I don't think science has much to do with the explanation for the Biblical flood. There is a limit to how much moisture in the form of water vapor that the atmosphere can hold. And the effects of enough water vapor in the atmosphere to cover the earth to a depth of a few feet would also raise the global temperature enough to kill all life on earth.
You said — I don’t think science has much to do with the explanation for the Biblical flood.
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Well, on the contrary to your statement, there are those who are scientists who think differently about that, than you do.
It’s also obvious that those scientists who do are in a position where their positions and jobs are threatened (and you can find those who are fired for even merely “mentioning” a “consideration” of some of these things...).
Thus there appears to be an “institutional science jihad” against those scientist who voice their own scientific considerations of the matter, which is completely against the scientific methodology. It’s more akin to the Inquisition... So-called “science” (i.e., the “institutionalized” kind...) has come full circle and is engaging in its own “religious jihad” against the scientific methodology by “expelling” those scientists whom they don’t want to hear from... :-)
I would take you to one documentary on that issue...
Expelled: No Intelligence Allowed
http://www.amazon.com/dp/B001BYLFFS
Ben Stein’s website
http://www.expelledthemovie.com/