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The aim of this paper is to identify the frequency of congenital anomalies of the vertebral column in ancient Egyptians. The material for this study consisted of 272 skeletons excavated from Giza and belonging to the Old Kingdom (the time of the early pyramid builders). The vertebral columns of these skeletons were examined for the different types of congenital anomalies that affect the vertebrae. Nine cases (3.33%) were affected with spina bifida occulta, while six cases (2.22%) had transitional vertebrae at the lumbosacral joint. These frequencies are compared with other ancient populations. Copyright © 2006 John Wiley & Sons, Ltd.  相似文献   
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Studies of recent African immigration to the USA are part of increased scholarly concern for new diasporas and transnationality. Geographers' interests in how particular US settings impact upon African immigrants' experiences and how immigrants transform those settings can be enriched through studies of smaller communities, and their impacts on and experiences in the US outside of the main host cities. This case study of Tanzanians in Wichita, Kansas, concentrates on themes within this community's migration stories that emerged in our research. These include the pull of educational opportunity, the ambivalence of displacement, the simultaneous transnationality and translocality (or local fluidity) of Tanzanians in Wichita, and the diversity of experiences even within a small number of migrants. These themes appear commonly in many US African immigrant communities. We seek to address the possibly distinctive aspects of this case, due to its Tanzanian-ness and its relation to a presumably less likely migration destination, a mid-sized and not very diverse city in Kansas.  相似文献   
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The annihilation of the aboriginal societies of the Canary archipelago, which consists of seven islands off the coast of southern Morocco and was populated by indigenes derived from Berber-speaking communities of north-west Africa, represents modern Europe’s first overseas settler colonial genocide. The process of social destruction, initiated by European slave raiders in the first half of the fourteenth century, was propelled to completion by mainly Iberian conquistadors and settlers towards the end of the fifteenth century. In addition to unrestrained mass violence against Canarians, European conquerors practised near-total confiscation of land and near-total enslavement and deportation of island populations. Enslavement and deportation, which went hand in hand, accounted for the largest number of victims and were central to the genocidal process. They were in effect as destructive as killing because the victims, generally the most productive members of their communities, were permanently lost to their societies. Child confiscation, sexual violence and the use of scorched earth tactics also contributed to the devastation suffered by Canarian peoples. After conquest, the remnants of indigenous Canarian societies were subjected to ongoing violence and cultural suppression, which ensured the extinction of their way of life. That the enslavement and deportation of entire island communities was the consciously articulated aim of conquerors establishes their “intent to destroy in whole,” which is the central criterion for meeting the United Nations Convention on Genocide’s definition of genocide. This article argues that individually and collectively all seven cases of social obliteration in the Canaries represent clear examples of genocide, and it is the first article to contend that the destruction of aboriginal Canarian societies constitutes genocide.  相似文献   
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‘Value has always been the reason underlying heritage conservation. It is self‐evident that no society makes an effort to conserve what it does not value.’ 1 1. de la Torre and Mason, Assessing the Values of Cultural Heritage, 3–4. However, assessing the value of a cultural heritage asset as a representative sample of our tangible and intangible heritage for present and future generations is a difficult concept to deal with. It is, therefore, the aim of the researchers to help the conservation decision process by attempting to make an assessment of the values attributed to the cultural heritage assets of one of the most notable heritage sites in Egypt: the Valley of the Kings in Luxor.  相似文献   
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This paper presents an agent-based simulation (ABS) and cellular automata (CA) coupled model to simulate the spatial evolution of the population of China over the past 2000 years. In the model, agents are used to simulate individuals who live in a geographic environment represented by the CA. The choice to migrate is influenced by climate change, potential agricultural productivity change, and waves of mass migrations. Using the simulation, we can observe the spatial evolution of the population, as well as the shift of the population center of gravity, and we can analyze the driving forces of these changing spatial patterns.  相似文献   
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