There are certain sounds nearly everyone dislikes: the sound of fingernails scratching a chalkboard, or of a fork scraping a plate, just to list a few. For many people, hearing these sounds, or even ...

There are certain sounds nearly everyone dislikes: the sound of fingernails scratching a chalkboard, or of a fork scraping a plate, just to list a few. For many people, hearing these sounds, or even ...