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 an oddly divisive habit; it might make you cringe or it might bring you satisfaction. But what happens to your body when you do it?

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 ...

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 ...

Some people habitually crack their joints, others can’t, and many are irritated by those who do. So what’s going on? Why do people do it, is it harmful, what makes the noises, and what would happen if ...

Cracking your knuckles might feel satisfying, but it often earns disapproving looks or even dire warnings. For decades, people have believed that this seemingly harmless habit could lead to arthritis ...