Why do we itch? Scientists are, just now, figuring it out a bit
http://www.nytimes.com/2009/04/07/health/07itch.html?partner=rss&emc=rss
Consider -- we've only understood how to block pain for, oh, 50 years or so. Figuring out itching came second.
posted at 11:35 am
on Apr. 6, 2009

