Saint Francis in Ecstasy

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New Snow, January 31st, Ann Arbor

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Mentoring novice elementary teachers in science teaching

This dissertation explored how novice elementary teachers learn to teach science, how their preparation for teaching affects their classroom practice and their students\u27 learning, and how they may be mentored toward more reform-based science practice. The instructional practices of four novice elementary teachers, two from traditional and two from alternative preparation programs, were studied as they worked with mentor teachers toward building pedagogical content knowledge for reform-based instruction in science. Data collected from interviews of novice and mentor teachers, from classroom observations of science lessons, from observations of mentor-novice conferences, and from student work were analyzed to discover patterns of information that may lead to understandings about effective practices for mentored learning to teach in science

Walt Whitman, the Apostle

Argues that an inadequately investigated feature of Whitman\u27s poetry is the "preacherly performance" his work enacts in an effort to convert the reader into being reborn into "Whitman\u27s image of a new American personality" and thus "redeem the nation.

Reading Sylvia\u27s Journals

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A new look at localic interpolation theorems

This paper presents a new treatment of the localic Katetov-Tong interpolation theorem, based on an analysis of special properties of normal frames, which shows that it does not hold in full generality. Besides giving us the conditions under which the localic Katetov-Tong interpolation theorem holds, this approach leads to a especially transparent and succinct proof of it. It is also shown that this pointfree extension of Katetov-Tong theorem still covers the localic versions of Urysohn's Lemma and Tietze's Extension Theorem.http://www.sciencedirect.com/science/article/B6V1K-4GWBDP0-3/1/c51690ad60d2e54badeac9b463852c5

Characterization of avian natural killer cells and their intracellular CD3 protein complex

Natural killer (NK) cell activity appears to be conserved throughout vertebrate development but NK cells have only been well characterized in mammals. Candidate NK cells have been identified in the chicken as cytoplasmic CD3+ and surface T cell receptor (TCR)/CD3- (TCRO) lymphocytes that often express CD8. The fact that the TCRO cells are abundant in the embryonic spleen before T cells enter this organ allowed us to cultivate the embryonic TCRO cells using growth factors derived from activated adult lymphocytes. These TCRO cells were cytotoxic for an NK target cell line. They expressed cell surface CD8, a putative interleukin-2 receptor, CD45 and a receptor for IgG, but did not express CD4, major histocompatibility complex class II or immunoglobulin. Biochemical analysis of the cytoplasmic CD3 antigen revealed two of the three CD3 , and homologues, and RNA transcripts for the third. The CD3 monoclonal antibody also precipitated a 32-kDa dimer that may represent a heterodimer of different CD3 constituents. TCR and gene transcripts were not detected in the TCRO cells. These results indicate that the avian TCRO cell is the mammalian NK cell homologue. The shared evolutionary features of T cells and NK cells in birds and mammals support the idea that they derive from a common progenito

Agents of Modernization in the Florida Keys: FERA, The American Red Cross, and the Concrete Hurricane Houses

On a warm but mostly cloudy October night in 1935, recordbreaking crowds danced at a new club on the boulevard in Key West. While friends swayed to slow fox trots and waltzes, eighty miles north-east, along the railway route between Key West and Miami, lay the debris of storm-tossed houses, a destroyed railroad, and ruined highway system. Initially predicted to hit Key West, the storm had instead hit the Upper Keys in the complete darkness of night, September 2, 1935, Labor Day weekend. Producing the lowest barometric pressure ever recorded over land in North America, its 200-mile-per-hour winds and crushing surge leveled buildings, tossed rail cars off their tracks, and killed at least 400 people. The dead included many from the tightly knit conch families community of Upper Keys dwellers, and hundreds of federal relief laborers, largely World War I veterans, encamped in canvas tents near their construction sites. With national investigations in the works following up on the deaths of hundreds ofveterans, local officials prioritized transportation needs for what they hoped would be a banner tourist season. For dancers at the club and other residents, relief at being spared was descending into panic and depression as they realized their practical isolation, a different kind ofexistential threat. The Florida East Coast Railroad (FEC) connecting them to peninsular Florida was in ruins. The highway system, supplemented at intervals by an island-hopping ferry service, was unusable. Many Keys residents favored repair of the railroad, but a competing proposal supported construction of a raised super-highway for cars, to replace the crippled train line. The highway would run along the FEC railroad right-of-way. Many people who favor the \u27super-highway,\u27 do not realize the far-reaching results to the future, said the pro-railroad Committee of Division Street School Teachers, one group who doubted car traffic could adequately replace known train revenues