Home Science Biology Why do your knuckles pop? ScienceBiology Why 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, 2016 325 RELATED ARTICLESMORE FROM AUTHOR Biology The Origins of Cute Biology What Is Life? Is Death Real? Biology The Science of Human Skin Color Biology The Beneficial Bacteria That Make Delicious Food Biology How do carbohydrates impact your health? Tell us what you think!