from one Golgi complex to another under conditions that * Department of Molecular Cell Biology mirrored the conditions required for vesicle formation, Howard Hughes Medical Institute docking, and fusion. However, to many investigators University of California in the field, it remained uncertain whether the vesicles Berkeley, California 94720-3202 represented an obligatory intermediate in intra-...

In this paper, three alternative implementations of the POWDER W3C Recommendation are presented, compared, and discussed. The main issue with implementing POWDER is that POWDER inference accesses resources’ URIs in order to mass-annotate regular expressiondelineated groupings of URIs.

When it comes to reimbursement for imaging services, Charlie Owens, PACS administrator at the Knoxville-based University of Tennessee Medical Center, sings a refrain that has become an industry norm: it’s going down, down, down. “Rates have really fallen in the last five years,” he sighs. “If you’re in a competitive area, payers put the squeeze on you.” By way of example, he cites reimbursement...

To the young mind everything is individual, stands by itself. By and by, it finds how to join two things and see in them one nature; then three, then three thousand ... discovering roots running under ground whereby contrary and remote things cohere and flower out from one stem.. .. The astronomer discovers that geome try, a pure abstraction of the human mind, is the measure of planetary motion...

The plastic effect is historically used to denote various forms of stereopsis. The vivid impression of depth often associated with binocular stereopsis can also be achieved in other ways, for example, using a synopter. Accounts of this go back over a hundred years. These ways of viewing all aim to diminish sensorial evidence that the picture is physically flat. Although various viewing modes ha...

“Superbug Strikes in City” sounds like a horror movie title, but instead it is a headline printed in the October 26, 2007, edition of the New York Post. Twelve days earlier a 12-year-old Brooklyn boy, Omar Rivera, died after a wound he received on the basketball court became infected with methicillinresistant Staphylococcus aureus (MRSA), a bacterium that has become resistant to one of the most...