Episode 13: Building a sustainable future by Harvard University published on 2012-06-27T13:50:45Z Harvard Medical School Professor of Systems Biology Pam Silver is engineering organisms that produce fuel and even food. Find out how she's working to build a sustainable future through synthetic biology. Plus, Nancy Keating, an HMS associate professor of health care policy, sheds light on one aspect of the debate over the rising costs of health care. Harvard Medical School Office of Communications and External Relations. Jun 23, 2011. Copyright 2012 The President and Fellows of Harvard College.