This is a link to MSU's CyberBee site. There is a great article on Hive Dynamics or why and when bees go from house bees to forrager bees.
http://special.newsroom.msu.edu/bees/
More at:
http://www.cyberbee.net/
this site is run by entomologist, Zach Huang and really gets into the science of bees. I used a lot of the information as reference materials.
That is really amazing. You wonder how they ever figured it out. Thanks for the post.
Hey, at Cyberbee, there's a picture of a BEE BRAIN! Cool.