Why Do Cracking Knuckles Make That Sound? You Might Need a Calculator by VERONIQUE GREENWOOD

Researchers developed a mathematical model to test competing theories for what causes the popping sound that will either irritate you or signal relief.

Published: March 29, 2018 at 02:00AM

from #NYT Science Read the full article here: httpsss://ift.tt/2E5rsUY