and effect, weight, small changes only rarely having big effects,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
You know, I'm really unsure about that one. Evidence is that the vast
majority of natural phenomena are non-linear in interesting
ways. (Witness the whole 'small sperm interfaces with small egg' thing
for instance). If you were feeling positive you could probably call
this 'high leverage', or maybe just plain chaotic. An awful lot of
human design appears to be attempting to overcome sensitive dependence
on initial conditions to provide us with something a little more