The business of silence: is there a hidden cost to noise cancelling?
Headphone and earplug sales are booming, but individual efforts to turn down the volume may alter our brains and surrounds in unexpected ways Everywhere you look, it seems, people are resorting to accessories to turn down the volume of life: over-ear headphones on public transport, long-haul flights and in open-plan offices; coloured earplugs nestled discreetly …
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