Josh Roberts | May 4, 2003 | 7 min read
Courtesy of Michael Dustin PASS IT ON: A T cell (blue) interacts with a dendritic cell (yellow) through a molecular pattern described as an immunological synapse (red = adhesion, green = foreign antigen). This is a composite image of a scanning electron micrograph and a fluorescence image. We can do things that haven't been done before, I think, ever in cell biology," exclaims Mark Davis of Stanford University. His 3-D, fluorescence video-microscopy system allows him to count the number