Find out how the cracking of knuckles works for the same reason deep sea divers have to take breaks as they ascend, soda fizzes, and water boils instantly in a vacuum. We already know, thanks to a ...

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

In April, a group of scientists made a cracker of a claim: They finally figured out why knuckles crack. But any scientific finding requires confirmation, and now other researchers are on the case. A ...

Researchers have used MRI to see what happens when a knuckle cracks. Photo: Supplied Researchers have used MRI to see what happens when a knuckle cracks. Photo: Supplied Researchers have used MRI to ...

The reason why knuckles pop or crack when stretched is largely a mystery, but a recent study claims it's because of popping fluid bubbles. When these bubbles collapse or even partially collapse in a ...

Maybe you've cracked your knuckles before or you do it all the time. Perhaps you know someone else who does it habitually. Have you ever wondered what exactly is happening to make that sound? While it ...

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 ...