On Thursday, Stux Gallery in Chelsea opens a group exhibition “suggesting political and social decay and the fall of empires.” “Low Blow: And Other Species of Confusion” brings together 18 artists and their visions of disgraced politicians, severed body parts, miniature strip clubs, and other images of beautiful decay. The show opens from 6 to 8 PM and is on view through July 17 at 530 West 25th Street.