Do bees have GPS?

Did you ever wonder how bees always find honey?  They tell each other.  And no, bees do not have voices to speak with.  They communicate with each other by doing a little dance.  After a bee finds a flower with pollen, it returns to the hive.  There, it dances for the other bees.  The orientation of the dance describes the angle to travel away from the sun.  The length of the dance communicates how long it will take to fly to the flowers. 

There is a great video created by researchers at Georgia Tech here that shows how the bees do their waggle dance.