Excerpted from Stuff by Randy O. Frost and Gail Steketee. Copyright © 2010 by Randy O. Frost and Gail Steketee. Reprinted by permission of Houghton Mifflin Harcourt Publishing. All rights reserved.
This excerpt is a sample from DISCOVER's special Brain issue, available only on newsstands through June 28.
We could have found the apartment just by following the powerful musty odor that hit us as we stepped out of the elevator. When we got to the door, my guide knocked. No answer. She knocked again, then a third time. Finally, a small voice inside said, “Who’s there?”