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Great comment.  Dinosaurs were probably one of the most self-sustaining specious of all earth-time, and it took an extraordinary external event to finish them off.  Humans are different, however, in that we have acquired the means to kill off ourselves and much of the bio-sphere of out own volition, and relatively quickly.  This places an extraordinary responsibility on us not to do what we can do.  Dinosaurs probably didn't practice much self restraint, the earths ecology was strong enough to contain them for hundreds of millions of years. We have breached the boundaries of the Earths ecology and so we have to learn to practice self-restraint - and so far we haven't been able to practice it enough.

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by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Wed Jan 2nd, 2008 at 05:45:27 PM EST
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Dinausors weren't self-sustaining, it was a evolving taxon that lasted a very long time, but individual species weren't necessarily longer lived that most mammalian species. And when they finally disappeared - well, depending on what you call dinosaurs, birds are all dinosaurs - they were already on the decline. And it probably wasn't an external event as much as one of the regularly scheduled, biosphere cleaning massive volcanic activity, which apparently are also linked to many other mass extinction events - the main exception being the human-caused one happening right now.

(and since it might interest Bruce, it seems only question marks on a comment subject aren't accepted...)

Un roi sans divertissement est un homme plein de misères

by linca (antonin POINT lucas AROBASE gmail.com) on Wed Jan 2nd, 2008 at 06:07:54 PM EST
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