Re: [asa] Radioactive decay of U-238 is imminent (just wait a few billion years)

> Perhaps the moral is that it's just not too hard to be smarter than a
> geologist? :)

It's because we geologists have rocks in our heads. According to p.
113 of Michael Ruse's _Charles Darwin_ [Blackwell Great Minds
series], by the late Precambrian, "Cranial sediment chiefly oxidized".

(PS-yes, I am still working towards a review for ASA)

-- 
Dr. David Campbell
425 Scientific Collections
University of Alabama
"I think of my happy condition, surrounded by acres of clams"
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