Congrats to Qian Li and colleagues for their paper in Current Biology: "Synchronous evolution of an odor biosynthesis pathway and behavioral response"!
http://www.cell.com/current-biology/abstract/S0960-9822(12)01268-7
For more information, see an article at HMS News:
http://hms.harvard.edu/content/scents-and-sensibilities
and a Dispatch from Current Biology:
http://www.cell.com/current-biology/abstract/S0960-9822(12)01431-5