Samuel Arbesman is a postdoctoral fellow in the Department of Health Care Policy at Harvard Medical School. This was adapted from an article in The Science Creative Quarterly, an online magazine available at www.scq.ubc.ca. (Illustrations by Leif Parsons for The Boston Globe) Samuel Arbesman is a postdoctoral fellow in the Department of Health Care Policy at Harvard Medical School. This was adapted from an article in The Science Creative Quarterly, an online magazine available at www.scq.ubc.ca.