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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You’re not alone if you’ve ever listened to your voice on a ...

Dec. 4, 2005 — -- Researchers at the Spokane County Regional Animal Protection Service in Washington state say sometimes a bark is just a bark -- but a long, loud panting sound has real meaning.

A round of applause, please: Scientists have finally figured out what’s behind the sound of clapping. The research pinpoints a mechanism called a Helmholtz resonator — the same acoustic concept that ...

Now, the former child stars are looking back at some of their favorite moments filming the 1965 movie Over the last 60 years, The Sound of Music has become a cherished touchstone for generations of ...