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Four decades have passed since Harlan and Stemler (1976) proposed the eastern Sahelian zone as the most likely center of Sorghum bicolor domestication. Recently, new data on seed impressions on Butana Group pottery, from the fourth millennium BC in the southern Atbai region of the far eastern Sahelian Belt in Africa, show evidence for cultivation activities of sorghum displaying some domestication traits. Pennisetum glaucum may have been undergoing domestication shortly thereafter in the western Sahel, as finds of fully domesticated pearl millet are present in southeastern Mali by the second half of the third millennium BC, and present in eastern Sudan by the early second millennium BC. The dispersal of the latter to India took less than 1000 years according to present data. Here, we review the middle Holocene Sudanese archaeological data for the first time, to situate the origins and spread of these two native summer rainfall cereals in what is proposed to be their eastern Sahelian Sudan gateway to the Red Sea and the Indian Ocean trade.  相似文献   
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ABSTRACT

Regional inequality within Japan has been a key political issue in Japanese politics throughout the entire postwar period. In this analysis, we examine how Japanese parties have positioned themselves on the question of regional inequality, focusing on how the party system response has been shaped by ideas and ideologies. The article analyses two 15-year periods separated by a quarter of a century (1960–75 and 2000–15) during which regional inequalities became a particularly salient and pressing issue. We compare institutional and socioeconomic contexts, broader governing ideas, and policy responses to this issue by major parties in their election platforms (manifestos). We find that party ideology and broader paradigms continued to shape party responses to regional inequality during both periods.  相似文献   
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Telepresence-enabled exploration of deep sea environments has developed over the past 30 years, providing access to archaeologists, scientists, and the general public to sites otherwise inaccessible due to depth. Pioneered through the inception of the JASON Project in the late 1980 s, telepresence missions have expanded to two dedicated ships of exploration, NOAA Ship Okeanos Explorer and exploration vessel Nautilus, and has been implemented on a series of opportunistic missions on other vessels. This paper chronicles the history of the use of telepresence for the exploration of shipwrecks in deep water as well as how this capability has allowed the public to engage with such missions. Broadening the scope of who can explore the deep sea, telepresence has also expanded what is observed and documented in the deep, which speaks to humanity’s use of the maritime world and an archaeology of discard through our material disposed of into the deep sea.  相似文献   
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Abstract

In this case study of a young, Thai “cause lawyer”, advocacy for human rights is considered in context. The most important elements of that context are the path of development of Thai political and legal institutions, globalisation of law, and the networks of relationships that penetrate the state. The case study shows that human rights advocacy by NGO lawyers can adapt creatively to unpromising conditions under which courts provide little access or oversight. At the same time, the case study raises profound questions about the ultimate independence of cause lawyers when the state must be made a partner in order to establish the authority of law needed to make human rights advocacy possible. The ambiguity of the lawyer’s position is apparent from the relative ineffectiveness of her interventions and her growing moral authority on behalf of best practices under law. Her position suggests the limitations on law imposed by the underpinnings of the Thai state itself.  相似文献   
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