Consciousness is one of those phenomena that combine the everyday with the ineffable. We experience consciousness intimately, and yet in many ways it remains ungraspable. What is consciousness? Why do we have it? How can the physical stuff of the world give rise to something as mysterious as first-person experience? Philosophy, science and contemplative traditions have all struggled with these questions - and this week, we're talking about a new Centre for Consciousness and Contemplative Studies that brings these disciplines together.