Monday, November 7, 2011

Why fingernails-on-a-chalkboard is so horrible

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Why fingernails-on-a-chalkboard is so horrible
Screeeeeeeech. Even imagining the sound of a person's fingernails scraping down a chalkboard is tortuous. Now, new research helps suggest why the noise is such a special kind of awful: psychology and the very shape of your ear.

Source: MSNBC
Posted on: Monday, Nov 07, 2011, 7:49am
Views: 28

Source: http://www.labspaces.net/114987/Why_fingernails_on_a_chalkboard_is_so_horrible

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