407 research outputs found

    Book Reviews

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    The Hebrew God: Portrait of an Ancient Deity Lang, Bernhard New Haven and London: Yale University Press, 2002 Reviewed By Bill T. Arnold A Marginal Jew, vol. 3, Companions and Competitors Meier, John P New York, N.Y.: Doubleday, 2001 Reviewed By Mattie Greathouse The Gospel of Mark: A Soda-Rhetorical Commentary Witherington, Ill, Ben Grand Rapids: William B. Eerdmans, 2001 Reviewed By Greg Carey After Our Likeness: The Church as the Image of the Trinity. Trans. Doug Scott Voli, Miroslav Grand Rapids, MI: William B. Eerdmans, 1998 Reviewed By Howard A. Snyder The Literary Structure of the Old Testament: A Commentary on Genesis-Malachi Dorsey, David A. Grand Rapids: Baker, 1999 Reviewed By Joel H. Hunt Make the Old Testament Live: From Curriculum to Classroom Hess, Richard S., and Cordon J. Wenham, editors Eerdmans, 1998 Reviewed By Joel H. Hunt Christology Schwarz, Hans Grand Rapids : William B. Eerdmans, 1998 Reviewed By Greg Carey New Testament History: A Narrative Account Witherington, Ben Grand Rapids: Baker, 2001 Reviewed By Ruth Anne Reese The Omphalos and the Cross: Pagans and Christians in Search of a Divine Center Ciholas, Paul Macon : Mercer University Press, 2003 Reviewed By Michael Harstad Participating in God: Creation and Trinity Powell, Samuel M. Minneapolis: Fortress Press, 2003 Reviewed By James Holsinger Judges. Interpretation Commentary Series McCann, J. Clinton Louisville: Westminster/John Knox, 2002 Reviewed By Victor H. Matthews Clark H. Pinnock: Journey Toward Renewal: An Intellectual Biography Callen, Barry L Published in Cooperation with The Wesleyan Theological Society. Nappanee, IN: Evangel Publishing House, 2000 Reviewed By Howard A. Snyder Radical Christianity: The Believers Church Tradition in Christianity\u27s History and Future Callen, Barry L Nappanee, IN: Evangel Publishing House, 1999 Reviewed By Howard A. Snyder The Unity Movement Vahle, Neal Philadelphia: Templeton Foundation Press, 2002 Reviewed By Steven Tsoukala

    Relationships Between Long-Range Lightning Networks and TRMM/LIS Observations

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    Recent advances in long-range lightning detection technologies have improved our understanding of thunderstorm evolution in the data sparse oceanic regions. Although the expansion and improvement of long-range lightning datasets have increased their applicability, these applications (e.g., data assimilation, atmospheric chemistry, and aviation weather hazards) require knowledge of the network detection capabilities. The present study intercompares long-range lightning data with observations from the Lightning Imaging Sensor (LIS) aboard the Tropical Rainfall Measurement Mission (TRMM) satellite. The study examines network detection efficiency and location accuracy relative to LIS observations, describes spatial variability in these performance metrics, and documents the characteristics of LIS flashes that are detected by the long-range networks. Improved knowledge of relationships between these datasets will allow researchers, algorithm developers, and operational users to better prepare for the spatial and temporal coverage of the upcoming GOES-R Geostationary Lightning Mapper (GLM)

    Cancer stem cells: Mediators of tumorigenesis and metastasis in head and neck squamous cell carcinoma

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    BackgroundCancer stem cells (CSCs) represent a subpopulation of cells responsible for tumor growth. Their role in head and neck squamous cell carcinoma (HNSCC) tumorigenesis and metastasis remains uncertain.MethodsWound healing and an orthotopic animal model were used to study cells expressing the CSC phenotype (CD44high and aldehyde dehydrogenase [ALDH]+) and assess mobility, tumorigenesis, and metastasis. A prospective collection of 40 patient‐derived primary HNSCC specimens were analyzed for CSC‐proportion compared to clinical variables.ResultsCSCs exhibited significantly faster wound closure and greater tumorigenesis and regional metastasis in vivo than non‐CSCs. In primary patient tumors, size and advanced stage were correlated with elevated proportion of CSCs, however, not with survival.ConclusionHNSCC stem cells mediate tumorigenesis and regional metastasis in vivo. In primary patient tumors, CSC‐proportion was associated with tumor size and stage, but not with metastatic spread or survival. CSC burden alone may only represent a minor variable in understanding CSCs and metastasis. © 2014 Wiley Periodicals, Inc. Head Neck 37: 317–326, 2015Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/110728/1/hed23600.pd

    Metagenomic investigation of the geologically unique Hellenic Volcanic Arc reveals a distinctive ecosystem with unexpected physiology

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    Hydrothermal vents represent a deep, hot, aphotic biosphere where chemosynthetic primary producers, fuelled by chemicals from Earth\u27s subsurface, form the basis of life. In this study, we examined microbial mats from two distinct volcanic sites within the Hellenic Volcanic Arc (HVA). The HVA is geologically and ecologically unique, with reported emissions of CO2‐saturated fluids at temperatures up to 220°C and a notable absence of macrofauna. Metagenomic data reveals highly complex prokaryotic communities composed of chemolithoautotrophs, some methanotrophs, and to our surprise, heterotrophs capable of anaerobic degradation of aromatic hydrocarbons. Our data suggest that aromatic hydrocarbons may indeed be a significant source of carbon in these sites, and instigate additional research into the nature and origin of these compounds in the HVA. Novel physiology was assigned to several uncultured prokaryotic lineages; most notably, a SAR406 representative is attributed with a role in anaerobic hydrocarbon degradation. This dataset, the largest to date from submarine volcanic ecosystems, constitutes a significant resource of novel genes and pathways with potential biotechnological applications

    The Science Case for an Extended Spitzer Mission

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    Although the final observations of the Spitzer Warm Mission are currently scheduled for March 2019, it can continue operations through the end of the decade with no loss of photometric precision. As we will show, there is a strong science case for extending the current Warm Mission to December 2020. Spitzer has already made major impacts in the fields of exoplanets (including microlensing events), characterizing near Earth objects, enhancing our knowledge of nearby stars and brown dwarfs, understanding the properties and structure of our Milky Way galaxy, and deep wide-field extragalactic surveys to study galaxy birth and evolution. By extending Spitzer through 2020, it can continue to make ground-breaking discoveries in those fields, and provide crucial support to the NASA flagship missions JWST and WFIRST, as well as the upcoming TESS mission, and it will complement ground-based observations by LSST and the new large telescopes of the next decade. This scientific program addresses NASA's Science Mission Directive's objectives in astrophysics, which include discovering how the universe works, exploring how it began and evolved, and searching for life on planets around other stars.Comment: 75 pages. See page 3 for Table of Contents and page 4 for Executive Summar
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