Check out
The Chaos Inside a Cancer Cell, a very nice visualization of cancer cell DNA rearrangement using sparklines in circles. The original article titled
A sequence-level map of chromosomal breakpoints in the MCF-7 breast cancer cell line yields insights into the evolution of a cancer genome published in Genome Research is freely available. Choose the "
Full Text (PDF)" link in the attached sidebar.
The same
MCF-7 Breast Cancer Genome Analysis visualization is also viewable (in case you don't have access to the New York Times site) at the Genboree project site.