This is ‘the most terrifying sound in the world’ — hear the Aztec Death Whistle
For those who want to celebrate Halloween like it’s 1399: Scientists are sending shivers down the internet’s collective spine by recreating an ancient “Aztec Death Whistle” that’s said to emit the “most terrifying sound in the world.” The macabre kazoo is detailed in a new video produced by the Action Lab, a group of proud … Read more