Today I came across an article from Live Science that talked about how bees' brains go through a genetic change when the begin to forage, which is interesting, but not as interesting as another article that was linked from within the first talking about studies that show bees can count to 4 and learn other bees languages.
From Live Science:
Bees' Brains Morph to Avoid Mid-Life Crisis
Bees Can Count
Eric Thomason 4/3/09