NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, naturalist E.O. Wilson describes the challenges of understanding how ecosystems evolve. Produced by David Levin. Original interview by Gail Willumsen. NOVA is produced by WGBH in Boston. Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers. Learn more at pbs.org/nova/eowilson