163 research outputs found
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Monitoring Waste to Minimize Waste at the University of Massachusetts Amherst
The University of Massachusetts Amherst is committed to sustainability, however, the campus could further reduce its costs and save energy by optimizing the current method of waste removal. The Intergovernmental Panel on Climate Change predicts that by the end of the century, Earth’s average temperature will rise by 11 degrees Fahrenheit unless society takes action to reduce greenhouse gas emissions. According to the EPA, about one-third of carbon emissions in the U.S. come from transportation. Campus garbage bins are collected by carbon-emitting trucks daily, and large truckable waste compactors are collected about three times per week. The amount of harmful carbon emissions released by trucking all of the compactors to their disposal sites totals 9,600 pounds of CO2 (the weight of 12 grand pianos) every week. In this analysis, the current waste removal system is investigated and a method is proposed to save UMass money and energy by reducing the number of waste collections. Initial research focused on how traditional bins could be replaced with solar-powered compactors from Bigbelly Solar Inc. to reduce pickup frequency and generate revenue from separating waste. Findings indicate that solar compactors alone would not have a worthwhile impact on the energy consumption of the UMass campus. Alternatively, a monitoring system that reduces how frequently waste compactors are hauled from campus would have greater impact, saving $1,000 every two weeks, reducing harmful carbon emissions, and using less diesel fuel. Due to the current environmental crisis, UMass should take action to reduce its carbon footprint through this economically favorable system
Higher Education Instructional Change in a U.S. Context: Investigating the Scholarship of Teaching and Learning (SoTL) Innovations at Niagara University
A metà Settembre 2013, due degli autori di questo articolo sono stati a Lecce (Italia) realizzando una presentazionein una conferenza sull’istruzione superiore. In quella sede, è stato possibile condividere con i partecipanti i dieci cambiamenti più potenti e significativi che hanno avuto luogo nel vasto panoramadell’accademia americana. L’elenco si componeva di sviluppi di tipo teorico; così come da diversi livelli di implementazione e pratica presso l’Università di Niagara, nell’angolo Nord Est degli Stati Uniti. Tra le iniziative messe in evidenza è stata prima e soprattutto menzionato il lavoro di Ernest Boyer sulla Scholarshipof Teaching and Learning (SoTL), ovvero la sua visione su strade alternative comunque accademiche, basate sulla didattica, per il successo della formazione universitaria. Il percorso tracciato dal movimento SoTL cambia la cultura universitaria, collocando l’insegnamento come priorità ; e la “scholarship” (ricerca didattica) emergente dagli studi sull’innovazione didattica come una disciplina di ricerca che può alinearse ad altre nell’ambito accademico. Le esperienze all’Università Niagara forniscono sia un caso di studio dell’implementazione dei suddetti concetti in una moderna istituzione americana; sia un’opportunità per la comparazione con i vari casi delle istituzioni italiane. Inoltre, il lavoro portato avanti dall’università di Niagara risulta competitivo con riguardo ad alcune delle più riconosciute università americane, potendo essere considerato all’avanguardia dell’emergente movimentoSoTL. Questo articolo fornisce un breve resoconto e definizione del modello di Boyer su SoTL, suggerendo come le istituzioni potrebbero adottare tale paradigma sia come strategia per lo sviluppo professionale accademico, sia come adeguata base per la valutazione del lavoro del docente universitario
Rapid Evolution of Coral Proteins Responsible for Interaction with the Environment
Christian R. Voolstra is with King Abdullah University of Science and Technology, Shinichi Sunagawa is with the European Molecular Biology Laboratory, Mikhail V. Matz is with UT Austin, Till Bayer is with King Abdullah University of Science and Technology, Manuel Aranda is with King Abdullah University of Science and Technology, Emmanuel Buschiazzo is with University of California Merced, Michael K. DeSalvo is with University of California San Francisco, Erika Lindquist is with the Department of Energy Joint Genome Institute, Alina M. Szmant is with University of North Carolina Wilmington, Mary Alice Coffroth is with State University of New York at Buffalo, MĂłnica Medina is with University of California Merced.Background -- Corals worldwide are in decline due to climate change effects (e.g., rising seawater temperatures), pollution, and exploitation. The ability of corals to cope with these stressors in the long run depends on the evolvability of the underlying genetic networks and proteins, which remain largely unknown. A genome-wide scan for positively selected genes between related coral species can help to narrow down the search space considerably. Methodology/Principal Findings -- We screened a set of 2,604 putative orthologs from EST-based sequence datasets of the coral species Acropora millepora and Acropora palmata to determine the fraction and identity of proteins that may experience adaptive evolution. 7% of the orthologs show elevated rates of evolution. Taxonomically-restricted (i.e. lineage-specific) genes show a positive selection signature more frequently than genes that are found across many animal phyla. The class of proteins that displayed elevated evolutionary rates was significantly enriched for proteins involved in immunity and defense, reproduction, and sensory perception. We also found elevated rates of evolution in several other functional groups such as management of membrane vesicles, transmembrane transport of ions and organic molecules, cell adhesion, and oxidative stress response. Proteins in these processes might be related to the endosymbiotic relationship corals maintain with dinoflagellates in the genus Symbiodinium. Conclusion/Relevance -- This study provides a birds-eye view of the processes potentially underlying coral adaptation, which will serve as a foundation for future work to elucidate the rates, patterns, and mechanisms of corals' evolutionary response to global climate change.This work was supported by DEB-1054766 to M.V.M. and National Science Foundation grants IOS-0644438 and OCE-0313708 to M.M., and by a Collaborative Travel Fund to C.R.V. made by King Abdullah University of Science and Technology (KAUST). The work conducted by the U.S. Department of Energy Joint Genome Institute is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.Biological Sciences, School o
The Perfect Finance Minister: Whom to Appoint as Finance Minister to Balance the Budget?
Comprehensive Pan-Genomic Characterization of Adrenocortical Carcinoma
SummaryWe describe a comprehensive genomic characterization of adrenocortical carcinoma (ACC). Using this dataset, we expand the catalogue of known ACC driver genes to include PRKAR1A, RPL22, TERF2, CCNE1, and NF1. Genome wide DNA copy-number analysis revealed frequent occurrence of massive DNA loss followed by whole-genome doubling (WGD), which was associated with aggressive clinical course, suggesting WGD is a hallmark of disease progression. Corroborating this hypothesis were increased TERT expression, decreased telomere length, and activation of cell-cycle programs. Integrated subtype analysis identified three ACC subtypes with distinct clinical outcome and molecular alterations which could be captured by a 68-CpG probe DNA-methylation signature, proposing a strategy for clinical stratification of patients based on molecular markers
ConectCat : aplicación web : fiestas locales y otros servicios y puntos de interés en Cataluña
Aplicación web basada en mapas interactivos y timeline. Permite visualizar las fiestas locales asà como otros servicios y puntos de interés de Cataluña
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