Chiropractic has been accepted into orthodox medical environments, both in North America and Australia. In these environments, chiropractors are viewed as healthcare professionals, addressed by the professional courtesy title “Doctor”, and are asked to render opinions on both the diagnosis and management of cases. There is understandably some residual medical quizzical curiosity still expressed...

IEEE POTENTIALS 0278-6648/12/$31.00©2012IEEE Nearly every aspect of modern life is laced with questions and choices regarding sustainability. Some questions are pervasive, e.g., should I print this IEEE Potentials article or should I read it online? Others are subtle and we might not think consciously about them, e.g., how much CO2 does a Google search release into the atmosphere? Still others ...

We investigate a DNA model that takes into account stacking interactions with neighbors up to three bases away. The model is a generalization of the well-known Peyrard-Bishop (PB) model and is motivated by studies that suggest that nearest-neighbor models for base-pair interaction in a DNA chain might not be enough to capture the mechanism and dynamics of DNA base-pair opening. We study station...

Figure 1. A, Well-demarcated exophytic fungating plaque with linear keloid, peripheral crusting, and distal hyperpigmentation; B, hematoxylin-eosin stain reveals parakeratosis, pseudoepitheliomatous hyperplasia, mixed inflammatory infiltrate, and foreign body giant cells (courtesy of M. J. Zimarowski);C, hematoxylin-eosin stain of pigmented sclerotic bodies (arrow) (courtesy of M. J. Zimarowski...