Bushfire risk, frog spit, and avoiding decision fatigue

Why is Australia's landscape so susceptible to fire, and how will a changing climate alter the risk of bushfires? Stu talks to Dr. Trent Penman a forest scientists with the University of Melbourne to find out. Chris describes the non-newtonian characteristics of frog spit and how it helps them catch their dinner. Manisha continues her series on the psychology of keeping resolutions by looking at decision fatigue.