105,724 research outputs found

    Mosses new to Hong Kong (1)

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    Ten moss species - Garkea flexuosa (Griffith) Marg. & Nork., Campylopus laxitextus Lac., Fissidens dubius P. Beauv., Fissidens ceylonensis Dozy & Molk, Fissidens maceratus Mitt., Philonotis thwaitesii Mitt., Isopterygium minutirameum (C. Muell.)Jaeg., Homalia trichomanoides (Hedw.) B.S.G., Pogonatum neesii (C. Muell.) Dozyand Polytrichum formosum Hedw. are reported new to Hong Kong. Among them, five are new to Guangdong Province of China

    Bisexuality, religion and spirituality: instigating a dialogue

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    This chapter provides a framework and rationale for the edited volume. We argue that although literature on non-normative sexualities continues to grow, bisexuality is still often presented as an appendage. Research on bisexuality in relation to religion and spirituality is even scarcer. Yet, bisexuality, with its focus on fluidity and ambiguity, has the potential to illuminate how gender and sexual binarism impacts upon spiritual and religious life, and how this can be disrupted. Drawing upon key extant literature, this chapter discusses two main themes. Firstly, it explores the dominant discourse of bisexuality in contemporary society. Research continues to evince that bisexuality is grossly misunderstood, due to prevailing ideologies such as monosexism, compulsory coupledom and compulsory monogamy. Indeed, bisexuality fundamentally disrupts hegemonic discourse and enactment of gender and sexuality predicated on binarism. Secondly, the chapter examines the intersection of bisexuality with religion and spirituality. Research literature shows that the outcome of this intersection is complex and multiple. Yet, what is clear is that bisexuality challenges dominant religious discourses on sexuality and gender which results in bisexual erasure. The chapter concludes by presenting summaries of the contributions, framed in relation to the overarching objectives of the volume

    Letter, [Author unclear] to Paulina T. Merritt

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    Handwritten letter to Paulina Merritt from an unknown author, October 1, 1876.

    An investigation into Chinese cybercrime and the underground economy in comparison with the West

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    With 420 million Internet users, China has become the world’s largest Internet population. Yet, the Internet penetration rate in China is only 31.6%, which means that the Chinese Internet population has the potential to triple in size in the foreseeable future. With cybercrimes transcending national boundaries, the security of the Internet in China is becoming increasingly significant to the global Internet. As in the West, organised cybercrimes are flourishing in China. With a rapidly expanding Internet population, China is fast becoming a giant hub of cybercrime activities. Therefore, it is in the interest of Western cyber-security experts to increase their attention to China’s cyber-security

    The digital underground economy: a social network approach to understanding cybercrime

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    Emphasized in both the National Security Strategy [11] and the Cyber Security Strategy [3], cybercrime is now a Tier-One national threat to the United Kingdom, a threat which must be addressed as our lives become ever more embedded in the digital economy. Recent cybercrime statistics [14, 24] indicate that with hundreds of millions worth of damage, cybercrime remains one of the primary threats facing nations, corporations and ordinary people. The intriguing question then is how has cybercrime managed to evolve into such a persistent problem despite almost a decade of extensive research into cybersecurity

    Handwritten biographical information on Paulina T. McClung Merritt

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    A handwritten biography of Paulina T. McClung Merritt by an unknown author, 1892.

    Structural analysis of online criminal social networks

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    Over the last decade, a sophisticated underground economy has emerged over the Internet in which cybercriminals collaborate and trade different goods and services. This study takes a unique approach towards understanding the functioning of the underground economy by focusing on the social dynamics between the cybercriminals. Using anonymized private messaging records from four underground forums formerly operating as online black markets, this study aims to examine the structural properties of the networks of personal interactions between the cybercriminals and to turn the findings into actionable intelligence for tackling the problem of profit-driven cybercrime

    Heterogeneous and tissue-specific regulation of effector T cell responses by IFN-gamma during Plasmodium berghei ANKA infection.

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    IFN-γ and T cells are both required for the development of experimental cerebral malaria during Plasmodium berghei ANKA infection. Surprisingly, however, the role of IFN-γ in shaping the effector CD4(+) and CD8(+) T cell response during this infection has not been examined in detail. To address this, we have compared the effector T cell responses in wild-type and IFN-γ(-/-) mice during P. berghei ANKA infection. The expansion of splenic CD4(+) and CD8(+) T cells during P. berghei ANKA infection was unaffected by the absence of IFN-γ, but the contraction phase of the T cell response was significantly attenuated. Splenic T cell activation and effector function were essentially normal in IFN-γ(-/-) mice; however, the migration to, and accumulation of, effector CD4(+) and CD8(+) T cells in the lung, liver, and brain was altered in IFN-γ(-/-) mice. Interestingly, activation and accumulation of T cells in various nonlymphoid organs was differently affected by lack of IFN-γ, suggesting that IFN-γ influences T cell effector function to varying levels in different anatomical locations. Importantly, control of splenic T cell numbers during P. berghei ANKA infection depended on active IFN-γ-dependent environmental signals--leading to T cell apoptosis--rather than upon intrinsic alterations in T cell programming. To our knowledge, this is the first study to fully investigate the role of IFN-γ in modulating T cell function during P. berghei ANKA infection and reveals that IFN-γ is required for efficient contraction of the pool of activated T cells
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