Why are people named Kim, Kelly, and Ken more likely to donate to Hurricane Katrina victims than to Hurricane Rita victims? Are you really more likely to solve puzzles if you watch a light bulb illuminate? How did installing blue lights along a Japanese railway line halt rising crime and suicide rates? Can decorating your walls with the right artwork make you more honest? The human brain is fantastically complex, having engineered space travel and liberated nuclear energy, so it's no wonder that we resist the idea that we're deeply influenced by our surroundings.