Whether it’s one or all of your knuckles, you may wonder what causes the cracking sound. Although interesting, “cracking joints” and “popping knuckles” are not fully understood. In fact, cracking ...

Hearing “snap, crackle, pop!” with no visible sign of the Rice Krispie trio can only mean one thing: snapping joints—likely knuckle cracking, to be more specific. Whether or not the sensation happens ...

The study, Vineeth Chandran Suja confesses, was born in a moment of frustration. As a graduate student at École Polytechnique, he had to design a research project for a class on biomechanics. He was ...