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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Why is cracking your knuckles so noisy? It’s ...

The sweet release of cracking knuckles has always baffled scientists. Over the years, scientists trying to explain the cracking sound have pointed to “bubbles” created by rapid pressure changes in the ...

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 ...

It’s one of the most annoying habits, but it's also pretty mysterious. What actually causes the sound of cracking knuckles? Researchers long believed the sound was caused by the collapse of bubbles ...

Since 1939, there have been a couple of theories on what actually makes the distinct popping sound that comes with knuckle-cracking, from tightening fibrous capsules to vibrations in the tissue. A new ...

If you love making your knuckles and other joints pop, you might’ve heard that doing so is “bad for you” and that “you’ll get arthritis.” Short answer: we’re not sure. Long answer: this video from Vox ...

There aren’t any awards to be won for solving science’s minor mysteries—why yawning is contagious, why puppies make us melt—but that doesn’t mean we don’t want the answers anyway. Add to those ...

A graduate student in France is the latest to investigate why cracking knuckles make that noise. His answer involved a series of math equations. Good morning. I'm Noel King with the answer to a ...