GMBAugust 19, 2016Acoustics, Medical and scientific news, Mystery noise, Sound@munkee74, BBC Special Series, Bristol, Bristol Hum, decibel levels, frustration, hyperacusis, Linda Geddes, mystery noise, noise, tinnitus, UK The mystery noise driving the world mad. Link via @munkee74. ← Previous post Next post → Leave a Comment Cancel reply Your email address will not be published. Required fields are marked * Current ye@r * Leave this field empty Notify me of new posts by email.