If you scroll through social media for long enough, you’ll probably find videos claiming that listening to songs tuned to “A 432Hz” can provide an amazing sense of calmness or healing. It’s even ...

Massive stones, no machines, and echoes of a lost science—did ancient builders use sound to lift the impossible? From Giza to Nan Madol, the clues point to acoustic levitation as more than just myth.

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 ...