During ritual ceremonies, the ancient Aztec civilization used a “death whistle” — a haunting instrument shaped like a human skull. Its eerie, high-pitched scream is not just a product of its unique ...
Over 70 years ago, Roald Dahl proposed that plants could scream in a fictional story called The Sound Machine. He suggested they could shriek — a high-pitched shriek undetectable to the human ear.
A WITNESS at the inquest of Belfast schoolboy Noah Donohoe said she heard a single "high-pitched scream" outside her home in the early hours of the morning after Noah's disappearance.
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