A University of Alberta study finally settles the decades-long debate about what happens when you crack your knuckles. The study published on April 15 in PLOS ONE used MRI video to determine what ...

Knuckles crack when a bubble forms in a joint, new high-speed images reveal. The finding, reported April 15 in PLOS ONE, may settle a decades-old debate about the source of the sound. In 1947, two ...

Researchers pull fingers and make a discovery. It’s a sound that may make you cringe. Or as the perpetrator, may lead to unsatisfying relief or even hopes of feigned toughness. Either way, it comes ...

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 ...

Whether you love it or hate it, cracking knuckles is a common habit we've likely all done at some point. It's one of life's simple pleasures for some people, who crave the satisfying "pop" and ...

For the first time, an MRI video has been taken of cracking knuckles, answering once and for all what makes the audible pop. Michelle Starr is CNET's science editor, and she hopes to get you as ...

Some people like the sound of knuckle-cracking and others loathe it, but for years there has been disagreement among scientists about what actually causes it. Researchers said on Wednesday they have ...

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 ...