Re: Stephen Jay Gould and Progress
Robin Hanson (hanson@hss.caltech.edu)
Wed, 8 Jan 1997 14:58:41 -0800 (PST)
CurtAdams@aol.com writes:
>I'm not sure about there being no "complexification drive". Brain sizes have
>increased markedly over time, and land animals with the intelligence of most
>dinosaurs probably wouldn't be viable today. Certainly there aren't any.
Maximum brain size has been increasing, just as maximum body size has
been increasing. But I don't think there is any more evidence for a
local tendency in brains than there is in bodies.
Robin D. Hanson hanson@hss.caltech.edu http://hss.caltech.edu/~hanson/