The Project on Emerging Nanotechnologies (PEN) produces podcasts correlated with their report "NanoFrontiers: Visions for the Future of Nanotechnology"

Their second podcast, released after their Green Nanotechnology Report is titled "Tomorrow's Green Nanofactories" and showcases Angela Belcher's work on using biological materials to control crystal growth.

Link:
http://www.nanotechproject.org/131/7907-tomorrows-green-nanofactories-podcast