The October issue of Discover is just out, and it has my second brain column (following up on my first, on the perception of time). This time around, I take a look at our unconscious, considering just how powerful it can be. But don’t get too disturbed by that inner zombie. Our conscious minds are not just helpless moviegoers in the theater of the brain. They have work to do as well. Check it out.
Originally published September 15, 2008. Copyright 2008 Carl Zimmer.