[ExI] ho^3 = evil?

[John Clark]

On Dec 25, 2009, spike wrote:

> While participating in the usual season's practice of exchanging gifts, I
> noticed one of the wrappings had the comment "HoHoHo" which caused me to
> ponder the phenomenon universal in and unique to humans, that of laughter.

I read somewhere that laughter might have evolved as a sort of all clear signal. Somebody issues a danger signal to the group only to discover that its a false alarm and there is nothing dangerous after all.

 John K Clark 

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