@mashable @LiveScience Mystery of popping knuckles has been cracked http://on.mash.to/1Hd1WuT
Observed
The "nitrogen" gas theory is BS, IMO
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable@LiveScience AHEM... knuckle fartsThanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable finallyThanks. Twitter will use this to make your timeline better. UndoUndo
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“
@mashable: The mystery of popping knuckles has been cracked http://on.mash.to/1Hd1WuT via@LiveScience”@ahadzoThanks. Twitter will use this to make your timeline better. UndoUndo
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@yaboycurtis_ RT“
@mashable: The mystery of popping knuckles has been cracked http://on.mash.to/1Hd1WuT via@LiveScience”Thanks. Twitter will use this to make your timeline better. UndoUndo
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@mashable@LiveScience... still not going to stopThanks. Twitter will use this to make your timeline better. UndoUndo
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