999 resultados para Oratory, Ancient.


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Lactation, an important characteristic of mammalian reproduction, has evolved by exploiting a diversity of strategies across mammals. Comparative genomics and transcriptomics experiments have now allowed a more in-depth analysis of the molecular evolution of lactation. Milk cell and mammary gland genomic studies have started to reveal conserved milk proteins and other components of the lactation system of monotreme, marsupial, and eutherian lineages. These analyses confirm the ancient origin of the lactation system and provide useful insight into the function of specific milk proteins in the control of lactation. These studies also illuminate the role of milk in the regulation of growth and development of the young beyond simple nutritive aspects.

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This book examines the source of Chinese civilization, foundations of traditional Chinese society and early patterns of power transition. It engages readers in a search for a broad understanding of China's traditional culture and the enduring legacies of the past-in-the-present. It questions the conventional view about China's past, be that of a Confucian, a Communist or a Western ethnocentric historiographer. Most theories concerning the history of China postulate a central culture based on the Yellow River valley and radiating out into the vast areas of what we know as China. Informed by the latest archaeological discoveries, the author points out an alternative view on formation and development of Chinese civilization. Exploring the social and political upheavals that characterized the continuous disintegration and annexation in the 1st millennium BC, the author offers a unique account of the process of periodic fragmentation and amalgamation. Though presented for specialists in the field, virtually every page of this book is intelligible to the lay person, opening a window for anyone interested in the subject to look at this ancient culture from a new angle.

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In today’s secular society, occult conceptions of architecture may seem somewhat anachronistic, but at the turn of the twentieth century the bourgeoisie, alongside society’s artistic and intellectual elite, were enthusiastically embracing a myriad of esoteric doctrines and mystical impulses. One of the most prominent and enduring examples of this cultural phenomenon is to be found in Rudolf Steiner’s quasi-philosophical system of Anthroposophy. As a path of spiritual development based on ancient mysteries of the occult, Anthroposophy offered people the belief that there existed a way out of the chaos and meaninglessness of modern industrialised society. Steiner used the medium of architecture as a way of repackaging the occult’s venerable secrets into a tangible, material form that made their hidden message more readily accessible to his contemporary audience. While he was striving towards creating a totally new architectural language appropriate to the modern age, he perceived architectural style as an evolutionary process that revealed its spiritual content in a particular way in every epoch. As such, Steiner made free use of historical and mythological precedents as archetypal references in his work, thus giving his architecture a genealogy that has, until now, remained largely undefined. By investigating Steiner’s indebtedness to ancient temples and the architecture of the baroque, a greater understanding of his architectural heritage is made possible, which not only helps to locate him within the cultural milieu of his day, but also within the broader context of architectural history. A spiritual thread runs through this history that demonstrates that Steiner’s architecture is not as idiosyncratic as it may initially seem, though whether his work represents an original step forward in the development of modern architecture, or is merely a hangover of nineteenth century eclecticism, must also be considered in order to determine the architectural value of Steiner’s esoteric ideas.

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The sophists were itinerant professional teachers and intellectuals who frequented Athens and other Greek cities in the second half of the fifth century B.C.E. In return for a fee, the sophists offered young wealthy Greek men an education in aretē (virtue or excellence), thereby attaining wealth and fame while also arousing significant antipathy. Prior to the fifth century B.C.E., aretē was predominately associated with aristocratic warrior virtues such as courage and physical strength. In democratic Athens of the latter fifth century B.C.E., however, aretē was increasingly understood in terms of the ability to influence one’s fellow citizens in political gatherings through rhetorical persuasion; the sophistic education both grew out of and exploited this shift. The most famous representatives of the sophistic movement are Protagoras, Gorgias, Antiphon, Hippias, Prodicus and Thrasymachus.

The historical and philological difficulties confronting an interpretation of the sophists are significant. Only a handful of sophistic texts have survived and most of what we know of the sophists is drawn from second-hand testimony, fragments and the generally hostile depiction of them in Plato’s dialogues.

The philosophical problem of the nature of sophistry is arguably even more formidable. Due in large part to the influence of Plato and Aristotle, the term sophistry has come to signify the deliberate use of fallacious reasoning, intellectual charlatanism and moral unscrupulousness. It is, as the article explains, an oversimplification to think of the historical sophists in these terms because they made genuine and original contributions to Western thought. Plato and Aristotle nonetheless established their view of what constitutes legitimate philosophy in part by distinguishing their own activity – and that of Socrates – from the sophists. If one is so inclined, sophistry can thus be regarded, in a conceptual as well as historical sense, as the ‘other’ of philosophy.

Perhaps because of the interpretative difficulties mentioned above, the sophists have been many things to many people. For Hegel (1995/1840) the sophists were subjectivists whose sceptical reaction to the objective dogmatism of the presocratics was synthesised in the work of Plato and Aristotle. For the utilitarian English classicist George Grote (1904), the sophists were progressive thinkers who placed in question the prevailing morality of their time. More recent work by French theorists such as Jacques Derrida (1981) and Jean Francois-Lyotard (1985) suggests affinities between the sophists and postmodernism.

