853 resultados para Ancient Greek Thought


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We report new evidence that bears decisively on a long-standing controversy in primate systematics. DNA sequence data for the complete cytochrome b gene, combined with an expanded morphological data set, confirm the results of a previous study and again indicate that all extant Malagasy lemurs originated from a single common ancestor. These results, as well as those from other genetic studies, call for a revision of primate classifications in which the dwarf and mouse lemurs are placed within the Afro-Asian lorisiforms. The phylogenetic results, in agreement with paleocontinental data, indicate an African origin for the common ancestor of lemurs and lorises (the Strepsirrhini). The molecular data further suggest the surprising conclusion that lemurs began evolving independently by the early Eocene at the latest. This indicates that the Malagasy primate lineage is more ancient than generally thought and places the split between the two strepsirrhine lineages well before the appearance of known Eocene fossil primates. We conclude that primate origins were marked by rapid speciation and diversification sometime before the late Paleocene.

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Gonadotropin-releasing hormone (GnRH) is known and named for its essential role in vertebrate reproduction. Release of this decapeptide from neurons in the hypothalamus controls pituitary gonadotropin levels which, in turn, regulate gonadal state. The importance of GnRH is underscored by its widespread expression and conservation across vertebrate taxa: five amino acids are invariant in all nine known forms, whereas two others show only conservative changes. In most eutherian mammals, only one form, expressed in the hypothalamus, is thought to exist, although in a recent report, antibody staining in developing primates suggests an additional form. In contrast, multiple GnRH forms and expression loci have been reported in many non-mammalian vertebrates. However, evidence based on immunological discrimination does not always agree with analysis of gene expression, since GnRH forms encoded by different genes may not be reliably distinguished by antibodies. Here we report the expression of three distinct GnRH genes in a teleost fish brain, including the sequence encoding a novel GnRH preprohormone. Using in situ hybridization, we show that this form is found only in neurons that project to the pituitary and exhibit changes in soma size depending on social and reproductive state. The other two GnRH genes are expressed in other, distinct cell populations. All three genes share the motif of encoding a polypeptide consisting of GnRH and a GnRH-associated peptide. Whereas the GnRH moiety is highly conserved, the GnRH-associated peptides are not, reflecting differential selective pressure on different parts of the gene. GnRH forms expressed in nonhypothalamic regions may serve to coordinate reproductive activities of the animal.

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This thesis examines three different kinds of socio-political rewritings of Greek and Roman tragedies – Sarah Kane’s “Phaedra’s Love”, Tony Harrison’s “Prometheus”, and Martin Crimp’s “Cruel and Tender” – written, staged or screened in Britain (and, more precisely, England) between 1996 and 2004. Offering close readings of these re-visionary appropriations, this dissertation analyses some of the innumerable and unexpected forms that ancient tragedy can assume today. In particular, it explores how three talented British authors have subverted the conventions of the noblest literary and dramatic genre in order to (re)write contemporaneity in ways that oscillate between the personal and the public, the local and the global, the national and the transnational.

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This dissertation examines ancient historiographic citation methodologies in light of Mikhail Bakhtin’s dichotomy between polyphony and monologization. In particular, this dissertation argues that Eusebius of Caesarea’s Historia ecclesiastica (HE) abandons the monologic citation methodology typical of previous Greek and Hellenistic historiography and introduces a polyphonic citation methodology that influences subsequent late-ancient Christian historiography to varying degrees. Whereas Pre-Eusebian Greek and Hellenistic historiographers typically use citations to support the single authorial consciousness of the historiographer, Eusebius uses citations to counterbalance his own shortcomings as a witness to past events. Eusebius allows his citations to retain their own voice, even when they conflict with his. The result is a narrative that transcends the point of view of any single individual and makes multiple witnesses, including the narrator, available to the reader. Post-Eusebian late-ancient Christian historiographers exhibit the influence of Eusebius’ innovation, but they are not as intentional as Eusebius in their use of citation methodologies. Many subsequent Christian historiographers use both monologic and polyphonic citation methodologies. Their tendency to follow Eusebius’ practice of citing numerous lengthy citations sometimes emphasizes points of view that oppose the author’s point of view. When an opposing viewpoint surfaces in enough citations, a polyphonic citation methodology emerges. The reader holds the two different narrative strands in tension as the author continues to give voice to opposing viewpoints. After illustrating the citation methodologies with passages from numerous Greek, Hellenistic, and late ancient Christian historiographers, this dissertation concludes with a short computational analysis that uses natural language processing to reveal some broad trends that highlight the previous findings and suggest a possibility for future research.

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Since Syriza’s victory in Greece’s recent general election, some fear a return to the uncertainty of 2012, when many thought that a Greek default and exit from the eurozone were imminent and that a Greek debt crisis could destabilise – and perhaps even bring down – Europe’s monetary union. CEPS Director Daniel Gros explains in this CEPS Commentary how this time really is different.

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"Issued for the Rationalist Press Association limited."

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Three sets of songs bound together : a set of six songs.

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Mode of access: Internet.

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Cover-title.

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Mode of access: Internet.

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United Bible Societies language: Greek: Ancient.

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First German edition, 1764, 1st edition of Lodge's translation, 1849-73.

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Appendix (p. [279]-333):--Liturgia S. Clementis.--The Order of the Communion, 1548.--The Supper of the Lorde, 1549.

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v.1. First course: The Greek language and poetry. Second course: The life of Greece.--v.2. Third course: Constitutions and orators of Greece. Fourth course: Modern Greece.

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Introduction.--The gods and heroes.--Tales of the Trojan War.--Tales of Thebes.--Miscellaneous tales.