The brain has evolved to interpret these irregular sounds as potential danger, triggering that instinctive “fight or flight” response. It’s the reason the screeching violins in the movie “Psycho” or ...

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 ...

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Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hulu’s new sci-fi horror movie, No One Will Save You, has just two ...