Your mind is the only place in the universe that only you can access. It’s where all of your thoughts, memories and emotions exist. A whole inner universe that is being shaped by your biology, experiences and imagination. It's what makes you: you. There is a wide spectrum of minds in nature, however humans have taken theirs to another level. Our minds can reflect on themselves, simulate other perspectives, and even construct entire fictional worlds. What exactly is a mind? How and why did it evolve, and could it be the most secret place in the universe?