Wherever you are reading this, take a moment now and notice your body: Are your legs crossed? Is your posture straight or are you slouching? Are you slightly warm or cold? Now notice your surroundings: Is your body in a serene or noxious environment? Is it being transported in a moving vehicle, rocking slightly from side to side? If you could precisely answer any of those questions, congratulations, you are conscious. How consciousness arises from, as the great neuroscientist V.S. Ramachandran mused, "a three-pound mass of jelly that you can hold in your palm" is one of science's deepest enigmas.