Innovation Hub features today's most creative thinkers, from authors to researchers to business leaders. Host Kara Miller explores new avenues in education, science, medicine, transportation and more with such guests as Michael Pollan, Sal Khan, Marissa Mayer, Clayton Christensen, Jared Diamond, Paul Farmer, Sherry Turkle, and Brian Greene.

Tune in 89.7 WGBH Saturdays at noon.