Home Science Biology Why do your knuckles pop?ScienceBiologyWhy do your knuckles pop?Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives the facts behind joint popping.By Watch and Study - Mar 13, 2016566 RELATED ARTICLESMORE FROM AUTHOR BiologyThe Origins of Cute BiologyWhat Is Life? Is Death Real? BiologyThe Science of Human Skin Color BiologyThe Beneficial Bacteria That Make Delicious Food BiologyHow do carbohydrates impact your health?Tell us what you think!