I know this is probably pointless, but Zuesha, does Terry Schiavo get the tube re-inserted or not?[/b]
Sorry, forgot the ?in that post.
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And, most importantly, When will Yellowstone blow its top?
It has not happened yet. Although I understand it has a natural cycle of ~650,000 years. However even the Earths magnetic field changes more often, I would not worry about it.