Using Simulations Researchers Finally Figure Out Why Cracking Knuckles Make That Popping Sound Scientists have figured out why knuckles make a popping sound when they're cracked. French researchers used a combination of lab experiments and simulations to figure out what makes the sound. by Jean-Pierre Chigne
Healthy Living/Wellness Ultrasound Reveals Why Knuckle Cracking Feels So Satisfying by Katherine Derla