In some households, cracking your knuckles is a declaration of war. Whether you’re in the camp that can’t stand the sound or the one that can’t see what the fuss is about, you might be surprised to ...

When someone stretches or bends their knuckle to crack it, they increase the space between the bones, which creates a drop in ...

Knuckle cracking is very common. Many people do it everyday instinctively, but never figure out why or what causes the popping sound. There have been debates about what the sound of knuckle cracking ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

When you pull my finger — what causes the sound? A new study shows for the first time a knuckle cracking on MRI video. The real-time images challenge the long-standing belief that the cracking sound ...

Good morning. I'm Noel King with the answer to a mystery that has puzzled scientists and kids for years. When we crack our knuckles, why do they make that popping sound? A grad student in France, ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. This post has been updated. It was originally published on October ...

Good news: Scientists think they know what makes knuckles crack. How did we not know that already? It turns out the subject has actually been a topic of debate for more than half a century. In a study ...

If you’ve ever popped or cracked your joints — by accident or on purpose — you’re not alone. There’s even a medical name for that crackling, clicking or popping sound your bones make: crepitus.