2,844 research outputs found

    Keys and Notes on the Buprestidae (Coleoptera) of Michigan

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    The distribution and dates of adult activity for Michigan buprestids are discussed. Keys to the genera and species, as well as host information are presented for 116 species and one subspecies. Information on collecting techniques, illustrations of genitalia of 14 species, and scanning electron micrographs of certain structures useful in species identification are presented and discussed. In addition, Pachyschelus confusus, a new species, is described from bush clover

    Engraved Portrait of Stephen A. Douglas

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    The black and white engraving features a vignette portrait of Stephen A. Douglas from the chest up. It is printed with black ink on off-white paper that shows signs of foxing. The print appears to have been removed from a bound volume, John S. C. Abbott\u27s The History of the Civil War in America.https://scholarsjunction.msstate.edu/fvw-prints/1082/thumbnail.jp

    The Role Of Student Performance Reviews In A Teacher Preparation Program: Can This Teacher Candidate Be Saved?

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    Teacher preparation programs assess students’ knowledge, skills, and dispositions throughout the program.  When concerns about student performance arise, the Student Performance Review is a vehicle for “saving” teacher candidates

    The Politics Of Standards-Based Curriculum In A Course-Based Environment

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    Demands for standards-based teacher education clash with university systems in a case study of one university's experience in revising its elementary education program. Issues of power and identity are explored

    Project SOAR Supporting Disadvantaged Students Technology Needs

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    Project SOAR was developed to support the technology needs of financially or physically disadvantaged students or minority students who are actively engaged in a teacher certification program

    Coming to America: Multiple Origins of New World Geckos

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    Geckos in the Western Hemisphere provide an excellent model to study faunal assembly at a continental scale. We generated a time-calibrated phylogeny, including exemplars of all New World gecko genera, to produce a biogeographic scenario for the New World geckos. Patterns of New World gecko origins are consistent with almost every biogeographic scenario utilized by a terrestrial vertebrate with different New World lineages showing evidence of vicariance, dispersal via temporary land bridge, overseas dispersal, or anthropogenic introductions. We also recovered a strong relationship between clade age and species diversity, with older New World lineages having more species than more recently arrived lineages. Our data provide the first phylogenetic hypothesis for all New World geckos and highlight the intricate origins and ongoing organization of continental faunas. The phylogenetic and biogeographical hypotheses presented here provide an historical framework to further pursue research on the diversification and assembly of the New World herpetofauna

    NGTS-4b: A sub-Neptune transiting in the desert

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    We report the discovery of NGTS-4b, a sub-Neptune-sized planet transiting a 13th magnitude K-dwarf in a 1.34 d orbit. NGTS-4b has a mass M = 20.6 ± 3.0 M⊕ and radius R = 3.18 ± 0.26 R⊕, which places it well within the so-called ‘Neptunian Desert’. The mean density of the planet (3.45 ± 0.95 g cm−3) is consistent with a composition of 100  per cent H2O or a rocky core with a volatile envelope. NGTS-4b is likely to suffer significant mass loss due to relatively strong EUV/X-ray irradiation. Its survival in the Neptunian desert may be due to an unusually high-core mass, or it may have avoided the most intense X-ray irradiation by migrating after the initial activity of its host star had subsided. With a transit depth of 0.13 ± 0.02 per cent, NGTS-4b represents the shallowest transiting system ever discovered from the ground, and is the smallest planet discovered in a wide-field ground-based photometric survey

    Photograph of Stonewall Jackson Engraving

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    Photo of Stonewall Jackson, after an engraving by W.G. Jackman.https://scholarsjunction.msstate.edu/fvw-artifacts/3208/thumbnail.jp

    A. Lincoln Color Engraving

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    The color engraving features a portrait of Abraham Lincoln from the waist up. It originally appeared in John S. C. Abbott\u27s The History of the Civil War in America.https://scholarsjunction.msstate.edu/fvw-prints/1122/thumbnail.jp
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