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A high-pitched device used to disperse teenagers is being challenged by campaigners, who say it is not a fair way to treat young people. ... Their sound causes discomfort to young ears - but their frequency is above the normal hearing range of people over 25. ... What type of society uses a low-level sonic weapon on its children?

2008-02-12

 fascism physics sound UK ear weapon
Sensations on the skin play a part in how people hear speech, say Canadian researchers.

2009-11-26

 human ear skin touch hearing toread
A micro-ear could soon help scientists eavesdrop on tiny events just like microscopes make them visible.

2010-02-26

 hearing ear biology sound eavesdropping microorganism cell
Music has a tendency to get stuck in our heads. You know the experience - a tune intrudes on your thoughts and plays, and replays, in a never-ending loop.

2012-03-06

 earworm song tune music sound ear memory virus nuisance