Stuff to Blow Your Mind: Nails on a Chalkboard - Science on the Web

HowStuffWorks_SciencePublished: June 15, 2018Updated: June 18, 2018
Published: June 15, 2018Updated: June 18, 2018

Screeeeeech! Find out why nails on a chalkboard make our spines tingle and our hair stand on end.

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