The fiction of J.R.R. Tolkien has captivated readers for the past five decades, perhaps because it portrays a world so drastically different from our own. Middle-earth is indeed informed by vestiges of an ancient tradition, preserved in the mythologies of different cultures. One very good example of this is Tolkien‟s theory of courage, which he gleaned from Old Norse myth and discussed in his l...

Germ cells are the only cell type capable of generating an entirely new organism. In order to execute germline-specific functions and to retain the capacity for totipotency, germ cells repress somatic differentiation, interact with a specialized microenvironment, and use germline-specific networks of RNA regulation.

breaking bad news is one of the most burdensome tasks physicians face in their everyday practice. it becomes even more challenging in the context of hiv + patients because of stigma and discrimination. the aim of the current study is to evaluate the quality of giving hiv seroconversion news according to spikes protocol. numbers of 154 consecutive hiv + patients from imam khomeini hospital testi...

Mistrust of science has seeped into public perception of the most fundamental aspect of conservation-extinction. The term ought to be straightforward, and yet, there is a disconnect between scientific discussion and public views. This is not a mere semantic issue, rather one of communication. Within a population dynamics context, we say that a species went locally extinct, later to document its...

This technical report provides a complete and exhaustive (even if preliminary) description of the preliminary assessment of the FOREVER (Fault/intrusiOn REmoVal through Evolution & Recovery) service. The assessment of the FOREVER service aims to quantify how much the FOREVER service enhances the resilience of the system in which it is implemented. The assessment of the FOREVER service is perfor...