This article provides a broad overview of the sophists, and indicates some of the central philosophical issues raised by their work. Section 1 discusses the meaning of the term sophist. Section 2 surveys the individual contributions of the most famous sophists. Section 3 examines three themes that have often been taken as characteristic of sophistic thought: the distinction between nature and convention, relativism about knowledge and truth and the power of speech. Finally, section 4 analyses attempts by Plato and others to establish a clear demarcation between philosophy and sophistry.

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Conventional wisdom asserts that the empires of ancient Mesopotamia were ruled by blood-thirsty tyrants with a penchant for megalomania and a lust for power.

However, archaeological work conducted during the nineteenth and twentieth centuries has begun to unearth a more sophisticated political landscape. Many of the empires of ancient Mesopotamia can be seen to have practised forms of governance remarkably similar to the democratic systems employed by the Greeks many centuries later.

This lecture will examine the democratic tendencies of various Mesopotamian empires and trace their influence on later Grecian developments.

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Conventional wisdom asserts that the empires of ancient Mesopotamia were ruled by blood-thirsty tyrants with a penchant for megalomania and a lust for power.
However, archaeological work conducted during the nineteenth and twentieth centuries has begun to unearth a more sophisticated political landscape. Many of the empires of ancient Mesopotamia can in fact be seen to have practised forms of governance remarkably similar to the democratic systems employed by the Greeks many centuries later.
This lecture will examine the democratic tendencies of various Mesopotamian empires and trace their influence on later Grecian developments.

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High-brightness synchrotron X-rays together with precision achromatic focusing optics on beamline 7.3.3 at the Advanced Light Source have been applied for Laue microdiffraction analysis of mineralogical phases in Egyptian pigments. Although this task is usually performed using monochromatic X-ray diffraction, the Laue technique was both faster and more reliable for the present sample. In this approach, white-beam diffraction patterns are collected as the sample is raster scanned across the incident beam (0.8 µm × 0.8 µm). The complex Laue diffraction patterns arising from illumination of multiple grains are indexed using the white-beam crystallographic software package XMAS, enabling a mineralogical map as a function of sample position. This methodology has been applied to determine the mineralogy of colour pigments taken from the ancient Egyptian coffin of Tjeseb, a priestess of the Apis bull dating from the Third Intermediate to Late period, 25th Dynasty to early 26th Dynasty (747 to 600 BC). For all pigments, a ground layer of calcite and quartz was identified. For the blue pigment, cuprorivaite (CuCaSi4O10) was found to be the primary colouring agent with a grain size ranging from ∼10 to 50 µm. In the green and yellow samples, malachite [Cu2(OH)2CO3] and goethite [FeO(OH)] were identified, respectively. Grain sizes from these pigments were significantly smaller. It was possible to index some malachite grains up to ∼20 µm in size, while the majority of goethite grains displayed a nanocrystalline particle size. The inability to obtain a complete mineralogical map for goethite highlights the fact that the incident probe size is considerably larger than the grain size. This limit will continue to improve as the present trend is toward focusing optics approaching the diffraction limit (∼1000× smaller beam area).

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This study presents a novel and accompanying exegesis which explore the fool behind the Fool by stripping away his usual costume and arenas of power and folly to expose an essence – an impulse of potentiality – that helps explain the Fool’s perpetuity and argues his critical significance as a catalyst for creative thinking.

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Classification of coins is an important but laborious aspect of numismatics - the field that studies coins and currency. It is particularly challenging in the case of ancient coins. Due to the way they were manufactured, as well as wear from use and exposure to chemicals in the soil, the same ancient coin type can exhibit great variability in appearance. We demonstrate that geometry-free models of appearance do not perform better than chance on this task and that only a small improvement is gained by previously proposed models of combined appearance and geometry. Thus, our first major contribution is a new type of feature which is efficient in terms of computational time and storage requirements, and which effectively captures geometric configurations between descriptors corresponding to local features. Our second contribution is a description of a fully automatic system based on the proposed features, which robustly localizes, segments out and classifies coins from cluttered images. We also describe a large database of ancient coins that we collected and which will be made publicly available. Finally, we report the results of empirical comparison of different coin matching techniques. The features proposed in this paper are found to greatly outperform existing methods.

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The aim of this paper is to automatically identify a Roman Imperial denarius from a single query photograph of its obverse and reverse. Such functionality has the potential to contribute greatly to various national schemes which encourage laymen to report their finds to local museums. Our work introduces a series of novelties: (i) this is the first paper which describes a method for extracting the legend of an ancient coin from a photograph; (ii) we are also the first to suggest the idea and propose a method for identifying a coin using a series of carefully engineered retrievals, each harnessed for further information using visual or meta-data processing; (iii) we show how in addition to a unique standard reference number for a query coin, the proposed system can be used to extract salient coin information (issuing authority, obverse and reverse descriptions, mint date) and retrieve images of other coins of the same type.