37 research outputs found

    The Grizzly, February 17, 1997

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    Window Shopping Without the Glass • Ursinus Celebrates Diversity Week • Students Benefit from Internships • Study Abroad: They Don\u27t Call \u27Em Deadlines For Nothing • Campus Apathy on the Issue of Diversity • And the Spirit Moved Them • Caplan Addresses Ethical Issues • Dr. Scott Landis\u27 Resignation Announced • So This is What Security Does: Ursinus\u27 Security Log Returns • Opinion: Greek Speaks Out; Read This if you Think Pledging is Dumb; Come Catch a Square; Perspective from Scotland; Faces of Silence • Defend Yourself! • Keep the Tutorial Program Alive! • Wrestling Bears Win Conference Championship • Women\u27s Basketball Nets Three More Wins • Men\u27s Basketball Drops Two • Gymnasts Leap to Two More Winshttps://digitalcommons.ursinus.edu/grizzlynews/1397/thumbnail.jp

    The genetic architecture of the human cerebral cortex

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    The cerebral cortex underlies our complex cognitive capabilities, yet little is known about the specific genetic loci that influence human cortical structure. To identify genetic variants that affect cortical structure, we conducted a genome-wide association meta-analysis of brain magnetic resonance imaging data from 51,665 individuals. We analyzed the surface area and average thickness of the whole cortex and 34 regions with known functional specializations. We identified 199 significant loci and found significant enrichment for loci influencing total surface area within regulatory elements that are active during prenatal cortical development, supporting the radial unit hypothesis. Loci that affect regional surface area cluster near genes in Wnt signaling pathways, which influence progenitor expansion and areal identity. Variation in cortical structure is genetically correlated with cognitive function, Parkinson's disease, insomnia, depression, neuroticism, and attention deficit hyperactivity disorder

    The James Webb Space Telescope Mission

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    Twenty-six years ago a small committee report, building on earlier studies, expounded a compelling and poetic vision for the future of astronomy, calling for an infrared-optimized space telescope with an aperture of at least 4m4m. With the support of their governments in the US, Europe, and Canada, 20,000 people realized that vision as the 6.5m6.5m James Webb Space Telescope. A generation of astronomers will celebrate their accomplishments for the life of the mission, potentially as long as 20 years, and beyond. This report and the scientific discoveries that follow are extended thank-you notes to the 20,000 team members. The telescope is working perfectly, with much better image quality than expected. In this and accompanying papers, we give a brief history, describe the observatory, outline its objectives and current observing program, and discuss the inventions and people who made it possible. We cite detailed reports on the design and the measured performance on orbit.Comment: Accepted by PASP for the special issue on The James Webb Space Telescope Overview, 29 pages, 4 figure

    Investigating Post-sport Adjustment Experiences of Former Canadian Major Junior Hockey Players

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    This project explored the post-sport adjustment experiences of former Canadian major junior hockey (CHL) players in the years following their athletic retirement. This study was conducted using a qualitative, within-subjects, longitudinal research design to understand the manner by which elite CHL athletes make sense of their athletic retirement experiences across time. Four former CHL players participated in two semi-structured interviews; one occurred shortly after their athletic retirement and the next was conducted approximately 24 months later. Interviews were then analyzed in accordance with the interpretative phenomenological analysis (IPA) method. Themes identified in each participant’s account were compared and contrasted across all participants to generate an in-depth portrayal that gave voice to participants’ athletic retirement and subsequent post-sport adjustment transitions. Results revealed that participants continued to have unresolved feelings about their athletic retirement and experienced conflicting emotions of both pride and embarrassment in relation to their athletic identity. Participants post-sport adjustment experiences focused on attempts to renegotiate self-worth and prove their worth off the ice. As the post-sport adjustment period progressed, participants described moving from avoidance-based coping strategies to increasing action-oriented coping strategies which facilitated feelings of control and autonomy. Recommendations for helping professionals are provided and highlight the need for person-centred and multi-level interventions to support athletic retirement transitions. Additional longitudinal research is required to further develop understanding of the ongoing effects of athletic retirement and elite athletes’ post-sport adjustment experiences across time

    Ten-Year Review of Monitoring System on I-35W Saint Anthony Falls Bridge

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    The I-35W St. Anthony Falls bridge was highly instrumented with over 500 sensors to verify design assumptions, serve as a testbed to examine bridge sensing techniques, and evaluate the effectiveness of different bridge monitoring strategies. The instrumentation deployed on the bridge to investigate the structural behavior included vibrating wire strain gages (VWSGs), thermistors, fiber optic sensors (SOFO), resistance strain gages, linear potentiometers, accelerometers, and corrosion monitoring sensors. This report documented the successes and challenges of the monitoring program over the first ten years of the bridge’s life. In particular, the effectiveness of different strain measurement techniques and sensor distributions were addressed. Previous investigations of temperature-dependent and time-dependent behavior were also expanded with the larger data set to better understand the behavior of post-tensioned concrete box girder structures with the potential to impact future designs
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