Brains, Psychics, Artificial Intelligence, and How To Win at Rock, Paper, Scissors is the fourth episode. We talk about how the brain influences behavior, how you can trick your memory into remembering better, we debate nature versus nurture, and I tell you how to be a veritable psychic and win at rock, paper, scissors. Ken Jennings, jeopardy, and Waston are discussed at length. Sixty second sciences include seasonal affective disorder, implanting false memories, music and the brain, chronic traumatic brain injury in professional sports and its relation to Alzheimer's and Parkinson's, and Cerebral Palsy. Commercials include Sing-Along Study Songs for Science, a certain point of view, the animal helmet, and more.