|What looks like a Native American dream catcher
is really a network of social interactions within a community. The red dots
along the inner and outer circles represent people, while the different
colored lines represent direct contact between them. All connections originate
from four individuals near the center of the graph. Modeling social networks
can help researchers understand how diseases spread. Courtesy of Stephen
Eubank, a physicist at the Virginia Bioinformatics Institute. Featured in the July 19, 2005, issue of Biomedical Beat.
High res. image (237 KB JPEG)