A Study of Resiliency in New Orleans Neighborhoods Ten Years After Hurricane Katrina

Hurricane Katrina made landfall on August 29, 2005, flooding over eighty percent of the Greater New Orleans area and causing a mass exodus of the local population. Statistical analysis was used to quantify recovery at a neighborhood level and answer the following questions: What is the recovery rate of New Orleans neighborhoods ten years after Hurricane Katrina? What factors account for variation in recovery rates among neighborhoods? Six neighborhoods in Orleans Parish were selected for further study based on their unique geographical and recovery metrics. Recovery rates among the seventy-two neighborhoods were based on a comparison of United States Postal Service active delivery of mail to residences in Orleans Parish. USPS delivery rates are considered an accurate indicator of population change following a disaster. The neighborhoods with the highest recovery rates based on active delivery of mail were the Central Business District (259.5%), Gert Town (116.9%), and Algiers Point (111.9%). Those with the lowest included West Lake Forest (54.9%), B.W. Cooper (45.6%), and Lower Ninth Ward (36.7%). A closer look at the recovery narrative of six selected neighborhoods is included to provide additional context for consideration of the research results. This study provides an essential look at the chief components of neighborhood solvency which will affect New Orleans in the future and further solidifies the inexorable link between New Orleans residents, their native ecosystem, and the built infrastructure which has done so much to change every facet of the city

equality and identity

Equality and identity. Bulletin of Symbolic Logic. 19 (2013) 255-6. (Coauthor: Anthony Ramnauth) Also see https://www.academia.edu/s/a6bf02aaab This article uses ‘equals’ [‘is equal to’] and ‘is’ [‘is identical to’, ‘is one and the same as’] as they are used in ordinary exact English. In a logically perfect language the oxymoron ‘the numbers 3 and 2+1 are the same number’ could not be said. Likewise, ‘the number 3 and the number 2+1 are one number’ is just as bad from a logical point of view. In normal English these two sentences are idiomatically taken to express the true proposition that ‘the number 3 is the number 2+1’. Another idiomatic convention that interferes with clarity about equality and identity occurs in discussion of numbers: it is usual to write ‘3 equals 2+1’ when “3 is 2+1” is meant. When ‘3 equals 2+1’ is written there is a suggestion that 3 is not exactly the same number as 2+1 but that they merely have the same value. This becomes clear when we say that two of the sides of a triangle are equal if the two angles they subtend are equal or have the same measure. Acknowledgements: Robert Barnes, Mark Brown, Jack Foran, Ivor Grattan-Guinness, Forest Hansen, David Hitchcock, Spaulding Hoffman, Calvin Jongsma, Justin Legault, Joaquin Miller, Tania Miller, and Wyman Park. ► JOHN CORCORAN AND ANTHONY RAMNAUTH, Equality and identity. Philosophy, University at Buffalo, Buffalo, NY 14260-4150, USA E-mail: [email protected] The two halves of one line are equal but not identical [one and the same]. Otherwise the line would have only one half! Every line equals infinitely many other lines, but no line is [identical to] any other line—taking ‘identical’ strictly here and below. Knowing that two lines equaling a third are equal is useful; the condition “two lines equaling a third” often holds. In fact any two sides of an equilateral triangle is equal to the remaining side! But could knowing that two lines being [identical to] a third are identical be useful? The antecedent condition “two things identical to a third” never holds, nor does the consequent condition “two things being identical”. If two things were identical to a third, they would be the third and thus not be two things but only one. The plural predicate ‘are equal’ as in ‘All diameters of a given circle are equal’ is useful and natural. ‘Are identical’ as in ‘All centers of a given circle are identical’ is awkward or worse; it suggests that a circle has multiple centers. Substituting equals for equals [replacing one of two equals by the other] makes sense. Substituting identicals for identicals is empty—a thing is identical only to itself; substituting one thing for itself leaves that thing alone, does nothing. There are as many types of equality as magnitudes: angles, lines, planes, solids, times, etc. Each admits unit magnitudes. And each such equality analyzes as identity of magnitude: two lines are equal [in length] if the one’s length is identical to the other’s. Tarski [1] hardly mentioned equality-identity distinctions (pp. 54-63). His discussion begins: Among the logical concepts […], the concept of IDENTITY or EQUALITY […] has the greatest importance. Not until page 62 is there an equality-identity distinction. His only “notion of equality”, if such it is, is geometrical congruence—having the same size and shape—an equivalence relation not admitting any unit. Does anyone but Tarski ever say ‘this triangle is equal to that’ to mean that the first is congruent to that? What would motivate him to say such a thing? This lecture treats the history and philosophy of equality-identity distinctions. [1] ALFRED TARSKI, Introduction to Logic, Dover, New York, 1995. [This is expanded from the printed abstract.

