If you don't know how to whistle with your fingers, you're in good company. The famed finger whistle is an old-school skill like making the best paper airplane that seems to mystify and elude each new ...

The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in ...

Archaeologists have discovered numerous ceramic or clay whistles at Aztec sites, dubbed “death whistles” because of their distinctive skull shapes. A new paper published in the journal Communications ...

There’s still no move like the classic finger whistle to turn heads. Here’s how to master the shrill skill in seven easy steps. If you don’t know how to whistle with your fingers, you’re in good ...