Ever wonder what’s actually happening when you crack your knuckles? This video breaks down the science behind the pop, clears ...

Does cracking your knuckles make them bigger or cause arthritis? Rheumatologist Dr. Natalie Azar reveals the risks and benefits of this common behavior.

The problem with great movies is that you can only watch them for the first time once. The electric thrill of seeing Pulp Fiction for the first time can never quite be recaptured, for example. The ...