A queen in a paperwasp colony largely stays in the dark. The worker wasps, who fly outside to seek food and building materials, see much more of the world around them. A new study indicates that the brain regions involved in sensory perception also develop differently in these castes, according to the different behavioral reliance on the senses.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/J6lbESZhpG8" height="1" width="1"/>
