It is a pleasure to recommend the second edition of this book. I can only repeat what I have said about the first edition that it represents excellent value for money. I think the authors are to be congratulated on the content and presentation, and their bravery in publishing a book on techniques should not be under-estimated, as virtually every radiologist has an individual approach to each ex...

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...

More than 4 years have elapsed since the publication of the Clinical Outcomes Utilizing Revascularization and Aggressive Drug Evaluation (COURAGE) trial,1 which led to rampant speculation regarding its potential impact on clinical practice. As memories of the heated rhetoric that punctuated that debate fade, we are now in a position to look back with calmer heads and use observational data to s...

Primatological and archeological evidence along with anthropological accounts of hunter-gatherer societies indicate that lethal between-group violence may have been sufficiently frequent during our ancestral past to have shaped our evolved behavioral repertoire. Two simulations explore the possibility that heroism (risking one’s life fighting for the group) evolved as a specialized form of altr...