Summary: NOVA Minutes are a regular radio features that air three times per week on 89.7 WGBH-FM in Boston. In this episode, geneticist Cliff Tabin from Harvard Medical School explains how limbs form in an embryo. Produced by David Levin. Original interview by John Rubin. 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/evolution
