We humans have long wondered how animals see the world - and us. Does your dog really feel shame when it gives you that famous "guilty look?" What is behind the "swarm intelligence" of slime mold or a honeybee hive? How can pigeons possibly find their way home across hundreds of miles of unfamiliar terrain? In this episode of NOVA scienceNOW, David Pogue meets - and competes - with a menagerie of smart critters that challenge preconceived notions about what makes "us" different from "them," expanding our understanding of how animals really think.