BrainStuff
BrainStuff
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BrainStuff Classics: Why Can It Be Painful To Bite Aluminum Foil?
3 minutes Posted Apr 18, 2020 at 2:00 am.
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If you've ever gotten a painful shock from biting down on a piece of aluminum foil, it's becauce dental metal in your mouth formed a type of battery with the foil. Learn how it works in this classic episode of BrainStuff.

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