<p>From the act of blushing and the amount of manganese in our tears (tears of pain contain more than tears of distress) to the curiousness of a kiss, The Kingdom of Infinite Space explores the astonishing range of activities that go on inside our heads, most of which are entirely beyond our control. After escorting his readers on a fantastic voyage through every chamber of the head and brain, Raymond Tallis demonstrates that not only does consci...