"At <a href=""https://www.youtube.com/watch?v=98HZanvAJ8Y&amp;t=35m31s"">35:31</a> Greene talks about extra dimensions that can interact with our 3 dimensional human experience and he states that we have nothing now that can even comprehend these extra dimensions all around us. But he believes when we die we just don't exist", it's just weird to think this guy believes in something that can't be even measured or comprehended like the extra dimensions. Don't write it off completely, I'm holding out hope we go somewhere when we die