare our findings to those previously reported using a universal 16S rRNA marker while also being able to get a more comprehensive view of the cyanobacterial community using a cyanobacterial specific 16S primer. Furthermore, we report the first analysis of the diatom community in these sites using a diatom specific rbcL marker. Our multi-marker approach recovered more ? diversity and taxonomic range - and highlighted the importance of using a cyanobacterial specific primer when investigating cyanobacterial communities via metabarcoding. In addition, we revealed very distinct diatom communities in the three sites and note the importance of surface water mixing, light penetration, and oxygenation in shaping the microbial communities
Assessing the Performance of a Particle Swarm Optimization Mobility Algorithm in a Hybrid Wi-Fi/LoRa Flying Ad Hoc Network
Research on Flying Ad-Hoc Networks (FANETs) has increased due to the availability of Unmanned Aerial Vehicles (UAVs) and the electronic components that control and connect them. Many applications, such as 3D mapping, construction inspection, or emergency response operations could benefit from an application and adaptation of swarm intelligence-based deployments of multiple UAVs. Such groups of cooperating UAVs, through the use of local rules, could be seen as network nodes establishing an ad-hoc network for communication purposes.
One FANET application is to provide communication coverage over an area where communication infrastructure is unavailable. A crucial part of a FANET implementation is computing the optimal position of UAVs to provide connectivity with ground nodes while maximizing geographic span. To achieve optimal positioning of FANET nodes, an adaptation of the Particle Swarm Optimization (PSO) algorithm is proposed. A 3D mobility model is defined by adapting the original PSO algorithm and combining it with a fixed-trajectory initial flight. A Long Range (LoRa) mesh network is used for air-to-air communication, while a Wi-Fi network provides air-to-ground communication to several ground nodes with unknown positions. The optimization problem has two objectives: maximizing coverage to ground nodes and maintaining an end-to-end communication path to a control station, through the UAV mesh. The results show that the hybrid mobility approach performs similarly to the fixed trajectory flight regarding coverage, and outperforms fixed trajectory and PSO-only algorithms in both path maintenance and overall network efficiency, while using fewer UAVs
A New Mindset: The Effects of a Strategic Mindset on Women Under Stereotype Threat
Women completing math tasks under stereotype threat underperform and experience increased negative outcomes compared to women under no threat and men. While previous interventions for stereotype threat focus on self-affirmation or role models as a means to reduce the effects of stereotype threat, the current study examines whether using a strategic mindset to increase self-reflection mitigates the negative effects of stereotype threat on women in math. Undergraduate women (N=149) were randomly assigned to read an article about the benefits of having a strategic mindset or taking cold showers. Participants were then randomly assigned to a stereotype threat condition (women perform worse than men on a modular arithmetic task), or a no threat condition (men and women perform similarly on a modular arithmetic task). Participants under stereotype threat expected to perform worse on the task than women under no threat but participants’ actual performance on the modular arithmetic task across all conditions did not differ. Strategic mindset interacted with stereotype threat such that women under no threat experienced less state anxiety in the control condition compared to those in the strategic mindset condition. Future studies should investigate how cognition relates to stereotype threat to determine if a strategic mindset is a viable solution to reduce stereotype threat or if a different cognitive intervention is needed
Case Study and Evaluation of the Implementation of Restorative Family Conferences in an Alternative Placement School
Despite the lack of research supporting zero tolerance policies and practices, these exclusionary practices and policies have resulted in the doubling of the number of students suspended from school. They contribute to exclusionary consequences and, in effect, these practices create negative academic, social and emotional outcomes for students often resulting in students entering the criminal justice system (school-to-prison-pipeline), which disproportionately impact Black students, students with disabilities, and children living in poverty. These facts are especially troubling since there is ample research that discipline practices supporting student physical, mental and social well being such as Social Emotional Learning (SEL), Multi-Tiered System of Supports (MTSS), School Wide Positive Behavioral Supports (SWPBIS/PBIS) and Restorative Justice (RJ) practices (e.g., Restorative Family Conferencing). Evidence-based practices like SWPBIS, SEL, MTSS, PBIS and Restorative Practices are showing promise in ameliorating the negative outcomes of exclusionary discipline resulting from these zero tolerance laws. This case study examines the implementation of Restorative Family Conferences (RFC) with 79 students and families at an Northeast Florida alternative school and follow up interviews with 7 students that were identified as representative of the most overrepresented groups from the alternative school demographic breakdown and analysis of data. The goal of this study was to observe if this approach lessens exclusionary factors, increases school connectedness, communication, and overall perception of the school system practices to students and families that participate. Findings of the implementation of RFC in this Northeast Florida alternative school indicate multiple positive impacts from the restorative practice of Restorative Family Conferences