Another Ig Nobel went to Donald Unger, who for more than 60 years cracked the knuckles of his left hand twice a day, but not those of his right, to see if knuck

Another Ig Nobel went to Donald Unger, who for more than 60 years cracked the knuckles of his left hand twice a day, but not those of his right, to see if knuckle-cracking causes arthritis (it doesn't, in his case). That is wonderful, he is a new hero of mine.