Also, here's some related research: http://www.findarticles.com/cf_0/m0675/5_19/78255884/print.jhtml ----------------------------------------------------------------- To unsubscribe from the list send an email to [log in to unmask] with the words SIGNOFF EVOLUTIONARY-FITNESS in the _body_ of the email. To get a copy of the old archives or the FAQ, look in the EvFit folder at http://briefcase.yahoo.com/dryeraser