Oldest evidence of Aboriginal habitation; smart bees; and science of will power

This week, we look at the new findings showing the oldest evidence for aboriginal habitation in arid Australia is actually 10 000 years previous to what was previously thought.Also, Chris takes us into the mind of the bumble bee to shift our thinking on how we see animal intelligence. Can bumblebees really learn and teach?And what is your will power like? Stu takes a look at the psychological studies figuring out will power - do we have as much control as we think?