Eavesdrop on Ideas: Tipping points - is viral marketing a key to our planet's health?

Overhear researchers talk about what they do and why they do it. Hear them obsess, confess and profess - changing the world one experiment, one paper and one interview at a time. Listen in as seasoned eavesdropper Chris Hatzis follows reporters Dr Andi Horvath and Steve Grimwade on their meetings with magnificent minds. Made possible by the University of Melbourne.