The creepy feeling in old buildings might have a surprising cause
A hidden force may be quietly shaping how you feel—and you’d never even know it. Infrasound, an ultra-low-frequency vibration below the range of human hearing, is everywhere from traffic to old buildings. In a small experiment, people exposed to it became more irritable, less engaged, and even showed higher levels of the stress hormone cortisol—despite having no idea it was present. The findings s
Source
Science Daily
Opens original article in a new tab


