Add Yahoo as a preferred source to see more of our stories on Google. In a nutshell, Whistle is about a group of high school kids terrorized by an Aztec death whistle. Originally thought to “summon ...

Its fear-splitting screech reverberates throughout space and time. Swiss and Norwegian neuroscientists have discovered that the ancient Aztec death whistle — often credited with emitting the scariest ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Aztec death whistle is a mesoamerican instrument designed to imitate a human ...