Is Cracking Your Knuckles An Innocent Fun?

Vox

Nobody likes the sound of someone cracking his knuckles, but how can we explain it? Is that so because our organism feels what is can lead to? No one could answer this question until one man decided to crack his knuckles in one hand and not the other. The experiment lasted for 60 years. Wanna know what he's found out? Watch this video!

by Vox

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