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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell
Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell
Williams Honors College, Honors Research Projects
Damp granular media is a difficult environment to study because it is both practically complex and it lacks equations which fully describe its behavior. In this study, an oscillatory lateral head movement and its effects while penetrating damp granular media were tested using a robophysical model. This experimental research was inspired by the burrowing behavior of the clade Amphisbaenia, a group of usually limbless squamates that employ a variety of different burrowing behaviors, but it can apply to a wide range of burrowers. This research could help with both human burrowing technologies and the further investigation of animal behaviors.
Sustainability And Biomimicry, Tabitha Cooper
Sustainability And Biomimicry, Tabitha Cooper
Williams Honors College, Honors Research Projects
Standardization of business management systems is a vital part of the economic climate, as it allows for fair play between all competitors and encourages growth. The International Organization of Standardization (ISO) independently provides hundreds of standards ranging through dozens of different fields, providing standards applying to topics from quality management to material composition. Not much is readily available on the topics of ISO 9001, which outlines quality management systems (QMS) ISO 14001, which details environmental management systems (EMS), and their relation to ISO 18457, which explains what composes a biomimetic material or product. A literature review was conducted to gather …
The Effects Of Sex On Zebrafish Bone Metabolism, Simon Bagatto
The Effects Of Sex On Zebrafish Bone Metabolism, Simon Bagatto
Williams Honors College, Honors Research Projects
I investigated the effects of diet and sex on zebrafish bone metabolism. Zebrafish were subjected to either a high-calorie or low-calorie diet over a five-week period. After this diet, zebrafish scales were used to measure alkaline phosphatase (ALP) and tartrate-resistant acid phosphatase (TRAP) enzyme activity with a fluorescent substrate. The enzyme activities were markers of the osteoblasts (ALP) and the osteoclasts (TRAP). These data were compared among sex and diet of the zebrafish using a repeated measures ANOVA statistical test. I also measured the number of resorption lacunae per scale (another indicator of osteoclast activity). The results showed higher TRAP …
Buoyancy And Emergence In Elymus Species, Sandor Jakab
Buoyancy And Emergence In Elymus Species, Sandor Jakab
Williams Honors College, Honors Research Projects
It is important that native plants are able to successfully emerge in wetlands because they play an important role in maintaining diversity. The relationship between seed buoyancy and seedling emergence was analyzed for three wetland species of the same genus: Elymus canadensis (FACU), Elymus macgregorii (FACW), and Elymus virginicus (FACW). E. macgregorii seemed to be the most buoyant, and E. virginicus and E. canadensis demonstrated very similar, less buoyant levels. Based on the idea that more buoyant seeds will be deposited at a shallow depth, and less buoyant seeds will be deposited at a deeper soil level, a relationship between …
Bite Force And Stress Content Of Varying Tooth Morphology And Jaw Alignment, Emily Newenhisen
Bite Force And Stress Content Of Varying Tooth Morphology And Jaw Alignment, Emily Newenhisen
Williams Honors College, Honors Research Projects
Biting is one of the primary physical actions against a food substrate involved in the process of mastication and consumption. Different shapes of solidified tissue (e.g., teeth, mandibles) are developed based on dietary preferences of the organism to improve mechanical function. Models of various geometric shapes were used to loosely replicate several common biological tooth structures. As there is little research conducted on tooth penetration force in relation to tooth shape, collection of such data was the main focus of the research. Molariform teeth found in herbivores were represented by the ball model, carnivorous needle-like teeth by cone model, cutting …
How Akron Affects The Water Quality Of The Cuyahoga River, Allyson Darst
How Akron Affects The Water Quality Of The Cuyahoga River, Allyson Darst
Williams Honors College, Honors Research Projects
The purpose of this study was to analyze whether the city of Akron had negative effects on the Cuyahoga river, and determine if the Cuyahoga River was naturally able to remediate these effects downstream. The pollutants measured in this study include hardness, bromine, residual chlorine, iron, copper, lead, nitrate, nitrite, ammonium chloride, total chlorine, fluoride, carbonate, pH, total alkalinity and cyanuric acid. This study was done using water testing strips (JNW Direct) to test the water at four different locations along the Cuyahoga River downstream (North) of Akron. This study found that the city of Akron does have a negative …
Effects Of Electronic Cigarettes On The Standard Metabolic Rate Of Crayfish, Frank Shaffer
Effects Of Electronic Cigarettes On The Standard Metabolic Rate Of Crayfish, Frank Shaffer
Williams Honors College, Honors Research Projects
This study aims to examine the relationship between e-cigarettes (both with nicotine and without) and the effects on the standard metabolic rates of crayfish. In this experiment, 42 crayfish were divided into three treatment groups and exposed to a designated solution of either a control solution or a solution containing e-cigarette (nicotine or non-nicotine) vapor. Their standard metabolic rates were then measured by using oxygen uptake as a proxy. The results of this experiment indicate that there is no statistically significant relationship between the use of electronic cigarettes and the standard metabolic rate of crayfish. However, this study can be …