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Re: bauplan convergence (NOT SO SARCASTIC!)
I don't think I've maligned anybody's work, Ralph. You've been working
with pachycephalosaurs for many years now. Wouldn't you give your right
arm to actually >see< a bunch of pachys in the field and have their
actual behavior confirm/deny the conclusions you have reached? I work
with four-dimensional objects, of which I maintain a pretty decent mental
image in my mind when I think about them and discover new ones. But I
would >really< like to see one in the flesh--something that is,
unfortunately, at least as unlikely as traveling to the past (and these
are objects whose existence can be >proved< 100%). I agree that a
scientific approach to dinosaurs is the only valid way
to study their behavior, but my point is that until we can confirm these
studies empirically, we're only constructing Just So Stories. Elaborate
ones, but stories just the same, stories that can and are rewritten with the
advent of new data and new approaches.<<<<
I agree, George, that you haven't _intentionally_ maligned anyones
work, but regardless, you have (probably unintentionlly) encouraged a rather
naive view of science. If not a whole arm, I would certainly sacrifice some
toes in order to directly observe dinosaurs in their habittat. But this is
merely an emotional reaction to the viseral pleasure humans associate with
sensual experience, as opposed to rational cognition. Even if I were given
a day in the Early K (my first choice), I would be unlikely to produce any
useful information at all. Without background information, I would have no
context to evaluate my observations, and no corroberating obsrevations to
confimr tem with. Even things like coloration and/or "simple" behavior like
snoozing around noon could be particular the individual or region I was in.
And my experience would provide no information what-so-ever on the
evolutionary context of my observations.
Humans have demonstrated time and again what horrible observers we are
(which is why I routinely "loose" keys that are in my pocket). In bank
robberies, for example, there is rarely mmore than a 60% agreement over such
basic things as eye/hair color, height, age, and build. How much worse
would a lone observer or three be equipped to observe animals that our
species has no history with at all?
Don't get me wrong, if we could send trained field observers back
repeatadely, we would certainly revolutionize the way paleontology is
performed, especially the behavioral and paleoclimatological data. Heck,
especially _most_ paleo-fields. But we'll never be able to, and even if we
could clone a dinosaur, there would be a large degree of uncertainty as to
the fidelity of our clone.
These "stories" we create use the same methodology as stratigraphy,
relativity, and quantum mechanics (although one of the last two has to be at
least partially wrong, since they contridict one another. They are still
two of the most tested and useful theories in all science).
As for the reader who implied we've been reading too much Popper: Human
beings are capricious observers. Science, whether historical or
observational, is currently the only way we have of slowly weeding out our
own biases. Frankly, conversations like these border on the same vein as
creationism.
Now I have to get back to making sure Matt wastes his time... ;-)
Scott
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