Front cover photos by Kathy Galvin and Randy Boone, back cover art by Randy Boone, portrait on this page by Jim DeMartini. a See Appendix A for full titles and institutional associations of project personnel Dedication This report is dedicated to the memory of Dr. Jim Ellis (October 1938 to March 2002), the architect of the POLEYC project. Jim's vision of people, livestock, and wildlife existin...

Ellis-van Creveld syndrome (EVC) is a rare chondroectodermal dysplasia presenting several skeletal manifestations and congenital heart malformations. Polydactyly is the most frequent skeletal anomaly. The authors report two cases of EVC syndrome with different manifestations, which underwent surgical treatment for polydactyly.

van der Waals (vdW) dispersion interactions are a key ingredient in the structure, stability, and response properties of many molecular materials and essential for us to be able to understand and design novel intricate molecular systems. Pairwise-additive models of vdW interactions are ubiquitous, but neglect their true quantum-mechanical many-body nature. In this perspective we focus on recent...

Recently, Looijen & van Andel (1999) proposed a new definition of an ecological community by using two criteria: (1) restricting membership by taxonomic relatedness, and (2) defining boundaries by the intersection of the area of population range boundaries. I analyze the implications of their definition and explore the limitations of the approach. Overall, I show this definition to be highly sc...

A case of chondroectodermal dysplasia (Ellis-van Creveld syndrome) with a remarkable number of the classic oral and dental changes is described. This syndrome involves all embryonic tissue layers and is polysymptomatic; yet some oral and dental manifestations are pathognomonic and must be considered in primary diagnostic criteria. However, in some patients, these oral and dental manifestations ...