Paul Ayres is Emeritus Professor of Educational Psychology at the University of New South Wales in Australia. In this episode, Paul talks to Greg Ashman about his journey from classroom teacher in the UK to education professor in Australia. Along the way, Paul and Greg discuss models of human cognitive architecture, mirror neurons, embodied cognition, goal-free problems, what makes a Pythagoras problem difficult and measuring cognitive load. They also discuss the recent review of the Australian Curriculum and what we can do to break the cycle of bad ideas.