Calling out God

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Nevermind, I just scoured a dozen sites about the bacteria study. It seems as NASA hyped it in an attempt to make itself relevant again. The bacteria was filtering Arsenic, but still utilizing Phosphorous for it's chemical reactions. The bacterium that replaced P w/ As ended up dying like any other biologically "alive" life form.

Essentially, NASA was trying to justify more exploratory vehicles to other regions of space.

The final, definitive experiments have been published, showing that GFAJ-1 is an arsenate-resistant, phosphate-dependent organism, and that it does not incorporate arsenic into its DNA
 
Welcome to the Drake equation
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R* = 1/year (1 stars formed per year, on the average over the life of the galaxy; this was regarded as conservative)

fp = 0.2-0.5 (one fifth to one half of all stars formed will have planets)

ne = 1-5 (stars with planets will have between 1 and 5 planets capable of developing life)

fl = 1 (100% of these planets will develop life)

fi = 1 (100% of which will develop intelligent life)

fc = 0.1-0.2 (10-20% of which will be able to communicate)

L = 1000-100,000,000 years (which will last somewhere between 1000 and 100,000,000 years)

Drake states that given the uncertainties, the original meeting concluded that N ≈ L, and there were probably between 1000 and 100,000,000 civilizations in the galaxy.

made me think of this


 
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T.I.K.

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