Animation of a man who methodically cracked his knuckles for 60 years Marc Abrahams 10 years ago A Chinese animation of 2009 Ig Nobel Medicine Prize winner Dr. Donald Unger, who methodically cracked the knuckles on one hand for 60 years: Share this: Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Mastodon (Opens in new window) Mastodon Share on Bluesky (Opens in new window) Bluesky
