Sorry about the commercial at the beginning. There's a skip button.
Again, imagine you had a very strong suction device. Could you produce something like this in smaller scale? Why would it be narrower at the bottom than the top? n Nicholas S. Thompson Emeritus Professor of Psychology and Biology Clark University http://home.earthlink.net/~nickthompson/naturaldesigns/ http://www.cusf.org <http://www.cusf.org/>
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