Time: Daytime

Series in which Michio Kaku goes on an extraordinary exploration of the world in search of time. In the opening part he asks whether time comes from within our minds and bodies or from outside? He travels to Los Angeles to find fish with an extraordinarily precise sense of time, and meets a family whose body clocks force them to wake at 4am every day. Michio undergoes a brain scan that reveals an area of the brain devoted to detecting the passing of time. But can this sense be altered by fear - an experiment where people free-fall 100-feet backwards is undertaken to find out. Michio also meets a man who, with no memory and no sense of time, is unable to lead a normal life.