
Explaining the evolution of insect society, with sterile society members displaying extreme levels of altruism, has long been a major scientific challenge, dating back to Charles Darwin’s day. A new genomic study of 10 species of bees representing a spectrum of social living — from solitary bees to those in complex, highly social colonies — offers new insights into the genetic changes that accompany the evolution of bee societies.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/JA28Y8_MzUY/150514142951.htm