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 ...

Human bodies have joints that contain a lubricant fluid which could make a cracking noise when you bend knee, rotate shoulder or crack fingers. However, if the noise is persistent you should visit a ...

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 ...

One of the biggest guilty pleasures of life is in cracking your neck and fingers. It’s a pleasure because nothing can be as satisfying as hearing the crackling sound of your stiff fingers and neck but ...

SACRAMENTO, Calif. – Snap, crackle, pop. If you’re a knuckle cracker, that familiar sound when you consciously pop your joints is like comfort food. You know it might not be so healthy for your hands ...

The wince-inducing sound of knuckles cracking is caused by a small bubble building up in the fluid of the fingers then ‘popping ‘, scientists believe, and it could even be beneficial to health. For ...

A mathematical model proves the older theory that knuckle-cracking is due to the popping of bubbles or gas pockets present in the synovial fluid in joints A complete collapse of the bubbles is not ...

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 ...