tHiS iS a CuRsEd ArTiCle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There you are idly using your computer when, suddenly, you begin to ...

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 ...