wrt. self-escalating feedback cycle i liked this experiment http://www.usatoday.com/tech/science/2008-06-03-birds-testosterone_N.htm http://www.usatoday.com/te

wrt. self-escalating feedback cycle i liked this experiment http://www.usatoday.com/tech/science/2008-06-03-birds-testosterone_N.htm http://www.usatoday.com/tech/science/2008-06-03-birds-testos...