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Through the Wormhole: What Makes Us Who We Are? / Season: 3 / Episode: 4 (00030004) (2012)
Production Code: 00030004
June 20, 2012
What is it that makes you, you? Is it the things we know, the people and places we've experienced? Or is there something deeper, less tangible that captures our essence? Scientists are searching for the core of who we are-some would call it the soul, others, our personal identity. To do so, they are probing the last great frontier of human understanding: the brain. How do we become who we are?