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, ...

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 ...

Nearly all of us have experienced our joints ‘pop’ at some point in our lives. Whether it was from cracking our knuckles, getting adjusted by a chiropractor, or the inadvertent sound that sometimes ...

I have no idea why popping knuckles makes this noise, but it was established it does no harm back in 1998, an achievement for which Donald Unger won the Ig Nobel medicine prize in 2009. Every day for ...

The popping sound habitual knuckle crackers make may be annoying — or even alarming — but are they actually harming themselves? The research is somewhat limited but generally concludes that ...

In a study published Wednesday by the scientific journal PLOS ONE, the researchers used MRI video to determine what triggers the joints in the finger to cause the distinct sound. They observed that ...

It has puzzled scientists for over 100 years but now they appear to have cracked it: what, exactly, is it that causes that wince-inducing sound when you pop your knuckles? Love it or loathe it, ...

It’s a habit that often elicits a cringe from bystanders, but according to a Florida-based doctor, that satisfying 'pop' is far less destructive than many believe. Dr David Abbasi, an orthopedic ...