NASA MAA (MUREP AEROSPACE ACADEMY) STEM PROJECT AT YORK COLLEGE: ENSURING FUTURE STEM PIPELINE

Our ongoing K1-12 NASA-supported STEM activities has served over 5000 children since 2015, largely from groups that are undeserved and underrepresented in the sciences. These STEM activities have been successfully delivered for several years and include earth science, meteorite geology, rocketry, aerodynamics, star gazing, EV3 Mindstorm robotics, basic coding exercises, wind tunnel, 3D-printing, etc., conducted largely through our present MAA (MUREP Aerospace Academy) Project. Corporate funding from the Con Edison and National Grid ensures additional STEM dissemination to the students during the summer operation. Significant positive component of the MAA program is the availability and willingness of the former student participants (many of whom are completing STEM majors in college) to extend their helping hands to assist teachers and guide students to fulfill assigned tasks and share their rich experience to reinforce the value of STEM learning. In a way, they validate students’ participation and promote meaningful dialog with their parents, mostly first generation Americans, often with English as a second language, and lacking knowledge of the importance of the STEM disciplines and careers built around it. Recent involvement of the City University of New York’s (CUNY) Explorer’s Program, a vigorous initiative undertaken by the CUNY to bring thousands of middle school students to the various CUNY campuses, including York College, opened a formidable partnership building opportunity for the MAA to tap into the future pipeline by engaging visiting students with our STEM facilities and educating these young and curious minds about the future STEM potential both in selecting exciting academic and career options. STEM outreach delivered through hands-on, team work, in an experiential and critical thinking environment is becoming a catalyst for motivating numerous students towards earth science and relevant NASA content. This way, MAA Program is creating a STEM conscious young student body and providing a strategic recruitment tool for various undergraduate STEM disciplines. Early involvement of middle school students in STEM activities can be deemed as a powerful and viable mechanism to overcome an apparent shortage of STEM workforce representing minorities, women and financially disadvantaged groups

Peripheral venous congestion causes time- and dose-dependent release of endothelin-1 in humans

Endothelin-1 (ET-1) is a pivotal mediator of vasoconstriction and inflammation in congestive states such as heart failure (HF) and chronic kidney disease (CKD). Whether peripheral venous congestion (VC) increases plasma ET-1 at pressures commonly seen in HF and CKD patients is unknown. We seek to characterize whether peripheral VC promotes time- and dose-dependent increases in plasma ET-1 and whether these changes are sustained after decongestion. We used a randomized, cross-over design in 20 healthy subjects (age 30 ± 7 years). To experimentally model VC, venous pressure was increased to either 15 or 30 mmHg (randomized at first visit) above baseline by inflating a cuff around the subject\u27s dominant arm; the nondominant arm served as a noncongested control. We measured plasma ET-1 at baseline, after 20, 60 and 120 min of VC, and finally at 180 min (60 min after cuff release and decongestion). Plasma ET-1 progressively and significantly increased over 120 min in the congested arm relative to the control arm and to baseline values. This effect was dose-dependent: ET-1 increased by 45% and 100% at VC doses of 15 and 30 mmHg, respectively

Effective DNA/RNA Co-Extraction for Analysis of MicroRNAs, mRNAs, and Genomic DNA from Formalin-Fixed Paraffin-Embedded Specimens

Background: Retrospective studies of archived human specimens, with known clinical follow-up, are used to identify predictive and prognostic molecular markers of disease. Due to biochemical differences, however, formalin-fixed paraffinembedded (FFPE) DNA and RNA have generally been extracted separately from either different tissue sections or from the same section by dividing the digested tissue. The former limits accurate correlation whilst the latter is impractical when utilizing rare or limited archived specimens. Principal Findings: For effective recovery of genomic DNA and total RNA from a single FFPE specimen, without splitting the proteinase-K digested tissue solution, we optimized a co-extraction method by using TRIzol and purifying DNA from the lower aqueous and RNA from the upper organic phases. Using a series of seven different archived specimens, we evaluated the total amounts of genomic DNA and total RNA recovered by our TRIzol-based co-extraction method and compared our results with those from two commercial kits, the Qiagen AllPrep DNA/RNA FFPE kit, for co-extraction, and the Ambion RecoverAll TM Total Nucleic Acid Isolation kit, for separate extraction of FFPE-DNA and-RNA. Then, to accurately assess the quality of DNA and RNA co-extracted from a single FFPE specimen, we used qRT-PCR, gene expression profiling and methylation assays to analyze microRNAs, mRNAs, and genomic DNA recovered from matched fresh and FFPE MCF10A cells. These experiments show that the TRIzol-based co-extraction method provides larger amounts of FFPE-DNA and –RNA tha

Food allergies and perceptions towards food allergen labelling in Mauritius

There remains a paucity of research in food allergies in Sub-saharan Africa. It is the aim of this study 4 to determine the self-reported prevalence of food allergies and consumers’ perceptions towards food 5 allergen labelling in Mauritius. A survey was conducted in four supermarkets in the Municipalities of 6 Vacoas-Phoenix, Quatre-Bornes and Moka during the period of September to November 2017. The 7 questionnaire was designed based on previous studies and administered using a face-to-face 8 interview approach to increase completion rate. Descriptive analysis and one-way ANOVA between 9 subjects design were conducted. Shellfish was reported as the most common causative agent 10 followed by fish, egg and peanut. Respondents were satisfied with the current font size and general 11 information provided in food labels. Respondents agreed that it could be problematic to identify 12 suitable foods for individuals suffering from food allergies or intolerances. Variations of PAL 13 statements and generic terms provided in food labels, and location of allergy warnings were cause for 14 concern. More than 80% of the respondents felt that allergens in ingredient list should be emphasised 15 (e.g. bold font) and plain English or French language should be used to describe allergenic 16 ingredients. The findings in this study provide practical insights on food allergen labelling issues for 17 policy makers and stakeholders in the food supply chain. Determining the prevalence of food allergies 18 in the country will inform policy makers to consider adding shellfish and other major allergenic 19 ingredients to the list of ingredients requiring mandatory allergen warning label in Mauritiu