Do you crack your knuckles? For decades, warnings about possible harm have caused concern about the habit — here is what the ...

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

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 ...

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 ...

Cracking your knuckles is something many people do out of stress, boredom, or just habit. Yet for years, it has been surrounded by fear and misinformation. Some believe it weakens the joints, while ...

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.

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 ...

How often have we been told not to crack our knuckles? The belief that cracking knuckles leads to arthritis is deeply embedded in popular culture. This notion has been perpetuated through generations, ...