Sound has the incredible ability to instill a certain kind of emotion into whoever hears it. The soulful call of a loon feels ...

It sounds like a scream from the depths of the underworld. It’s a haunting, ear-piercing shriek that stirs something primal ...

The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in ...