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 ...

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 ...

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 ...

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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It’s an age-old tale: A knuckle-cracking lover and hater enter a ...

Forbes contributors publish independent expert analyses and insights. Paul Hsieh, M.D., covers healthcare economics, innovation, and policy. As a radiologist specializing in orthopedic and joint ...

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 ...