TueNov 1st
infoneer-pulse: Why Fingernails on Blackboards Sound So Horrible Much time has been spent, over the past century, on working out exactly what it is about the sound of fingernails on a blackboard that’s so unpleasant. A new study pins the blame on psychology and the design of our ear canals. » via Wired

infoneer-pulse:

Why Fingernails on Blackboards Sound So Horrible

Much time has been spent, over the past century, on working out exactly what it is about the sound of fingernails on a blackboard that’s so unpleasant. A new study pins the blame on psychology and the design of our ear canals.

» via Wired

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  4. doorwhey reblogged this from teachingliteracy and added:
    This inspired me to google “ear canal.” The images I found were disgusting and kinda awesome.
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