Here's why that screeching sound while rubbing chalkboard with paper makes you shiver! | TheHealthSite.com
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It's anatomy's fault! Why fingernails on chalkboards irritate - ScienceBlog.com
Research duo uncovers clues about why 'fingernails across a chalkboard' is so horrible
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Why does the sound of nails scratching a chalkboard make me cringe? - BBC Science Focus Magazine
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Nails On Chalkboard | Annoying Sounds with Peter Baeten - YouTube
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The feeling you get when nails scratch a blackboard has a name | New Scientist
Why You Hate the Sound of Fingernails on a Chalkboard | KEF Canada
Cover Your Ears! | Science | AAAS
That Nails-on-a-Chalkboard Feeling May Be Its Own Emotion -- Science of Us
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Fingernails Scrape Blackboard Sound Effect - YouTube
Screech! Sounds which are worse than nails on a chalkboard
Thinking with chalk - Austin Kleon
Scientists identify why nails scraping down a blackboard is such an unpleasant sound | Funny feeling, Funny feelings, Funny quotes
Why Computers Can't Beat the Chalkboard - The Atlantic
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ds31 - Nails on a Chalk Board | "We live in a world of nois… | Flickr
