The 'Aztec Death Whistle' terrified people five centuries ago. The effect seemingly is the same even now, stated the Daily Mail. This finding was confirmed by a study published in the journal ...

An ancient Aztec Death Whistle comes with one of the "most terrifying" sounds in the world, according to experts. The item was developed in Mexico when the Mayans running the land had to protect ...

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 ...