>From:    "Bostrom, Michael A" <[log in to unmask]>
>Subject: Re: Yawning Ferrets
>Yawns seem to be contagious because when one person yawns, he draws in air
>from the outside, thereby lowering the air pressure outside and causing a
>pressure differential in any person that happens to be standing too close.
 
Yawning is contagious because it is a visual cue.  Although I find your
explaination a lot more entertaining :)  I can just picture a large group
of ferrets inhaling frantically in an attempt to make their human yawn...
 
-mel
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[Posted in FML issue 2579]