Seriously. I’ve thought about this question before. So for your benefit I found an interesting article from MSNBC.com about the evolution of human laughter. Though it’s from 1999, it has some good points. You can find the article here, just click the link below:
http://www.msnbc.msn.com/id/3077386/ns/technology_and_science-science/
Wishing you many laughs!
Ryan
