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 ...

Some of the world's biggest streamers may have turned away the surprise blockbuster of the summer, Sound of Freedom, some years ago, but one social media user with more than a million followers has ...

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The children working on Sound of Freedom, a movie about the global sex trafficking industry, were protected from what they were filming, its director has said. Sound of Freedom has become the surprise ...

The numbers are in for July's summer blockbuster movies, and the "Sound of Freedom" is a surprise hit, accumulating about $150 million since its July 4 opening. The thriller is loosely based on the ...

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 ...