by Merry — We have come to ex­pect the un­ex­pected of cil­i­ates, and Oxytricha tri­fal­lax, with its ge­nomic ca­pers, does not dis­ap­point. Like many of its more fa­mous cil­i­ate rel­a­tives (e.g., para­me­cium, tetrahy­mena, sten­tor), Oxytricha is a com­plex uni­cel­lu­lar or­gan­ism with many spe­cial­ized cel­lu­lar struc­tures. Of course, they have the req­ui­site cilia for...