Catalyst

Season 15, Episode 20

Episode Title: Antiviral Abalone, Fermat's Theorem, Predator Scat

Air Date: 2014-11-27

Overview:

Could abalone blood be the new treatment for cold sores and herpes?; The inspirational story of 350 year old mathematics problem and how it was solved; Tasmania's Great Poo Hunt - have foxes invaded the island state?