this delta t is interesting. if you have small delta t, small changes in temperature, it turns out--i heard this some years ago. if you have a frog a frog cannot discern small changes in temperature. if you put a frog in a pan of water, and then put that water on a hot plate. turn the hot plate on. and heat the water up very, very slowly. the frog will not discern the small temperature changes. and the og, i heard, will just sit there and boil alive. i heard at, being the science type, i had to try it. [laughter] so it's in ecology, went up to the biology lab, third floor, i picked out a frog, "hi, harry." and i put that frog in a little pan, okay? so ain't that frog and so-- up there anyway. that frog was gonna get right up in the head, anyway, okay? i put the--and i made a deal with the frog. "froggy, if you survive this, i'll put you outside "with the seagulls. i mean, i'll put you outside for freedom, all right?" and i put the frog in there, and i put him in the hot plate and i watch, i watch, i watch and sud