A study released Wednesday by the American Hearing Research Foundation has found that humans sense of hearing is most acute when listening to an argument between ones parents from the top of a staircase. According to our research, human auditory acuity reaches its peak when subjects quietly sneak out of their bedrooms at night and either sit down on the top stair or press their faces between the balusters of the railing as their parents exchange heated words in the kitchen below, said study author Gordon Humphries, noting that these heightened auditory capabilities allow individuals to effortlessly block out all other sources of noise in order to clearly perceive the sound waves generated by ones mother saying, I just cant do this anymore. Under these circumstances, humans display a remarkable ability to distinguish even those arguments spoken in a hushed or whispered tone, particularly those containing the words divorce, separation, custody, or the subjects own name. Researchers said subjects auditory abilities may grow even more acute in the hours after overhearing the initial argument, with subjects reportedly capable of making out their father sobbing as softly as 10 decibels through a bedroom wall. 