In other words, the terrifying ambiguity of the death whistle apparently ignites the imagination as the brain struggles to ...

Participants in an experiment rated the sounds of the skull-shaped whistles as extremely negative, defining them as ...

has managed to approximate the sound of a bird call, jackhammer, pedestrian crossing, and a sports whistle. It's all quite magical in a "squint and you'll see it" kind of way. YouTube channel ...