
The Silurian Hypothesis
Stuff They Don't Want You To Know
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Is There a World Without Uranium?
Ben Bolin: God made uranium. We just spun it until it became the dangerous, the really dangerous kind. If something intelligent evolved in a very different place, then it may feel that everything was just so in Goldilocks own for it. It's quite conceivable that somewhere now, or once upon a time, there is a silicon-based civilization. Has life been at this stage before? And would we know if it had?
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