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人类有能力测定和操纵基因,这一革命激起了各种各样的伦理争议.同样具有深远意义的脑科学革命,引起的注意却少得让人吃惊. 相似文献
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Sports gambling is a well-established practice in Israel, whose beginnings can be traced to 1951. In recent years, the activities of the Israel Sports Betting Board (ISBB), also known as the ‘Toto Commission’, have become extremely popular with the public at large, and especially with sports fans. The study examines the changing advertising messages and creative appeals featured in the ISBB’s various advertising campaigns throughout Israeli history, and specifically the broad social meanings that can be inferred from these campaigns. The findings illustrate how significant structures of meaning in advertising function as reflections of the state of sports and society in Israel and as representations of some of the most salient phenomena in these domains. For example, for many years advertisements have been dominated by male presence, reflected primarily in the featured characters and language representations. Also prominent are representations of militarism as well as global biases, which are illustrated by the use of English in the local Israeli gambling brand name (‘Winner’), for example. 相似文献
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Health sciences librarians have historically viewed disseminating information to health professionals as a major role. Typically, they have provided individualized services and are among the professions that help health professionals further their education after finishing formal education. Another group directly involved in health professional continuing education is continuing education (CE) providers who offer ongoing learning through group activities. These two professions often reached the same audiences in the past, and their different approaches--individual and group--were complementary. Health professionals who needed information immediately or who wished individual learning used the library while those who wanted to hear eminent colleagues tended to use CE meetings or seminars; some did both. The librarians and CE providers rarely interacted, but this is now changing. With the introduction of personal computers, medical librarians have expanded their responsibilities to include formalized classroom instruction. At the same time, CE providers have increased their scope beyond formalized group instruction into individualized education. Librarians and CE providers can either collaborate and share their expertise or they can compete against each other. 相似文献
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The purpose of this investigation was to examine the fluid dynamic characteristics of the two most commonly used oar blades: the Big Blade and the Macon. Scaled models of each blade, as well as a flat Big Blade, were tested in a water flume using a quasi-static method similar to that used in swimming and kayaking research. Measurement of the normal and tangential blade forces enabled lift and drag forces generated by the oar blades to be calculated over the full range of sweep angles observed during a rowing stroke. Lift and drag force coefficients were then calculated and compared between blades. The results showed that the Big Blade and Macon oar blades exhibited very similar characteristics. Hydraulic blade efficiency was not therefore found to be the reason for claims that the Big Blade could elicit a 2% improvement in performance over the Macon. The Big Blade was also shown to have similar characteristics to the flat plate when the angle of attack was below 90 degrees , despite significant increases in the lift coefficient when the angle of attack increased above 90 degrees . This result suggests that the Big Blade design may not be completely optimized over the whole stroke. 相似文献
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Ilan Gur-Ze'ev 《Educational theory》2005,55(3):343-365
From a contemporary perspective, the work of the Frankfurt School thinkers can be considered the last grand modern attempt to offer transcendence, meaning, and religiosity rather than "emancipation" and "truth." In the very first stage of their work, Adorno and Horkheimer interlaced the goals of Critical Theory with the Marxian revolutionary project. The development of their thought led them to criticize orthodox Marxism and ended in a complete break with that tradition, as they developed a quest for a unique kind religiosity connected with the Gnostic tradition and emanating, to a certain extent, from Judaism. This religiosity offers a reformulated Negative Theology within the framework of what I call "Diasporic philosophy." In his later work, Horkheimer explicitly presented Critical Theory as a new Jewish theology. Rearticulating Critical Theory is of vital importance today, both for understanding the current historical moment and for going beyond the oppressive dimensions of Critical Pedagogy. This article does not satisfy itself by offering a new reconstruction of Critical Theory; its goal is to offer a blueprint for a Diasporic counter-education that transcends Critical Pedagogy and goes beyond the emancipatory dimensions of Judaism itself. 相似文献
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Recent studies have shown that adolescents use the Internet not only to maintain social relationships with distant relatives and friends but also to create new relationships online; some of these friendships become integrated into their social circle. Research has focused mainly on the effect of the Internet on existing relationships or the nature of online-only ties, so studies comparing the quality of online and face-to-face relationships are missing. The goal of this study is to bridge this gap. In keeping with previous studies on social association, we argue that the quality of social relationships is dependent on duration and diversity of topics and activities carried together. Time is important, as it facilitates the development of a collective shared history and identity. Intimacy develops through the participation in shared activities and discussion of diverse issues of personal concern. Using a representative sample of the adolescent population in Israel, we find that closeness to a friend is a function of social similarity, content and activity multiplexity, and duration of the relationships. Friendships originated in the Internet are perceived as less close and supportive because they are relatively new and online friends are involved in less joint activities and less topics of discussion. The implications of the findings are discussed. 相似文献
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Ilan Tamir 《国际体育史杂志》2013,30(18):2688-2706
The current study attempts to present a unique, initial contribution to existing models of communication media's historical development, by calling attention to the parallel processes taking place within the journalist community itself. By means of in-depth interviews with male and female sports journalists in Israel, breakthrough, establishment, defense and adaptation mechanisms to a new journalistic reality can be identified as part of the generational and societal changes that have taken place in the newsroom. 相似文献
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